测试条件与初始化参数
正式每项 1,000 万条，3 次独立进程取算术平均；运行顺序打乱，测试串行执行。固定 256 MiB 第二层，每轮上限为其 80%，不随第一层变化。队列页通过真实管道预热两轮，业务预热 20,000 次。首次分配和预热不计时。
普通 write：publish_write_ptr_count = UINT32_MAX、is_scan_current = false；消息不写长度。源池与输出池在构造时预分配，块满后交接；已写消息在完整块或轮末交接后供复制线程读取。原生队列使用 spsc_* 字段，初始化记录中的 source/output 字段只供公共配置校验，不会构建双层管道。原生队列保留上游源码与原生入队接口，复制选项在这个相同业务负载下复测，选出三次平均吞吐较好的选项，三个缓存敏感回调场景保持该选项；纯计算负载另外筛选原生复制选项。
机器、编译器与电源记录
{
"date": "2026-10-12",
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"machine": "Apple M3",
"logical_cpus": 8,
"ram_bytes": 8589934592,
"performance_l1_data_bytes": 131072,
"efficiency_l1_data_bytes": 65536,
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"qos": "USER_INTERACTIVE, verified in each process",
"hard_affinity": false,
"compiler": "Homebrew clang version 18.1.8",
"compile_flags": "Release -O3 -DNDEBUG (CMake)",
"power": "Now drawing from 'AC Power'\n -InternalBattery-0 (id=6226019)\t100%; charged; 0:00 remaining present: true",
"business_step": "One shared noinline implementation, verified single symbol with llvm-nm",
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}业务基线（无队列） · 完整初始化参数
{
"business": {
"bytes": 98304,
"accesses": 8,
"entry_bytes": 64,
"warmup_steps": 20000,
"seed": 42
},
"scenarios": {
"paused": {
"gate": "hold first callback until round writer completes"
},
"slow": {
"callback_iterations": 16
},
"fast": {
"callback_iterations": 0
}
},
"queue": {
"transport": "two_buf_queue",
"mode": "throughput",
"payload_bytes": 32,
"messages": 10000000,
"warmup_messages": 0,
"callback_iterations": 0,
"verify_payload": true,
"prepared_input": false,
"variable_payload": true,
"prepared_input_limit_bytes": 268435456,
"measure_callback_time": false,
"producer_interval_ns": 0,
"source_block_size": 65536,
"source_pool_min": 4,
"source_pool_max": 4,
"source_queue_capacity": 16,
"writer_backpressure": "drop",
"writer_spin_count": 1000,
"writer_wait_timeout_ms": 5000,
"output_block_size": 65536,
"output_frame_capacity": 4,
"output_pool_min": 4096,
"output_pool_max": 4096,
"output_queue_capacity": 4098,
"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": 1000000,
"consumer_cpu": -1,
"producer_cpu": -1,
"producer_qos": "user_interactive",
"round_storage_bytes": 214748364,
"fixed_round_boundaries": true,
"spsc_buffer_bytes": 268435456,
"prefault_producer_buffers": true,
"finish_timeout_ms": 120000,
"work_wait_min_ms": 1,
"finish_retry_ms": 1,
"publish_count": 4294967295,
"use_write_session": false,
"rigtorp_write_prefetch": true,
"readerwriterqueue_copy_after_zero": false,
"spsc_capacity": 0,
"retry_yield_every": 1024,
"spsc_idle_spins": 1000,
"spsc_idle_sleep_ns": 0,
"timer": "auto",
"sample_every": 256,
"max_samples": 100000,
"latency_batch_size": 1000,
"timer_calibration_samples": 16384,
"call_batch_size": 256,
"random_seed": 42,
"timeout_seconds": 180,
"buffer_budget_bytes": 536870912
}
}TwoBufQueue · 完整初始化参数
{
"business": {
"bytes": 98304,
"accesses": 8,
"entry_bytes": 64,
"warmup_steps": 20000,
"seed": 42
},
"scenarios": {
"paused": {
"gate": "hold first callback until round writer completes"
},
"slow": {
"callback_iterations": 16
},
"fast": {
"callback_iterations": 0
}
},
"queue": {
"transport": "two_buf_queue",
"mode": "throughput",
"payload_bytes": 32,
"messages": 10000000,
"warmup_messages": 0,
"callback_iterations": 0,
"verify_payload": true,
"prepared_input": false,
"variable_payload": true,
"prepared_input_limit_bytes": 268435456,
"measure_callback_time": false,
"producer_interval_ns": 0,
"source_block_size": 131072,
"source_pool_min": 4,
"source_pool_max": 4,
"source_queue_capacity": 16,
"writer_backpressure": "drop",
"writer_spin_count": 1000,
"writer_wait_timeout_ms": 5000,
"output_block_size": 131072,
"output_frame_capacity": 4,
"output_pool_min": 2048,
"output_pool_max": 2048,
"output_queue_capacity": 2050,
"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": 1000000,
"consumer_cpu": -1,
"producer_cpu": -1,
"producer_qos": "user_interactive",
"round_storage_bytes": 214748364,
"fixed_round_boundaries": true,
"spsc_buffer_bytes": 268435456,
"prefault_producer_buffers": true,
"finish_timeout_ms": 120000,
"work_wait_min_ms": 1,
"finish_retry_ms": 1,
"publish_count": 4294967295,
"use_write_session": false,
"rigtorp_write_prefetch": true,
"readerwriterqueue_copy_after_zero": false,
"spsc_capacity": 0,
"retry_yield_every": 1024,
"spsc_idle_spins": 1000,
"spsc_idle_sleep_ns": 0,
"timer": "auto",
"sample_every": 256,
"max_samples": 100000,
"latency_batch_size": 1000,
"timer_calibration_samples": 16384,
"call_batch_size": 256,
"random_seed": 42,
"timeout_seconds": 180,
"buffer_budget_bytes": 536870912
}
}ReaderWriterQueue · 完整初始化参数
{
"business": {
"bytes": 98304,
"accesses": 8,
"entry_bytes": 64,
"warmup_steps": 20000,
"seed": 42
},
"scenarios": {
"paused": {
"gate": "hold first callback until round writer completes"
},
"slow": {
"callback_iterations": 16
},
"fast": {
"callback_iterations": 0
}
},
"queue": {
"transport": "readerwriterqueue",
"mode": "throughput",
"payload_bytes": 32,
"messages": 10000000,
"warmup_messages": 0,
"callback_iterations": 0,
"verify_payload": true,
"prepared_input": false,
"variable_payload": true,
"prepared_input_limit_bytes": 268435456,
"measure_callback_time": false,
"producer_interval_ns": 0,
"source_block_size": 65536,
"source_pool_min": 4,
"source_pool_max": 4,
"source_queue_capacity": 16,
"writer_backpressure": "drop",
"writer_spin_count": 1000,
"writer_wait_timeout_ms": 5000,
"output_block_size": 65536,
"output_frame_capacity": 4,
"output_pool_min": 4096,
"output_pool_max": 4096,
"output_queue_capacity": 4098,
"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": 1000000,
"consumer_cpu": -1,
"producer_cpu": -1,
"producer_qos": "user_interactive",
"round_storage_bytes": 214748364,
"fixed_round_boundaries": true,
"spsc_buffer_bytes": 268435456,
"prefault_producer_buffers": true,
"finish_timeout_ms": 120000,
"work_wait_min_ms": 1,
"finish_retry_ms": 1,
"publish_count": 4294967295,
"use_write_session": false,
"rigtorp_write_prefetch": true,
"readerwriterqueue_copy_after_zero": false,
"spsc_capacity": 8371713,
"retry_yield_every": 1024,
"spsc_idle_spins": 0,
"spsc_idle_sleep_ns": 12500,
"timer": "auto",
"sample_every": 256,
"max_samples": 100000,
"latency_batch_size": 1000,
"timer_calibration_samples": 16384,
"call_batch_size": 256,
"random_seed": 42,
"timeout_seconds": 180,
"buffer_budget_bytes": 536870912
}
}rigtorp::SPSCQueue · 完整初始化参数
{
"business": {
"bytes": 98304,
"accesses": 8,
"entry_bytes": 64,
"warmup_steps": 20000,
"seed": 42
},
"scenarios": {
"paused": {
"gate": "hold first callback until round writer completes"
},
"slow": {
