{ "schema_version": 2, "profile": { "cache_mib": 8, "callback_policy": "zero", "payload_bytes": [ 16, 32, 64 ], "messages": 10000000, "repetitions": 5, "publish_count": 4294967295, "is_scan_current": false, "cache_remaining_bytes_by_payload": { "16": true, "32": false, "64": false } }, "environment": { "platform": "macOS-14.4.1-arm64-arm-64bit", "machine": "arm64", "cpu_model": "arm", "logical_cpus": 8, "cmake_flags": {}, "python": "3.12.13 (main, Mar 3 2026, 12:39:30) [Clang 16.0.0 (clang-1600.0.26.6)]", "build": { "compiler": "Clang 18.1.8 ", "optimized": true, "sanitized": false }, "executable": "/Users/lc/Documents/Codex/2026-10-08/twobufqueue/work/max-publish-investigation/optimized_project", "executable_sha256": "8cc510236606dfc49554d79ceb7273ee656578af62b7006a1f75624943672849", "profile": { "payload_bytes": [ 16, 32, 64 ], "callback_iterations": [ 0 ], "base": { "warmup_messages": 50000, "latency_batch_size": 1000, "round_storage_bytes": 6710886, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "output_block_size": 65536, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "output_frame_capacity": 1024, "output_mode": "spsc", "output_reader_mode": "wait_signal", "buffer_budget_bytes": 16777216, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "timeout_seconds": 180, "measure_callback_time": true, "producer_qos": "user_interactive", "publish_count": 4294967295, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "is_scan_current": false, "cache_remaining_bytes": false }, "search": { "strategy": "grid", "max_candidates_per_transport": 0, "passes": 2, "screen_messages": 10000000, "final_messages": 10000000, "screen_repetitions": 5, "final_repetitions": 5, "validation_messages": 10000000, "batch_reference": false }, "spaces": { "two_buf_queue": { "cache_block_bytes": [ 65536, 262144, 1048576, 2097152, 4194304 ], "publish_count": [ 4294967295 ], "output_frame_capacity": [ 1, 64, 1024 ], "reader_spin_count": [ 0, 1000, 10000 ], "rescan_interval_ns": [ 1000000, 5000000, 30000000 ], "cache_remaining_bytes": [ false, true ] }, "spsc": { "spsc_idle_spins": [ 0, 1000, 10000 ], "spsc_idle_sleep_ns": [ 0, 1000, 10000 ] } } }, "resolved_search": { "strategy": "grid", "max_candidates_per_transport": 0, "passes": 2, "screen_messages": 10000000, "final_messages": 10000000, "screen_repetitions": 5, "final_repetitions": 5, "screen_min_rounds": 0, "final_min_rounds": 0, "validation_messages": 10000000, "batch_reference": false }, "source_sha256": { "src/.DS_Store": "0691be68b575f4c3222d27f71d06be86a4b30e96cb99ef5404fefbbeff222ed2", "src/two_buf_queue.hpp": "ebb164d2a73829ee5e4a79edcbabbc196aa2d84dfc27b777267f64c6082a55fe", "src/write/seq_writer.cpp": "8128732abe1e41c491630a2f65d15858d59bd4ef92dcf45c854f169855003982", "src/write/make_queue.hpp": "808415585792bbeba881b0af7beb6c60e9bf16d21b742a7f163775834ad478f7", "src/write/writer.hpp": "575669912d92091d3f54d112729c7936ae2cab4014a117a4143841b877fcd3f9", "src/write/sync_context.hpp": "42f007db1badf5a012bf3071c3c9a77577c052029bae1456b12d7d4647eb4d08", "src/write/types.hpp": "67f101a56de2286d9ea7825cd318fb2a0068db3cd66c9b2fe77d0d0032099030", "src/write/seq_writer.hpp": "8e9825e5812628c75e912a35125101872eb7eca36721b00369378f66bd1a898a", "src/write/writer.cpp": "d3349d9143deadaf3f9242ad3ea25735f9209ec662c695d782878b2a2620fc93", "src/write/writer_base.hpp": "3e75455bd24ee8f9fc16fb1382130a45754faa41ffa2bdb9bd9e2f7ec30f8c67", "src/utils/block_diagnostics.hpp": "d81e6b16dba8ac62c240c52ed3b25bf75e5d7edb6be8573be7ef3be7ba5b2589", "src/utils/spsc_queue.hpp": "1cdea11ca6d9168e72aa964fb9f6d9f189d26c150e8ee9a4c2eb541cafe294c8", "src/utils/plain_value.hpp": "fdfc7afe7072c7c452631da0f44dc22657fcc0cbde57a5a8c8f4ff43fb5058cd", "src/utils/spsc_pointer_queue.hpp": "60eb5de77c466a4185e5ed584d993500ba593ee6adb3c7ff754b9e77e932b861", "src/utils/auto_reset_event.cpp": "8d37d360311652a12e3dc5372f5bacc3a0763f27b06270b4a9dd32cc200b6f2d", "src/utils/no_lock.hpp": "c2c5eff008255c2a39d86b95a7af7023252c31d4da23b948d78fb9f213350b35", "src/utils/brqHelp.hpp": "f3b960d533e6bb6d82b79d0e2a90ed3843e1675cfd81a999cc3909ef3432ba94", "src/utils/fast_time.cpp": "5044a749238be97fa2324f9eecc420a53082abdf2607e62783c96060aafddf46", "src/utils/auto_reset_event.hpp": "10ac49eca50d3850cae94420799fc0f6b342822e4e3fef46b1dd16d19b472979", "src/utils/brqHelp.cpp": "041b72c92ac6606727da275dd4b123039e1a0e1d99be2674bafc8ff657cb2c9f", "src/utils/fast_time.hpp": "bc75837066e7e11aed57a2365facad48d3c9dcecea76fe869b62e50711136f90", "src/utils/spin_lock.hpp": "7a0574871f73a84b17dd47f15a2c0c1a447009913695d434d64fd0048d2985d4", "src/utils/wait.hpp": "e855d6e0a86375332ba55b43e11a10257ab647a8f07971530a5aa5ed479074a1", "src/data/spsc_basic_block.hpp": "4f2168a97b40357b23ba9cb1c16a50241e0ecfb0f82be2ccdabf3a428bd3012d", "src/data/data_frame.hpp": "fecb242429f3044c14950ed0f12a22f35de74af73bdd4f839084ac3e5f3c5965", "src/data/spsc_read_block.hpp": "c8def8e59324f5980d84e4aa072bc45cfa152b25ce733a4f30e08c5fe4985f65", "src/data/spsc_write_block.hpp": "2e6139340c502a36f3ffe15ee59fc8bd1203a663d253e53cf96794440fed0e43", "src/data/Untitled": "443d72e4d7be88cb9bcb6e7c3f95b466e89f58ad36dad14b52fbbcf44c3b69ed", "src/data/data_batch.hpp": "8673ec49ed45ff511335cd0e853a72875d649b461376613ca5618ac355378bf9", "src/base_components/block_slice/block_resource_factory.hpp": "ac3122d5267b12119b14ce9c484f6640b6afbd5c713aa3b8fea85bea1bfcfc5f", "src/base_components/block_slice/basic_block.hpp": "c1b82d3ad5860b73d2199b31d513a1ace91c67ebec384b7fc093d776940fb178", "src/base_components/block_slice/reader_block.hpp": "c87fb4ada08dc09ce1328fc05bfc3ccc9ad1254c4e2c60aee2d64f8cbdd7fb32", "src/base_components/block_slice/slice_pool.hpp": "0d68260e3d41b881faf2d57787fd1a992bdd2a34d361b02c69d59104e8e82726", "src/base_components/block_slice/block_slices_allocator.hpp": "ef196108b3bd19878a00f3f22cac2a093752a59984fabb0a49c4309c36866d5b", "src/base_components/block_slice/writer_block.hpp": "fb9d41b36f88301fcdada460fd390be8f1393173a1e94cc5b8377c923914acc9", "src/base_components/block_slice/memory_slice.hpp": "122a2d4180051bef1b1575a76340007e859aea23a4cddce55fcf8c6aaf83b5e5", "src/base_components/LiveHandoffQueue/spsc_live_handoff_queue.hpp": "04322881bf4b2a0176bc6c3ef1889f8e23d4f6ab7eaa44c4053fdfe3b3ed549f", "src/base_components/HandoffQueue/claim_queue.hpp": "e3dd6e79d3aca4cae96f619104d44763b6ae7f87a5636088731cf1805baea3ea", "src/base_components/HandoffQueue/pooled_resource_queue.hpp": "ce12e04b0e5d7870499962e43a377c3dd33385da97bfd460b97a24bbcee2858c", "src/base_components/HandoffQueue/handoff_reader.hpp": "d1191417435a515003bfe029d52ee9e643888ae1bc8d610b9abfa075e509dee5", "src/base_components/HandoffQueue/queue_ticket.hpp": "3716dbd2c38a0c6cf743be62bda01d334fbfb7a7517f003fb09a82c1d16da6ee", "src/base_components/HandoffQueue/ready_index_queue.hpp": "2db96b7e52e6e68f708c61e90f819c69b8b17cc64faab1c82b80bafc8ec0c20b", "src/base_components/HandoffQueue/handoff_queue.hpp": "451fac983f6fb8af9feadbdcaf9e93519bfbdb831b37ae0263181b82a9912747", "src/base_components/HandoffQueue/handoff_types.hpp": "a877583d4dffc236c5d45d97427faa36c83fd7b51d133042e9ba3690cb57cd5f", "src/base_components/HandoffQueue/lock_free_index_queue.hpp": "62b497f6f5d70553a6fdf2b7ea0c9ca645cb4e119c9407a7b1b30ea9e9ca338d", "src/base_components/WarmPool/warm_pool.hpp": "ed8838ee5aeb9fba03efa54ef9b37b45616bf6e790de57344a28821b017b8c8f", "src/base_components/WarmPool/intrusive_stack.hpp": "912dae641f26b79fecb3f0926aac0e8255c0c67ff0addd4c56d73388faf98bea", "src/base_components/WarmPool/intrusive_queue.hpp": "0b87a1615c000ea6aab805a6ec4443240adeb13d34f218b6d7ba0ecb6aea11ec", "src/base_components/WarmPool/resource.hpp": "3c3912d264a7e3718571ae6c8d8474437630370cd6fee14a4cdd2ff822882d2f", "src/read/layer2/to_read_block.hpp": "5afac965742b68f299a703b881f8c53dc2b14170ed2d0b81c01fd0ac2215d7d1", "src/read/layer2/read_callbacks.hpp": "e90b6705ffdeaecab6f85d5452b5ab61a4799ceabd931def2d7fece221b64121", "src/read/layer2/read_block_factory.hpp": "2c7f0a30323b032017ebc5e81bd8cc0efdd2ce3f6fc0e8c2d51174d0771521d2", "src/read/layer2/read_block.hpp": "ba24129aa20c9d2643d9b4a8068287395bb51d870289115644d023a343b70402", "src/read/read_layer1/read_service.hpp": "4bdfa159a804f4c7e77b1e375c9582e76f306c11758cbbd37248e9b5767c8736", "src/read/read_layer1/read_worker.hpp": "4e8a9692b6cd854dec06de332599b4b23ac24651a642cf7b70452694b6fb9608", "src/read/read_layer1/read_writer_data_callback.hpp": "537b0c93fcd1c4a3c4bb5e09170f7e0122705faa4652906f096e7bc4395310d3", "src/read/read_layer1/types.hpp": "d9f3115daf84f53b9d530ce14d94ed949f51dd105dacce8ef098c3f08461a278", "src/read/read_layer1/read_item.hpp": "f62cb6548bee70fd09b67d3a829ede5ce6b8bc178ad4d0c25149bfabae53ff0f", "src/read/read_layer1/muti_writer/read_service.hpp": "92c9e9d45617c629565aa0933f1edabfe3112257cd501edf8df83321ed9127e7", "src/read/read_layer1/muti_writer/read_worker.hpp": "d760a8db4dd3db051c363f4cfbff426ec97c40a031c31938de25e4c3c187ab3a", "src/read/read_layer1/single_writer/read_service.hpp": "55a9fa356b339b9151d3ec5b0e8836c4d75bb6477f1b4e26aa19f4f759b5be85", "src/read/read_layer1/single_writer/read_worker.hpp": "ebd883583ba6f0e8f92c13200b852023f497ab7e8cbb277539d07ab79545c198", "include/TwoBufQueue.hpp": "990e5cb0946b060c286839a431bb0252f067268425add0b258cc8511e6fcb8d4", "benchmarks/tunable/timing.hpp": "ca262b9ef51df9b412f0e35c1f12008b546400393decb6ed3c7734ff55e4b178", "benchmarks/tunable/performance_test.hpp": "f2b5daa73f6548737ec821853aa6241aa4a38e6d8156bf66ddab58e1eeb7822f", "benchmarks/tunable/adapters.hpp": "7545f8b5e12569f00da87eb7a425d3e2de959ac6049a63427e5c1ffd9448abd6", "benchmarks/tunable/config.hpp": "237f182cbe9753ed5e511b0dfe35f651a209f4b209788633b340f7dde24f3c31", "benchmarks/tunable/publication_plan.hpp": "fe903e7025358c90322c5f890e6c9ebd32cc39d4720806f66e29b18eb39435c6", "benchmarks/tunable/parameters.hpp": "d0e51c5d9ba9f84c05844cea5e3b48d6076b22c1245eeade2003b42d0c50139a", "benchmarks/tunable/main.cpp": "6219a13d7963d053bc833ce5a94656662308ab2bfe22be2c0e78d646668c6f7c", "CMakeLists.txt": "84bfdd94bcdfc6caa75324ed3770bd86af440bdd59a131f88f7786db67e379a5", "benchmarks/tune_spsc.py": "5e656b5e884c21983653186c852a2c42cf09a6cb342d85883d4b0bea3157e6e1", "benchmarks/spsc_dependencies.json": "b7415ecfa5efcc4c06ca060b9ffaaa19cbac2d851151d5aa02d712dfb6d61012", "/Users/lc/Documents/Codex/2026-10-08/twobufqueue/work/max-publish-investigation/grid-all-20261010-161915/joint/profile.json": "35b09f7742549d8ecdee74c45b08a1be3c785d6a398ed4e3fa5338396d80dafb" }, "dependencies": { "rigtorp": { "repository": "rigtorp/SPSCQueue", "commit": "1053918dbd251fbff69b24ef27fa5d51c29ec2af", "files": [ { "path": "include/rigtorp/SPSCQueue.h", "url": "https://raw.githubusercontent.com/rigtorp/SPSCQueue/1053918dbd251fbff69b24ef27fa5d51c29ec2af/include/rigtorp/SPSCQueue.h", "sha256": "1e631ec9e8ba4955da5cac116620815055f7da0ea936bfdb3036c4e87bc8a6e8" }, { "path": "LICENSE", "url": "https://raw.githubusercontent.com/rigtorp/SPSCQueue/1053918dbd251fbff69b24ef27fa5d51c29ec2af/LICENSE", "sha256": "d0887259b1e1791964efe737886d5742bf025991b3f4db6b05eefbdbaa4d7224" } ] }, "atomic_queue": { "repository": "max0x7ba/atomic_queue", "commit": "74fb62f86e6c3b0db824932a5c5e4bfb0125e2cc", "files": [ { "path": "include/atomic_queue/atomic_queue.h", "url": "https://raw.githubusercontent.com/max0x7ba/atomic_queue/74fb62f86e6c3b0db824932a5c5e4bfb0125e2cc/include/atomic_queue/atomic_queue.h", "sha256": "76188465b20c706b37e1c80948b0d0c0a08e9e5144eb536c32e33bd035db0161" }, { "path": "include/atomic_queue/defs.h", "url": "https://raw.githubusercontent.com/max0x7ba/atomic_queue/74fb62f86e6c3b0db824932a5c5e4bfb0125e2cc/include/atomic_queue/defs.h", "sha256": "df0085237bfd1b5effeeae14a94b28512948d2f647142c9fc6923aa8aabfd746" }, { "path": "LICENSE", "url": "https://raw.githubusercontent.com/max0x7ba/atomic_queue/74fb62f86e6c3b0db824932a5c5e4bfb0125e2cc/LICENSE", "sha256": "22e4fce4f072000d810546875f26ad1e8b23fcb942fe0a00c85602eb3626c1bb" } ] }, "readerwriterqueue": { "repository": "cameron314/readerwriterqueue", "commit": "8e7627d18c2108aca178888d88514179899a044f", "version": "v1.0.6", "files": [ { "path": "readerwriterqueue.h", "url": "https://raw.githubusercontent.com/cameron314/readerwriterqueue/8e7627d18c2108aca178888d88514179899a044f/readerwriterqueue.h", "sha256": "c7abdbe90059b8b8c649d5752694bc41cfc0a8510e655513b7b8a01fce5741d6" }, { "path": "atomicops.h", "url": "https://raw.githubusercontent.com/cameron314/readerwriterqueue/8e7627d18c2108aca178888d88514179899a044f/atomicops.h", "sha256": "e0aa232fd22d2e061830e33ff9ae53106eab08d2afda49e0e51d22f9d514804e" }, { "path": "LICENSE.md", "url": "https://raw.githubusercontent.com/cameron314/readerwriterqueue/8e7627d18c2108aca178888d88514179899a044f/LICENSE.md", "sha256": "018fb474bdf10bc068f5e3f2c61e18df8326d60b46db3eb017b4411eda189afc" } ] } }, "note": "Record power policy, CPU model and background load when publishing results; no affinity claimed unless successful.", "timestamp": "2026-10-10T17:07:15.199939+08:00", "binary_sha256": "8cc510236606dfc49554d79ceb7273ee656578af62b7006a1f75624943672849", "timestamp_scope": "report generation; measurements are preserved from the search directory" }, "groups": [ { "payload_bytes": 16, "transport": "two_buf_queue", "callback_iterations": 0, "throughput_mps": 947.957592445, "payload_gb_per_second": 15.16732147912, "throughput_runs_mps": [ 960.764768756, 947.175366772, 940.364880381, 956.076415364, 935.406530952 ], "latency_runs": [ { "p50": 0.791666666667, "p99": 1.70833333333, "p999": 2.83333333333 }, { "p50": 0.791666666667, "p99": 1.70833333333, "p999": 3.45833333333 }, { "p50": 0.791666666667, "p99": 1.625, "p999": 2.25 }, { "p50": 0.791666666667, "p99": 1.625, "p999": 2.375 }, { "p50": 0.791666666667, "p99": 1.58333333333, "p999": 3.20833333333 } ], "internal_backpressure": { "scope": "after_warmup_through_formal_drain_and_stop", "writer_pressure_events": 0.0, "writer_rejected_attempts": 0.0, "writer_blocked_events": 0.0, "writer_blocked_ticks": 0.0, "writer_blocked_counter_kind": "steady_clock_ticks", "copy_memory_full_events": 0.0, "copy_backpressured_frames": 0.0 }, "parameters": { "transport": "two_buf_queue", "mode": "throughput", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 64, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 0, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": true, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "two_buf_queue", "mode": "throughput", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 64, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 0, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": true, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 64, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 0, "rescan_interval_ns": 1000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": true, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 1048576, "source_pool_min": 8, "source_pool_max": 8, "source_queue_capacity": 32, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 1048576, "output_frame_capacity": 1, "output_pool_min": 8, "output_pool_max": 8, "output_queue_capacity": 32, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": true, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 262144, "source_pool_min": 32, "source_pool_max": 32, "source_queue_capacity": 128, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 262144, "output_frame_capacity": 1024, "output_pool_min": 32, "output_pool_max": 32, "output_queue_capacity": 128, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 1000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": true, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "909ebd5b1a85", "p50": "b44a51f40c1f", "p99": "a59c241720df", "p999": "5bd6240e418f" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 0.791666666667, "p99_ns": 1.6499999999979997, "p999_ns": 2.824999999998, "callback_to_producer_ratio": 3.244545988656, "producer_seconds": 0.0105500412, "callback_processing_seconds": 0.03422704880000001, "wall_seconds": 0.053037833199999995, "drain_seconds": 0.0340602078, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.7333668781699998, "input_preparation_seconds": 0.009228216000000001, "actual_spsc_capacity": [ 0 ], "nominal_buffer_mib": [ 16.0 ], "completed_rounds": [ 24 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710880 ], "latency_samples": [ 9990 ], "latency_tail_writes": [ 10000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 24.234375, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 16, "transport": "readerwriterqueue", "callback_iterations": 0, "throughput_mps": 742.412238899, "payload_gb_per_second": 11.87859582238, "throughput_runs_mps": [ 747.912725167, 712.081567519, 754.230801112, 757.248305051, 740.587795646 ], "latency_runs": [ { "p50": 1.29166666667, "p99": 2.375, "p999": 4.66666666667 }, { "p50": 1.29166666667, "p99": 1.83333333333, "p999": 2.5 }, { "p50": 1.29166666667, "p99": 1.95833333333, "p999": 3.875 }, { "p50": 1.29166666667, "p99": 2.33333333333, "p999": 9 }, { "p50": 1.29166666667, "p99": 1.95833333333, "p999": 3.29166666667 } ], "internal_backpressure": null, "parameters": { "transport": "readerwriterqueue", "mode": "throughput", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 522753, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "readerwriterqueue", "mode": "throughput", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 