数据库回调与协程性能

ark 私有数据库服务的同等工作量对比：56 组配对配置、336 个独立进程、零错误。每种方式按固定操作数运行三次，使用 Boost.Asio；这里测量 ark 的 database_awaitable、manual_runtime 与任务组接入，不是 arknet 原生协程接口。

图中柱高为三次测量的中位数，短误差线为最小值至最大值；各面板纵轴独立。横轴为连接数／在途请求数。表中变化＝（协程中位数／回调中位数−1）×100%。

Redis · TCP

吞吐量

CPU 占用

28 组配置的协程吞吐中位数相对回调变化为 −1.37%～+12.80%；其中 22/28 组的三次测量范围重叠。变化取决于配置，不作显著性结论。

响应时间与进程内存

P99

RSS

P50 和所有指标的精确数值见下方完整表。P99 是每个进程全部请求的第 99 百分位，再对三个进程取中位数；不是把全部进程样本混合计算。RSS 是整个进程生命周期高水位，包含预热与预分配延迟样本；回调方式也创建空闲桥接对象和任务组，不能据此隔离协程帧成本。

全部 28 组配对配置：吞吐、CPU、P50、P99、RSS

吞吐量（ops/s）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	11,246.7 [11,135.8–11,282.4]	11,452.5 [11,451.4–11,495.0]	+1.83%	否
64 B	连续	1/4	10,050.3 [9,980.7–10,052.9]	10,087.2 [10,026.9–10,185.9]	+0.37%	是
64 B	连续	1/16	10,140.7 [10,071.8–10,172.5]	10,018.4 [9,961.2–10,038.5]	−1.21%	否
64 B	连续	1/64	9,823.1 [9,820.9–10,186.9]	10,150.6 [10,110.1–10,177.4]	+3.33%	是
64 B	连续	4/4	36,926.1 [36,478.0–36,978.4]	36,975.7 [36,825.5–37,064.4]	+0.13%	是
64 B	连续	4/16	36,454.9 [36,394.2–36,962.5]	36,670.6 [33,368.9–37,089.1]	+0.59%	是
64 B	连续	4/64	37,176.8 [37,073.8–37,204.7]	36,974.4 [36,690.8–37,059.1]	−0.54%	否
64 B	1 ms	1/1	996.7 [992.9–997.7]	999.6 [998.7–999.6]	+0.29%	否
64 B	1 ms	1/4	3,688.4 [3,608.7–3,708.9]	3,682.3 [3,659.2–3,773.9]	−0.17%	是
64 B	1 ms	1/16	10,665.1 [10,652.5–10,707.6]	10,653.9 [10,653.5–10,684.0]	−0.10%	是
64 B	1 ms	1/64	10,622.5 [10,541.9–10,623.1]	10,603.5 [10,382.1–10,651.7]	−0.18%	是
64 B	1 ms	4/4	3,994.7 [3,970.2–3,994.9]	3,957.3 [3,928.9–3,998.5]	−0.94%	是
64 B	1 ms	4/16	15,524.6 [15,321.4–15,539.1]	15,524.4 [15,407.1–15,539.3]	−0.00%	是
64 B	1 ms	4/64	37,282.1 [37,277.3–37,446.7]	37,362.0 [37,276.6–37,364.2]	+0.21%	是
4 KiB	连续	1/1	8,638.8 [8,595.2–8,646.6]	8,727.0 [8,668.5–8,758.3]	+1.02%	否
4 KiB	连续	1/4	8,059.4 [7,989.3–8,090.7]	8,057.2 [8,040.8–8,099.1]	−0.03%	是
4 KiB	连续	1/16	8,020.9 [7,993.5–8,081.1]	8,062.0 [7,987.9–8,191.6]	+0.51%	是
4 KiB	连续	1/64	8,041.8 [7,865.1–8,180.0]	8,111.6 [8,095.7–8,112.3]	+0.87%	是
4 KiB	连续	4/4	28,169.4 [27,982.5–28,283.1]	28,025.2 [28,017.6–28,232.9]	−0.51%	是
4 KiB	连续	4/16	28,159.9 [27,956.3–28,183.8]	27,773.2 [27,438.8–28,205.7]	−1.37%	是
4 KiB	连续	4/64	28,126.6 [28,117.0–28,254.4]	28,030.1 [28,021.9–28,340.3]	−0.34%	是
4 KiB	1 ms	1/1	994.8 [985.1–997.7]	998.5 [997.7–999.6]	+0.38%	是
4 KiB	1 ms	1/4	3,367.5 [3,350.1–3,712.4]	3,798.4 [3,780.8–3,805.5]	+12.80%	否
4 KiB	1 ms	1/16	8,268.9 [8,265.8–8,299.8]	8,283.3 [8,251.5–8,316.4]	+0.17%	是
4 KiB	1 ms	1/64	8,319.4 [8,269.6–8,349.9]	8,282.6 [8,282.5–8,299.8]	−0.44%	是
4 KiB	1 ms	4/4	3,971.5 [3,971.4–3,998.7]	3,978.1 [3,941.0–3,978.2]	+0.17%	是
4 KiB	1 ms	4/16	15,180.7 [15,053.6–15,251.5]	15,179.4 [15,025.6–15,206.5]	−0.01%	是
4 KiB	1 ms	4/64	28,673.3 [28,472.2–28,674.9]	28,572.1 [28,565.2–28,768.8]	−0.35%	是