"callback_iterations": 16
},
"fast": {
"callback_iterations": 0
}
},
"queue": {
"transport": "rigtorp",
"mode": "throughput",
"payload_bytes": 32,
"messages": 10000000,
"warmup_messages": 0,
"callback_iterations": 0,
"verify_payload": true,
"prepared_input": false,
"variable_payload": true,
"prepared_input_limit_bytes": 268435456,
"measure_callback_time": false,
"producer_interval_ns": 0,
"source_block_size": 65536,
"source_pool_min": 4,
"source_pool_max": 4,
"source_queue_capacity": 16,
"writer_backpressure": "drop",
"writer_spin_count": 1000,
"writer_wait_timeout_ms": 5000,
"output_block_size": 65536,
"output_frame_capacity": 4,
"output_pool_min": 4096,
"output_pool_max": 4096,
"output_queue_capacity": 4098,
"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": 1000000,
"consumer_cpu": -1,
"producer_cpu": -1,
"producer_qos": "user_interactive",
"round_storage_bytes": 214748364,
"fixed_round_boundaries": true,
"spsc_buffer_bytes": 268435456,
"prefault_producer_buffers": true,
"finish_timeout_ms": 120000,
"work_wait_min_ms": 1,
"finish_retry_ms": 1,
"publish_count": 4294967295,
"use_write_session": false,
"rigtorp_write_prefetch": true,
"readerwriterqueue_copy_after_zero": false,
"spsc_capacity": 8388603,
"retry_yield_every": 1024,
"spsc_idle_spins": 4000,
"spsc_idle_sleep_ns": 1000,
"timer": "auto",
"sample_every": 256,
"max_samples": 100000,
"latency_batch_size": 1000,
"timer_calibration_samples": 16384,
"call_batch_size": 256,
"random_seed": 42,
"timeout_seconds": 180,
"buffer_budget_bytes": 536870912
}
}atomic_queue · 完整初始化参数
{
"business": {
"bytes": 98304,
"accesses": 8,
"entry_bytes": 64,
"warmup_steps": 20000,
"seed": 42
},
"scenarios": {
"paused": {
"gate": "hold first callback until round writer completes"
},
"slow": {
"callback_iterations": 16
},
"fast": {
"callback_iterations": 0
}
},
"queue": {
"transport": "atomic_queue",
"mode": "throughput",
"payload_bytes": 32,
"messages": 10000000,
"warmup_messages": 0,
"callback_iterations": 0,
"verify_payload": true,
"prepared_input": false,
"variable_payload": true,
"prepared_input_limit_bytes": 268435456,
"measure_callback_time": false,
"producer_interval_ns": 0,
"source_block_size": 65536,
"source_pool_min": 4,
"source_pool_max": 4,
"source_queue_capacity": 16,
"writer_backpressure": "drop",
"writer_spin_count": 1000,
"writer_wait_timeout_ms": 5000,
"output_block_size": 65536,
"output_frame_capacity": 4,
"output_pool_min": 4096,
"output_pool_max": 4096,
"output_queue_capacity": 4098,
"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": 1000000,
"consumer_cpu": -1,
"producer_cpu": -1,
"producer_qos": "user_interactive",
"round_storage_bytes": 214748364,
"fixed_round_boundaries": true,
"spsc_buffer_bytes": 268435456,
"prefault_producer_buffers": true,
"finish_timeout_ms": 120000,
"work_wait_min_ms": 1,
"finish_retry_ms": 1,
"publish_count": 4294967295,
"use_write_session": false,
"rigtorp_write_prefetch": true,
"readerwriterqueue_copy_after_zero": false,
"spsc_capacity": 8388608,
"retry_yield_every": 1024,
"spsc_idle_spins": 2000,
"spsc_idle_sleep_ns": 10000,
"timer": "auto",
"sample_every": 256,
"max_samples": 100000,
"latency_batch_size": 1000,
"timer_calibration_samples": 16384,
"call_batch_size": 256,
"random_seed": 42,
"timeout_seconds": 180,
"buffer_budget_bytes": 536870912
}
}开源复制选项对照（全部保留）