522753, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 522753, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 522753, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 1000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 522753, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "449cc204b648", "p50": "449cc204b648", "p99": "d9fc5f80becb", "p999": "449cc204b648" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 1.29166666667, "p99_ns": 2.091666666664, "p999_ns": 4.666666666668, "callback_to_producer_ratio": 3.090328875402, "producer_seconds": 0.0134761832, "callback_processing_seconds": 0.0416348254, "wall_seconds": 0.0502128082, "drain_seconds": 0.0284039916, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.830044675114, "input_preparation_seconds": 0.0091137748, "actual_spsc_capacity": [ 523264 ], "nominal_buffer_mib": [ 7.984375 ], "completed_rounds": [ 24 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710880 ], "latency_samples": [ 9990 ], "latency_tail_writes": [ 10000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 16.78125, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 16, "transport": "rigtorp", "callback_iterations": 0, "throughput_mps": 362.9318624066, "payload_gb_per_second": 5.806909798504, "throughput_runs_mps": [ 360.218661373, 362.790441865, 363.057148862, 364.1842822, 364.408777733 ], "latency_runs": [ { "p50": 2.70833333333, "p99": 3.125, "p999": 5.66666666667 }, { "p50": 2.70833333333, "p99": 3.20833333333, "p999": 5.70833333333 }, { "p50": 2.70833333333, "p99": 3.125, "p999": 6.75 }, { "p50": 2.70833333333, "p99": 3.33333333333, "p999": 6.70833333333 }, { "p50": 2.70833333333, "p99": 3.16666666667, "p999": 6.75 } ], "internal_backpressure": null, "parameters": { "transport": "rigtorp", "mode": "throughput", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "rigtorp", "mode": "throughput", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 10000, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 10000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "ec5ac34cfa28", "p50": "ec5ac34cfa28", "p99": "ce23245af35f", "p999": "41204e8198dd" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 2.70833333333, "p99_ns": 3.191666666666, "p999_ns": 6.316666666666, "callback_to_producer_ratio": 1.085819106738, "producer_seconds": 0.027553849400000004, "callback_processing_seconds": 0.029918175400000004, "wall_seconds": 0.0385533586, "drain_seconds": 0.002570175, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.7875076531440002, "input_preparation_seconds": 0.0091733758, "actual_spsc_capacity": [ 524288 ], "nominal_buffer_mib": [ 8.0 ], "completed_rounds": [ 24 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710880 ], "latency_samples": [ 9990 ], "latency_tail_writes": [ 10000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 16.15625, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 16, "transport": "atomic_queue", "callback_iterations": 0, "throughput_mps": 133.7837590922, "payload_gb_per_second": 2.140540145478, "throughput_runs_mps": [ 133.554141066, 134.786558879, 133.315556148, 134.879423797, 132.383115571 ], "latency_runs": [ { "p50": 6.70833333333, "p99": 24.125, "p999": 31.375 }, { "p50": 6.625, "p99": 27.375, "p999": 39.0833333333 }, { "p50": 7.125, "p99": 26, "p999": 33.125 }, { "p50": 6.83333333333, "p99": 25.2083333333, "p999": 35.7083333333 }, { "p50": 6.91666666667, "p99": 24.4583333333, "p999": 32.0416666667 } ], "internal_backpressure": null, "parameters": { "transport": "atomic_queue", "mode": "throughput", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "atomic_queue", "mode": "throughput", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 16, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "af42936c234c", "p50": "af42936c234c", "p99": "af42936c234c", "p999": "af42936c234c" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 6.841666666666001, "p99_ns": 25.43333333332, "p999_ns": 34.26666666666, "callback_to_producer_ratio": 1.012485922976, "producer_seconds": 0.0747512006, "callback_processing_seconds": 0.0756837182, "wall_seconds": 0.0843630582, "drain_seconds": 0.0011408416, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.87653294752, "input_preparation_seconds": 0.009248441999999999, "actual_spsc_capacity": [ 524288 ], "nominal_buffer_mib": [ 8.0 ], "completed_rounds": [ 24 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710880 ], "latency_samples": [ 9990 ], "latency_tail_writes": [ 10000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 16.578125, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 32, "transport": "two_buf_queue", "callback_iterations": 0, "throughput_mps": 547.353933191, "payload_gb_per_second": 17.5153258621, "throughput_runs_mps": [ 547.886243913, 550.331200323, 547.602571301, 548.044213796, 542.905436622 ], "latency_runs": [ { "p50": 1.70833333333, "p99": 2.83333333333, "p999": 6.45833333333 }, { "p50": 1.75, "p99": 2.875, "p999": 6.45833333333 }, { "p50": 1.75, "p99": 2.66666666667, "p999": 6.45833333333 }, { "p50": 1.75, "p99": 2.625, "p999": 6.66666666667 }, { "p50": 1.75, "p99": 2.95833333333, "p999": 6 } ], "internal_backpressure": { "scope": "after_warmup_through_formal_drain_and_stop", "writer_pressure_events": 0.0, "writer_rejected_attempts": 0.0, "writer_blocked_events": 0.0, "writer_blocked_ticks": 0.0, "writer_blocked_counter_kind": "steady_clock_ticks", "copy_memory_full_events": 0.0, "copy_backpressured_frames": 0.0 }, "parameters": { "transport": "two_buf_queue", "mode": "throughput", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 1, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 0, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "two_buf_queue", "mode": "throughput", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 1, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 0, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 64, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 0, "rescan_interval_ns": 30000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 1, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 10000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 1024, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 10000, "rescan_interval_ns": 30000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "a64b1b859c98", "p50": "815cbe3b896a", "p99": "6f6d57e03a2b", "p999": "6773b471aa7d" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 1.741666666666, "p99_ns": 2.791666666666, "p999_ns": 6.408333333332, "callback_to_producer_ratio": 2.064714168318, "producer_seconds": 0.0182700752, "callback_processing_seconds": 0.0377211232, "wall_seconds": 0.0739098662, "drain_seconds": 0.0390217252, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.666494255916, "input_preparation_seconds": 0.0173954498, "actual_spsc_capacity": [ 0 ], "nominal_buffer_mib": [ 16.0 ], "completed_rounds": [ 48 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710880 ], "latency_samples": [ 9966 ], "latency_tail_writes": [ 34000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 24.296875, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 32, "transport": "readerwriterqueue", "callback_iterations": 0, "throughput_mps": 571.0418403298, "payload_gb_per_second": 18.27333889054, "throughput_runs_mps": [ 559.474425249, 570.235313304, 583.531242817, 574.103631906, 567.864588373 ], "latency_runs": [ { "p50": 1.66666666667, "p99": 3.25, "p999": 6.33333333333 }, { "p50": 1.66666666667, "p99": 3, "p999": 5.625 }, { "p50": 1.625, "p99": 2.83333333333, "p999": 6.41666666667 }, { "p50": 1.66666666667, "p99": 3.41666666667, "p999": 7.5 }, { "p50": 1.66666666667, "p99": 2.83333333333, "p999": 4.66666666667 } ], "internal_backpressure": null, "parameters": { "transport": "readerwriterqueue", "mode": "throughput", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 261121, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "readerwriterqueue", "mode": "throughput", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 261121, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 261121, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 261121, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 261121, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "663d9fce7f98", "p50": "663d9fce7f98", "p99": "663d9fce7f98", "p999": "663d9fce7f98" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 1.6583333333360002, "p99_ns": 3.066666666666, "p999_ns": 6.108333333334, "callback_to_producer_ratio": 2.527097681454, "producer_seconds": 0.0175151742, "callback_processing_seconds": 0.0442544322, "wall_seconds": 0.061510375000000006, "drain_seconds": 0.0271841422, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.7306657636099998, "input_preparation_seconds": 0.0176160002, "actual_spsc_capacity": [ 261632 ], "nominal_buffer_mib": [ 7.984375 ], "completed_rounds": [ 48 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710880 ], "latency_samples": [ 9966 ], "latency_tail_writes": [ 34000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 16.390625, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 32, "transport": "rigtorp", "callback_iterations": 0, "throughput_mps": 301.5523692386, "payload_gb_per_second": 9.649675815636, "throughput_runs_mps": [ 303.576860971, 301.183672917, 300.119327445, 300.16432496, 302.7176599 ], "latency_runs": [ { "p50": 3.25, "p99": 3.875, "p999": 5.33333333333 }, { "p50": 3.29166666667, "p99": 5.41666666667, "p999": 10.875 }, { "p50": 3.25, "p99": 3.95833333333, "p999": 9.375 }, { "p50": 3.25, "p99": 3.75, "p999": 6.75 }, { "p50": 3.25, "p99": 4.125, "p999": 11.4583333333 } ], "internal_backpressure": null, "parameters": { "transport": "rigtorp", "mode": "throughput", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "rigtorp", "mode": "throughput", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 1000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "4c4308603e79", "p50": "4c4308603e79", "p99": "4c4308603e79", "p999": "63fb5d460b4e" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 3.258333333334, "p99_ns": 4.225, "p999_ns": 8.758333333326, "callback_to_producer_ratio": 0.9986658762126, "producer_seconds": 0.033162433000000005, "callback_processing_seconds": 0.0331182586, "wall_seconds": 0.05024725, "drain_seconds": 0.0004171744, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.6756153621540002, "input_preparation_seconds": 0.0174445752, "actual_spsc_capacity": [ 262144 ], "nominal_buffer_mib": [ 8.0 ], "completed_rounds": [ 48 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710880 ], "latency_samples": [ 9966 ], "latency_tail_writes": [ 34000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 16.171875, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 32, "transport": "atomic_queue", "callback_iterations": 0, "throughput_mps": 89.43877656474, "payload_gb_per_second": 2.86204085007, "throughput_runs_mps": [ 90.2762022073, 90.9636368405, 91.2420555656, 82.8049041768, 91.9070840335 ], "latency_runs": [ { "p50": 8.45833333333, "p99": 27.0416666667, "p999": 44.7916666667 }, { "p50": 9.125, "p99": 33.8333333333, "p999": 45.375 }, { "p50": 8.58333333333, "p99": 30.9166666667, "p999": 48.5833333333 }, { "p50": 8.875, "p99": 34.375, "p999": 44.2916666667 }, { "p50": 9.33333333333, "p99": 33.75, "p999": 45.4166666667 } ], "internal_backpressure": null, "parameters": { "transport": "atomic_queue", "mode": "throughput", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "atomic_queue", "mode": "throughput", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 32, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "98f9493f8c09", "p50": "98f9493f8c09", "p99": "98f9493f8c09", "p999": "cd021d0cb36a" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 8.874999999998, "p99_ns": 31.98333333334, "p999_ns": 45.69166666668, "callback_to_producer_ratio": 1.004684223528, "producer_seconds": 0.11197502420000001, "callback_processing_seconds": 0.1125007828, "wall_seconds": 0.13109680019999997, "drain_seconds": 0.0019064502000000001, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.771448384328, "input_preparation_seconds": 0.0179946344, "actual_spsc_capacity": [ 262144 ], "nominal_buffer_mib": [ 8.0 ], "completed_rounds": [ 48 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710880 ], "latency_samples": [ 9966 ], "latency_tail_writes": [ 34000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 16.375, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 64, "transport": "two_buf_queue", "callback_iterations": 0, "throughput_mps": 451.38323319400007, "payload_gb_per_second": 28.88852692442, "throughput_runs_mps": [ 451.03454018, 450.57649009, 456.496749903, 449.528309944, 449.280075853 ], "latency_runs": [ { "p50": 2.04166666667, "p99": 4.04166666667, "p999": 6.875 }, { "p50": 2.04166666667, "p99": 4.375, "p999": 6.91666666667 }, { "p50": 2.04166666667, "p99": 4.16666666667, "p999": 6.625 }, { "p50": 2.04166666667, "p99": 4.125, "p999": 7.04166666667 }, { "p50": 2.04166666667, "p99": 4.25, "p999": 6.66666666667 } ], "internal_backpressure": { "scope": "after_warmup_through_formal_drain_and_stop", "writer_pressure_events": 0.0, "writer_rejected_attempts": 0.0, "writer_blocked_events": 0.0, "writer_blocked_ticks": 0.0, "writer_blocked_counter_kind": "steady_clock_ticks", "copy_memory_full_events": 0.0, "copy_backpressured_frames": 0.0 }, "parameters": { "transport": "two_buf_queue", "mode": "throughput", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 1024, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 10000, "rescan_interval_ns": 30000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "two_buf_queue", "mode": "throughput", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 1024, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 10000, "rescan_interval_ns": 30000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 1024, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 10000, "rescan_interval_ns": 30000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 64, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 10000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "two_buf_queue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 4194304, "source_pool_min": 2, "source_pool_max": 2, "source_queue_capacity": 8, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 4194304, "output_frame_capacity": 64, "output_pool_min": 2, "output_pool_max": 2, "output_queue_capacity": 8, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 10000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 1000, "spsc_idle_sleep_ns": 0, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "c3be410beeb5", "p50": "c3be410beeb5", "p99": "cd9ad6c0af8a", "p999": "cd9ad6c0af8a" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 2.04166666667, "p99_ns": 4.1916666666680005, "p999_ns": 6.825000000002001, "callback_to_producer_ratio": 1.4905903858060001, "producer_seconds": 0.022154874600000003, "callback_processing_seconds": 0.0330243754, "wall_seconds": 0.0935734502, "drain_seconds": 0.0395488472, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.6045963652720001, "input_preparation_seconds": 0.032655574, "actual_spsc_capacity": [ 0 ], "nominal_buffer_mib": [ 16.0 ], "completed_rounds": [ 96 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710848 ], "latency_samples": [ 9918 ], "latency_tail_writes": [ 82000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 24.28125, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 64, "transport": "readerwriterqueue", "callback_iterations": 0, "throughput_mps": 279.6501027676, "payload_gb_per_second": 17.89760657712, "throughput_runs_mps": [ 285.610902728, 276.991721438, 267.389781331, 283.20757501, 285.050533331 ], "latency_runs": [ { "p50": 3.66666666667, "p99": 10.2083333333, "p999": 21.875 }, { "p50": 3.29166666667, "p99": 6.875, "p999": 11.7916666667 }, { "p50": 3.33333333333, "p99": 7.375, "p999": 12.5416666667 }, { "p50": 3.41666666667, "p99": 7.66666666667, "p999": 12.5416666667 }, { "p50": 3.375, "p99": 7.41666666667, "p999": 11.125 } ], "internal_backpressure": null, "parameters": { "transport": "readerwriterqueue", "mode": "throughput", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 130305, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "readerwriterqueue", "mode": "throughput", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 130305, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 130305, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 130305, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "readerwriterqueue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 130305, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "2232a9c3cce4", "p50": "2232a9c3cce4", "p99": "2232a9c3cce4", "p999": "2232a9c3cce4" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 3.416666666668, "p99_ns": 7.908333333328, "p999_ns": 13.97500000002, "callback_to_producer_ratio": 1.204244379544, "producer_seconds": 0.0357809414, "callback_processing_seconds": 0.0430777578, "wall_seconds": 0.0763877498, "drain_seconds": 0.0082544176, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.576037734466, "input_preparation_seconds": 0.0331594604, "actual_spsc_capacity": [ 