客户端进程 CPU 占用（%）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	136.69 [136.63–136.88]	137.02 [136.83–137.13]	+0.24%	是
64 B	连续	1/4	133.51 [133.36–133.55]	133.44 [133.29–133.55]	−0.05%	是
64 B	连续	1/16	133.36 [133.32–133.47]	133.49 [133.31–133.58]	+0.09%	是
64 B	连续	1/64	133.41 [133.40–133.49]	133.47 [133.45–133.62]	+0.04%	是
64 B	连续	4/4	173.03 [172.38–173.69]	173.98 [173.64–174.44]	+0.55%	是
64 B	连续	4/16	173.00 [172.91–173.92]	173.30 [170.50–174.34]	+0.18%	是
64 B	连续	4/64	173.10 [172.90–173.97]	174.24 [173.58–174.26]	+0.66%	是
64 B	1 ms	1/1	25.03 [24.92–30.35]	20.62 [18.66–28.22]	−17.64%	是
64 B	1 ms	1/4	22.46 [22.23–22.81]	21.90 [21.64–23.22]	−2.45%	是
64 B	1 ms	1/16	33.38 [33.29–33.60]	33.67 [33.62–33.77]	+0.87%	否
64 B	1 ms	1/64	33.54 [33.48–33.67]	33.92 [33.68–34.15]	+1.15%	否
64 B	1 ms	4/4	49.98 [34.11–51.44]	48.81 [39.43–52.37]	−2.35%	是
64 B	1 ms	4/16	36.23 [36.08–37.20]	37.59 [37.09–38.81]	+3.76%	是
64 B	1 ms	4/64	75.73 [75.64–75.86]	76.85 [76.69–77.04]	+1.48%	否
4 KiB	连续	1/1	132.16 [132.02–132.25]	132.24 [132.17–132.32]	+0.06%	是
4 KiB	连续	1/4	129.72 [129.32–129.81]	129.65 [129.63–129.84]	−0.06%	是
4 KiB	连续	1/16	129.64 [129.60–129.76]	129.54 [129.45–129.81]	−0.08%	是
4 KiB	连续	1/64	129.59 [129.42–129.71]	129.67 [129.60–129.71]	+0.06%	是
4 KiB	连续	4/4	165.68 [165.62–166.73]	166.33 [166.09–166.66]	+0.39%	是
4 KiB	连续	4/16	165.73 [165.71–166.65]	166.18 [166.05–166.88]	+0.27%	是
4 KiB	连续	4/64	165.66 [165.47–166.70]	166.16 [165.71–166.65]	+0.30%	是
4 KiB	1 ms	1/1	29.33 [27.66–31.25]	31.35 [30.69–31.47]	+6.91%	是
4 KiB	1 ms	1/4	23.16 [22.95–23.35]	21.94 [21.93–22.05]	−5.29%	否
4 KiB	1 ms	1/16	30.26 [30.25–30.43]	30.55 [30.50–30.56]	+0.99%	否
4 KiB	1 ms	1/64	30.31 [30.28–30.43]	30.64 [30.49–30.64]	+1.09%	否
4 KiB	1 ms	4/4	43.85 [22.55–47.60]	46.84 [45.81–50.67]	+6.81%	是
4 KiB	1 ms	4/16	41.01 [40.87–42.25]	42.62 [42.35–46.34]	+3.92%	否
4 KiB	1 ms	4/64	69.22 [69.18–69.25]	70.15 [69.96–70.48]	+1.35%	否