130816 ], "nominal_buffer_mib": [ 7.984375 ], "completed_rounds": [ 96 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710848 ], "latency_samples": [ 9918 ], "latency_tail_writes": [ 82000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 20.15625, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 64, "transport": "rigtorp", "callback_iterations": 0, "throughput_mps": 228.6992276082, "payload_gb_per_second": 14.6367505669, "throughput_runs_mps": [ 228.782755857, 230.296647876, 231.242627118, 222.358725773, 230.815381417 ], "latency_runs": [ { "p50": 4.25, "p99": 5.41666666667, "p999": 10 }, { "p50": 4.33333333333, "p99": 5.33333333333, "p999": 9.95833333333 }, { "p50": 4.25, "p99": 5.25, "p999": 9.29166666667 }, { "p50": 4.25, "p99": 5.33333333333, "p999": 9.5 }, { "p50": 4.33333333333, "p99": 6.66666666667, "p999": 11.2083333333 } ], "internal_backpressure": null, "parameters": { "transport": "rigtorp", "mode": "throughput", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "rigtorp", "mode": "throughput", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 1000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "rigtorp", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 1000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "5eae5d1fe856", "p50": "5eae5d1fe856", "p99": "3ec8168142f1", "p999": "3ec8168142f1" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 4.283333333332, "p99_ns": 5.6, "p999_ns": 9.99166666666, "callback_to_producer_ratio": 1.0004341127151999, "producer_seconds": 0.043734702, "callback_processing_seconds": 0.04375378319999999, "wall_seconds": 0.07710945, "drain_seconds": 0.0009674102, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.43486669259, "input_preparation_seconds": 0.0332250972, "actual_spsc_capacity": [ 131072 ], "nominal_buffer_mib": [ 8.0 ], "completed_rounds": [ 96 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710848 ], "latency_samples": [ 9918 ], "latency_tail_writes": [ 82000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 16.203125, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true }, { "payload_bytes": 64, "transport": "atomic_queue", "callback_iterations": 0, "throughput_mps": 72.51961410684001, "payload_gb_per_second": 4.641255302838, "throughput_runs_mps": [ 72.6386087208, 70.5387348614, 73.7539263087, 72.2609880745, 73.4058125688 ], "latency_runs": [ { "p50": 10.4166666667, "p99": 18.9583333333, "p999": 31.4583333333 }, { "p50": 10.5, "p99": 20.7083333333, "p999": 40.1666666667 }, { "p50": 10.5, "p99": 18.125, "p999": 32.4166666667 }, { "p50": 10.6666666667, "p99": 20.5833333333, "p999": 30.4166666667 }, { "p50": 10.5, "p99": 18, "p999": 32.8333333333 } ], "internal_backpressure": null, "parameters": { "transport": "atomic_queue", "mode": "throughput", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "parameters_by_objective": { "throughput": { "transport": "atomic_queue", "mode": "throughput", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p50": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p99": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 10000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 }, "p999": { "transport": "atomic_queue", "mode": "write_latency", "payload_bytes": 64, "messages": 10000000, "warmup_messages": 50000, "callback_iterations": 0, "verify_payload": false, "prepared_input": true, "variable_payload": true, "prepared_input_limit_bytes": 268435456, "measure_callback_time": true, "producer_interval_ns": 0, "source_block_size": 65536, "source_pool_min": 128, "source_pool_max": 128, "source_queue_capacity": 512, "writer_backpressure": "drop", "writer_spin_count": 1000, "writer_wait_timeout_ms": 5000, "output_block_size": 65536, "output_frame_capacity": 1024, "output_pool_min": 128, "output_pool_max": 128, "output_queue_capacity": 512, "cancel_claim_mode": "tail", "output_mode": "spsc", "output_reader_mode": "wait_signal", "output_reader_count": 1, "output_retry_wait_us": 1000, "output_enable_stats": false, "is_scan_current": false, "reader_spin_count": 1000, "rescan_interval_ns": 5000000, "rescan_max_interval_ns": 30000000, "consumer_cpu": -1, "producer_cpu": -1, "producer_qos": "user_interactive", "round_storage_bytes": 6710886, "spsc_buffer_bytes": 8388608, "prefault_producer_buffers": true, "finish_timeout_ms": 5000, "work_wait_min_ms": 1, "finish_retry_ms": 1, "publish_count": 4294967295, "cache_remaining_bytes": false, "spsc_capacity": 0, "retry_yield_every": 1024, "spsc_idle_spins": 0, "spsc_idle_sleep_ns": 1000, "timer": "auto", "sample_every": 32, "max_samples": 1000000, "latency_batch_size": 1000, "timer_calibration_samples": 16384, "call_batch_size": 256, "random_seed": 42, "timeout_seconds": 180, "buffer_budget_bytes": 16777216 } }, "selected_candidate_ids": { "throughput": "3105d6e01e21", "p50": "3105d6e01e21", "p99": "3105d6e01e21", "p999": "e9525e94b6c1" }, "ranking_status": { "throughput": "observed", "p50": "observed", "p99": "observed", "p999": "observed" }, "p50_ns": 10.516666666679999, "p99_ns": 19.27499999998, "p999_ns": 33.45833333334, "callback_to_producer_ratio": 1.014529110364, "producer_seconds": 0.137927234, "callback_processing_seconds": 0.13992892380000002, "wall_seconds": 0.1735497916, "drain_seconds": 0.0030013226, "failed_write_calls": 0.0, "backpressured_messages": 0.0, "producer_retry_seconds": 0.0, "cpu_cores": 1.8070829938639998, "input_preparation_seconds": 0.033417171, "actual_spsc_capacity": [ 131072 ], "nominal_buffer_mib": [ 8.0 ], "completed_rounds": [ 96 ], "effective_warmup_messages": [ 50000 ], "prepared_input_bytes": [ 6710848 ], "latency_samples": [ 9918 ], "latency_tail_writes": [ 82000 ], "timer": [ "mach_absolute_time" ], "peak_rss_mib": 16.15625, "latency_quantum_ns": 