P50 响应时间（ms）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	0.088 [0.088–0.089]	0.086 [0.086–0.087]	−2.22%	否
64 B	连续	1/4	0.397 [0.394–0.400]	0.392 [0.390–0.398]	−1.19%	是
64 B	连续	1/16	1.577 [1.573–1.586]	1.596 [1.589–1.606]	+1.25%	否
64 B	连续	1/64	6.520 [6.281–6.537]	6.298 [6.255–6.328]	−3.41%	是
64 B	连续	4/4	0.108 [0.107–0.109]	0.108 [0.107–0.108]	−0.23%	是
64 B	连续	4/16	0.431 [0.430–0.435]	0.431 [0.427–0.449]	+0.14%	是
64 B	连续	4/64	1.719 [1.717–1.722]	1.724 [1.720–1.737]	+0.29%	是
64 B	1 ms	1/1	0.999 [0.999–0.999]	1.000 [1.000–1.000]	+0.10%	否
64 B	1 ms	1/4	1.008 [1.006–1.010]	1.009 [1.002–1.012]	+0.09%	是
64 B	1 ms	1/16	1.480 [1.479–1.486]	1.492 [1.490–1.497]	+0.80%	否
64 B	1 ms	1/64	5.997 [5.996–6.007]	6.008 [5.997–6.032]	+0.18%	是
64 B	1 ms	4/4	0.989 [0.988–0.993]	1.000 [1.000–1.000]	+1.13%	否
64 B	1 ms	4/16	0.996 [0.996–0.996]	1.001 [1.000–1.001]	+0.46%	否
64 B	1 ms	4/64	1.872 [1.871–1.874]	1.878 [1.874–1.882]	+0.28%	是
4 KiB	连续	1/1	0.115 [0.114–0.115]	0.114 [0.114–0.115]	−0.62%	是
4 KiB	连续	1/4	0.495 [0.493–0.496]	0.494 [0.492–0.495]	−0.21%	是
4 KiB	连续	1/16	1.994 [1.970–1.998]	1.981 [1.951–1.991]	−0.66%	是
4 KiB	连续	1/64	7.951 [7.822–8.138]	7.878 [7.877–7.884]	−0.92%	是
4 KiB	连续	4/4	0.141 [0.140–0.142]	0.142 [0.141–0.142]	+0.59%	是
4 KiB	连续	4/16	0.566 [0.564–0.571]	0.572 [0.566–0.578]	+1.11%	是
4 KiB	连续	4/64	2.268 [2.261–2.275]	2.275 [2.257–2.279]	+0.29%	是
4 KiB	1 ms	1/1	0.998 [0.998–0.998]	0.998 [0.998–0.999]	+0.04%	否
4 KiB	1 ms	1/4	1.082 [0.998–1.190]	1.001 [1.001–1.001]	−7.52%	是
4 KiB	1 ms	1/16	1.987 [1.984–1.988]	1.993 [1.984–1.994]	+0.30%	是
4 KiB	1 ms	1/64	7.856 [7.802–7.881]	7.865 [7.856–7.882]	+0.12%	是
4 KiB	1 ms	4/4	0.991 [0.989–0.995]	0.999 [0.999–0.999]	+0.79%	否
4 KiB	1 ms	4/16	0.993 [0.993–0.994]	1.001 [1.001–1.003]	+0.81%	否
4 KiB	1 ms	4/64	2.062 [2.054–2.066]	2.072 [2.065–2.086]	+0.48%	是