0.0416666666667, "resolution_limited": false, "p999_sample_count_warning": true } ], "calibration": [], "search": { "scope": "best measured configurations within the declared search space and budget; not a global optimum", "settings": { "strategy": "grid", "max_candidates_per_transport": 0, "passes": 2, "screen_messages": 10000000, "final_messages": 10000000, "screen_repetitions": 5, "final_repetitions": 5, "screen_min_rounds": 0, "final_min_rounds": 0, "validation_messages": 10000000, "batch_reference": false }, "groups": [ { "payload_bytes": 16, "callback_iterations": 0, "transport": "two_buf_queue", "tested_candidates": 270, "search_space_product": 270 }, { "payload_bytes": 16, "callback_iterations": 0, "transport": "rigtorp", "tested_candidates": 9, "search_space_product": 9 }, { "payload_bytes": 16, "callback_iterations": 0, "transport": "readerwriterqueue", "tested_candidates": 9, "search_space_product": 9 }, { "payload_bytes": 16, "callback_iterations": 0, "transport": "atomic_queue", "tested_candidates": 9, "search_space_product": 9 }, { "payload_bytes": 32, "callback_iterations": 0, "transport": "two_buf_queue", "tested_candidates": 270, "search_space_product": 270 }, { "payload_bytes": 32, "callback_iterations": 0, "transport": "rigtorp", "tested_candidates": 9, "search_space_product": 9 }, { "payload_bytes": 32, "callback_iterations": 0, "transport": "readerwriterqueue", "tested_candidates": 9, "search_space_product": 9 }, { "payload_bytes": 32, "callback_iterations": 0, "transport": "atomic_queue", "tested_candidates": 9, "search_space_product": 9 }, { "payload_bytes": 64, "callback_iterations": 0, "transport": "two_buf_queue", "tested_candidates": 270, "search_space_product": 270 }, { "payload_bytes": 64, "callback_iterations": 0, "transport": "rigtorp", "tested_candidates": 9, "search_space_product": 9 }, { "payload_bytes": 64, "callback_iterations": 0, "transport": "readerwriterqueue", "tested_candidates": 9, "search_space_product": 9 }, { "payload_bytes": 64, "callback_iterations": 0, "transport": "atomic_queue", "tested_candidates": 9, "search_space_product": 9 } ], "source_directory": "/Users/lc/Documents/Codex/2026-10-08/twobufqueue/work/max-publish-investigation/grid-all-20261010-161915/joint" }, "formal_runs": 180, "validation_runs": 26, "calibration_runs": 0, "audit_notes": [ "本页只测试16、32、64 B。每种长度完整遍历270组TwoBufQueue参数和每种开源队列9组参数，共891组；每组先校验一千万条完整字节和FIFO，再分别测吞吐与分组耗时，每项5次。最后候选把三种长度和各队列交错复测，保留全部测量，未剔除异常值。", "每层消息数据区严格8 MiB，合计16 MiB；块大小64 KiB/256 KiB/1 MiB/2 MiB/4 MiB，分别配128/32/8/4/2块，池不增长，至少2块。块和队列管理元数据、计时前准备的输入不计入消息数据区；这个预算不等于进程RSS。", "全过程关闭当前块扫描，发布批次为UINT32_MAX，业务回调循环为0，两层复制与独立回调线程保留。每轮写入约6.4 MiB，尾块交接和等待回调在发送计时之外。高QoS，接电源，未硬绑核。", "吞吐、p50、p99、p999各自选优，表中的一行不是一个配置同时实现全部指标。参数遍历、校验和正式复测使用同一完整Release二进制；延时是每组1000次write的平均耗时分位数，不是单次write或端到端消息延时。", "ReaderWriterQueue请求条数下调到内部512槽位块的数据区恰好8 MiB；每块保留1个槽位，因此可用消息容量约7.984 MiB。其余原生对照的数据容量8 MiB。第三方原文件、外部Payload复制代码和计时发送循环均未修改。", "32 B尚未做到全部对照中最低p50：TwoBufQueue为1.742 ns，ReaderWriterQueue为1.658 ns，差约5%。16 B最大批次的吞吐明显改善，但仍未超过此前有限发布批次约1115 M条/s；不能宣称这两项差距已消除。" ], "diagnosis": { "matched_parameters": { "matched_16_False": { "throughput": 620.0331738662001, "throughput_runs": [ 631.808406881, 622.949406292, 614.008669188, 617.704905071, 613.694481899 ], "p50": 1.58333333333, "p99": 2.100000000002, "p999": 5.958333333332, "p50_runs": [ 1.58333333333, 1.58333333333, 1.58333333333, 1.58333333333, 1.58333333333 ], "failed_write_calls": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] }, "matched_16_True": { "throughput": 918.827222741, "throughput_runs": [ 765.662604801, 942.895868937, 980.200056871, 961.55806253, 943.819520566 ], "p50": 0.8000000000002, "p99": 2.166666666666, "p999": 3.449999999998, "p50_runs": [ 0.791666666667, 0.791666666667, 0.791666666667, 0.791666666667, 0.833333333333 ], "failed_write_calls": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] }, "matched_32_False": { "throughput": 545.5052564342001, "throughput_runs": [ 544.276957725, 557.464157981, 558.296543452, 550.852954486, 516.635668527 ], "p50": 1.725, "p99": 4.466666666664, "p999": 125.008333333268, "p50_runs": [ 1.66666666667, 1.79166666667, 1.70833333333, 1.70833333333, 1.75 ], "failed_write_calls": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] }, "matched_32_True": { "throughput": 522.9430477328, "throughput_runs": [ 529.441332447, 524.798844603, 517.338442706, 516.960598401, 526.176020507 ], "p50": 1.9416666666659999, "p99": 2.966666666668, "p999": 7.258333333333999, "p50_runs": [ 2, 1.95833333333, 1.91666666667, 1.95833333333, 1.875 ], "failed_write_calls": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] }, "matched_64_False": { "throughput": 452.69370703820005, "throughput_runs": [ 409.9998975, 460.679018761, 467.974953045, 459.004242622, 465.810423263 ], "p50": 2.0, "p99": 4.8, "p999": 9.008333333332, "p50_runs": [ 1.95833333333, 2, 2, 2, 2.04166666667 ], "failed_write_calls": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] }, "matched_64_True": { "throughput": 438.9850872512, "throughput_runs": [ 445.395472653, 433.445993171, 438.377706144, 438.129710141, 439.576554147 ], "p50": 2.241666666666, "p99": 4.891666666663999, "p999": 9.916666666660001, "p50_runs": [ 2.20833333333, 2.29166666667, 2.20833333333, 2.25, 2.25 ], "failed_write_calls": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] } }, "hardware_stall_cause": "not established", "native_32b_p50_gap_percent": 5.02512562805828, "baseline_reader_probe_partial_reads": 0, "experiments_not_adopted": [ "advance cursor before copy", "compiler fences", "derived cursor", "fixed-size slot cursor", "different register copies", "compiler target / backend / alignment variations" ], "only_adopted_writer_optimization": "optional cached remaining bytes and proven non-null assumption" } }