P99 响应时间（ms）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	0.103 [0.101–0.110]	0.099 [0.099–0.099]	−3.73%	否
64 B	连续	1/4	0.427 [0.423–0.486]	0.441 [0.424–0.490]	+3.27%	是
64 B	连续	1/16	1.662 [1.650–1.734]	1.666 [1.653–1.714]	+0.22%	是
64 B	连续	1/64	6.995 [6.628–7.491]	6.572 [6.558–6.987]	−6.05%	是
64 B	连续	4/4	0.147 [0.145–0.151]	0.145 [0.145–0.147]	−0.82%	是
64 B	连续	4/16	0.613 [0.528–0.664]	0.570 [0.540–1.408]	−6.90%	是
64 B	连续	4/64	1.908 [1.896–1.927]	1.944 [1.918–1.955]	+1.88%	是
64 B	1 ms	1/1	1.454 [1.443–1.461]	1.157 [1.131–1.408]	−20.37%	否
64 B	1 ms	1/4	2.154 [2.126–2.160]	2.129 [2.125–2.158]	−1.17%	是
64 B	1 ms	1/16	2.420 [2.418–2.462]	2.441 [2.415–2.460]	+0.86%	是
64 B	1 ms	1/64	7.004 [7.001–7.175]	7.063 [6.988–7.539]	+0.84%	是
64 B	1 ms	4/4	1.443 [1.441–1.453]	1.449 [1.446–1.497]	+0.40%	是
64 B	1 ms	4/16	2.005 [2.001–2.138]	2.035 [1.996–2.138]	+1.50%	是
64 B	1 ms	4/64	2.470 [2.457–2.504]	2.473 [2.456–2.473]	+0.11%	是
4 KiB	连续	1/1	0.130 [0.129–0.134]	0.128 [0.124–0.129]	−1.54%	否
4 KiB	连续	1/4	0.521 [0.520–0.587]	0.533 [0.520–0.549]	+2.31%	是
4 KiB	连续	1/16	2.137 [2.129–2.235]	2.053 [2.038–2.296]	−3.93%	是
4 KiB	连续	1/64	8.281 [8.188–8.620]	8.219 [8.120–8.800]	−0.76%	是
4 KiB	连续	4/4	0.182 [0.182–0.188]	0.182 [0.182–0.184]	−0.09%	是
4 KiB	连续	4/16	0.677 [0.676–0.683]	0.733 [0.658–0.738]	+8.30%	是
4 KiB	连续	4/64	2.520 [2.464–2.623]	2.503 [2.447–2.588]	−0.65%	是
4 KiB	1 ms	1/1	1.457 [1.455–1.469]	1.431 [1.427–1.456]	−1.79%	是
4 KiB	1 ms	1/4	2.214 [2.134–2.229]	2.084 [2.054–2.103]	−5.86%	否
4 KiB	1 ms	1/16	2.768 [2.754–2.808]	2.751 [2.700–2.787]	−0.60%	是
4 KiB	1 ms	1/64	8.478 [8.450–8.553]	8.474 [8.474–8.483]	−0.05%	是
4 KiB	1 ms	4/4	1.462 [1.033–1.479]	1.469 [1.467–1.486]	+0.46%	是
4 KiB	1 ms	4/16	2.080 [2.041–2.113]	2.055 [2.039–2.070]	−1.22%	是
4 KiB	1 ms	4/64	3.325 [3.320–3.343]	3.336 [3.328–3.350]	+0.33%	是

进程峰值 RSS（MiB）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	5.594 [5.594–5.609]	5.625 [5.563–5.656]	+0.56%	是
64 B	连续	1/4	5.609 [5.594–5.609]	5.641 [5.609–5.656]	+0.56%	是
64 B	连续	1/16	5.609 [5.594–5.641]	5.641 [5.641–5.656]	+0.56%	是
64 B	连续	1/64	5.625 [5.609–5.656]	5.781 [5.766–5.797]	+2.78%	否
64 B	连续	4/4	5.906 [5.891–5.969]	5.953 [5.938–6.000]	+0.79%	是
64 B	连续	4/16	5.953 [5.906–5.984]	5.969 [5.953–5.969]	+0.26%	是
64 B	连续	4/64	5.953 [5.953–5.969]	6.125 [6.063–6.125]	+2.89%	否
64 B	1 ms	1/1	5.531 [5.516–5.531]	5.563 [5.547–5.578]	+0.56%	否
64 B	1 ms	1/4	5.563 [5.547–5.563]	5.563 [5.563–5.594]	+0.00%	是
64 B	1 ms	1/16	5.547 [5.531–5.578]	5.641 [5.625–5.656]	+1.69%	否
64 B	1 ms	1/64	5.563 [5.547–5.609]	5.734 [5.703–5.750]	+3.09%	否
64 B	1 ms	4/4	5.609 [5.609–5.609]	5.656 [5.656–5.672]	+0.84%	否
64 B	1 ms	4/16	5.719 [5.703–5.750]	5.781 [5.766–5.797]	+1.09%	否
64 B	1 ms	4/64	5.750 [5.750–5.766]	5.891 [5.875–5.906]	+2.45%	否
4 KiB	连续	1/1	5.641 [5.625–5.641]	5.672 [5.656–5.688]	+0.55%	否
4 KiB	连续	1/4	5.672 [5.656–5.688]	5.750 [5.750–5.750]	+1.38%	否
4 KiB	连续	1/16	5.813 [5.813–5.844]	5.859 [5.844–5.875]	+0.81%	是
4 KiB	连续	1/64	6.516 [6.516–6.531]	6.641 [6.641–6.672]	+1.92%	否
4 KiB	连续	4/4	6.094 [6.031–6.141]	6.156 [6.125–6.172]	+1.03%	是
4 KiB	连续	4/16	6.188 [6.172–6.203]	6.250 [6.219–6.266]	+1.01%	否
4 KiB	连续	4/64	6.875 [6.859–6.891]	7.016 [6.984–7.016]	+2.05%	否
4 KiB	1 ms	1/1	5.547 [5.531–5.578]	5.594 [5.563–5.609]	+0.85%	是
4 KiB	1 ms	1/4	5.609 [5.609–5.609]	5.688 [5.688–5.688]	+1.39%	否
4 KiB	1 ms	1/16	5.953 [5.922–5.984]	5.969 [5.953–5.984]	+0.26%	是
4 KiB	1 ms	1/64	6.453 [6.453–6.500]	6.609 [6.578–6.625]	+2.42%	否
4 KiB	1 ms	4/4	5.734 [5.734–5.750]	5.781 [5.766–5.797]	+0.82%	否
4 KiB	1 ms	4/16	6.109 [6.109–6.109]	6.172 [6.156–6.219]	+1.02%	否
4 KiB	1 ms	4/64	6.906 [6.906–6.938]	7.047 [7.016–7.063]	+2.04%	否

MySQL · TLS

吞吐量

CPU 占用

28 组配置的协程吞吐中位数相对回调变化为 −3.01%～+0.81%；其中 24/28 组的三次测量范围重叠。变化取决于配置，不作显著性结论。

响应时间与进程内存

P99

RSS

全部 28 组配对配置：吞吐、CPU、P50、P99、RSS

吞吐量（ops/s）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	4,994.9 [4,973.6–5,006.5]	4,933.1 [4,923.3–4,945.5]	−1.24%	否
64 B	连续	1/4	4,720.8 [4,720.7–4,731.6]	4,601.0 [4,564.7–4,609.8]	−2.54%	否
64 B	连续	1/16	4,665.5 [4,663.5–4,708.9]	4,555.6 [4,555.6–4,595.7]	−2.36%	否
64 B	连续	1/64	4,552.4 [4,538.2–4,590.4]	4,550.3 [4,485.9–4,557.3]	−0.04%	是
64 B	连续	4/4	14,894.2 [14,845.6–14,913.4]	14,833.0 [14,804.0–14,877.7]	−0.41%	是
64 B	连续	4/16	15,124.9 [15,071.7–15,140.7]	15,118.2 [14,588.3–15,124.7]	−0.04%	是
64 B	连续	4/64	15,067.2 [14,991.9–15,193.1]	15,127.0 [15,095.0–15,139.3]	+0.40%	是
64 B	1 ms	1/1	991.9 [979.5–999.7]	991.0 [986.2–996.7]	−0.10%	是
64 B	1 ms	1/4	3,564.0 [3,511.9–3,698.4]	3,517.3 [3,434.8–3,530.0]	−1.31%	是
64 B	1 ms	1/16	4,610.1 [4,528.9–4,610.7]	4,599.6 [4,594.7–4,602.0]	−0.23%	是
64 B	1 ms	1/64	4,594.4 [4,584.8–4,600.2]	4,589.9 [4,508.3–4,594.8]	−0.10%	是
64 B	1 ms	4/4	3,971.5 [3,967.3–3,975.4]	3,986.9 [3,940.9–3,988.1]	+0.39%	是
64 B	1 ms	4/16	13,798.9 [13,727.5–13,821.7]	13,832.0 [13,750.5–13,860.8]	+0.24%	是
64 B	1 ms	4/64	15,566.6 [15,522.0–15,613.4]	15,499.1 [15,478.4–15,611.8]	−0.43%	是
4 KiB	连续	1/1	4,378.3 [4,325.6–4,387.1]	4,379.2 [4,316.8–4,391.7]	+0.02%	是
4 KiB	连续	1/4	4,212.4 [4,198.4–4,214.1]	4,183.9 [4,181.8–4,185.2]	−0.68%	否
4 KiB	连续	1/16	4,140.9 [4,114.9–4,190.4]	4,174.5 [4,170.5–4,181.2]	+0.81%	是
4 KiB	连续	1/64	4,168.6 [4,151.7–4,217.9]	4,171.5 [4,163.9–4,182.4]	+0.07%	是
4 KiB	连续	4/4	13,350.5 [13,131.8–13,479.5]	13,403.4 [13,394.9–13,404.3]	+0.40%	是
4 KiB	连续	4/16	13,435.9 [13,407.3–13,627.2]	13,463.4 [13,439.6–13,485.2]	+0.20%	是
4 KiB	连续	4/64	13,447.9 [13,388.2–13,455.6]	13,488.1 [13,153.8–13,569.0]	+0.30%	是
4 KiB	1 ms	1/1	994.8 [994.8–995.9]	993.9 [989.0–994.9]	−0.09%	是
4 KiB	1 ms	1/4	3,614.4 [3,550.8–3,630.1]	3,585.1 [3,563.8–3,639.8]	−0.81%	是
4 KiB	1 ms	1/16	4,360.5 [4,251.8–4,432.6]	4,229.2 [4,152.5–4,278.1]	−3.01%	是
4 KiB	1 ms	1/64	4,131.3 [4,126.4–4,182.6]	4,135.8 [4,133.0–4,144.4]	+0.11%	是
4 KiB	1 ms	4/4	3,988.1 [3,967.9–3,999.7]	3,979.6 [3,959.2–3,990.9]	−0.21%	是
4 KiB	1 ms	4/16	13,282.9 [13,220.8–13,336.3]	13,250.1 [13,210.9–13,261.1]	−0.25%	是
4 KiB	1 ms	4/64	13,717.2 [13,669.3–13,750.5]	13,716.9 [13,716.2–13,773.8]	−0.00%	是

客户端进程 CPU 占用（%）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	125.29 [124.89–125.30]	124.06 [123.67–124.34]	−0.98%	否
64 B	连续	1/4	124.85 [124.81–125.02]	122.95 [122.48–123.39]	−1.53%	否
64 B	连续	1/16	123.91 [123.79–124.51]	122.34 [122.15–122.80]	−1.26%	否
64 B	连续	1/64	122.25 [122.03–123.30]	122.21 [121.47–123.36]	−0.04%	是
64 B	连续	4/4	150.86 [150.83–150.93]	151.14 [150.91–151.42]	+0.18%	是
64 B	连续	4/16	151.53 [151.27–151.69]	151.64 [151.60–152.16]	+0.07%	是
64 B	连续	4/64	151.17 [151.09–151.21]	151.41 [151.20–151.47]	+0.15%	是
64 B	1 ms	1/1	25.59 [16.56–27.78]	25.56 [25.18–26.51]	−0.11%	是
64 B	1 ms	1/4	21.23 [21.01–21.36]	21.74 [21.21–21.99]	+2.39%	是
64 B	1 ms	1/16	24.43 [24.14–24.95]	24.73 [24.16–25.07]	+1.24%	是
64 B	1 ms	1/64	24.17 [23.84–24.48]	24.30 [23.18–24.36]	+0.55%	是
64 B	1 ms	4/4	42.95 [42.48–45.34]	46.92 [43.18–47.74]	+9.24%	是
64 B	1 ms	4/16	46.62 [46.25–46.73]	47.05 [47.02–47.09]	+0.94%	否
64 B	1 ms	4/64	53.89 [53.64–54.32]	54.61 [54.52–54.64]	+1.33%	否
4 KiB	连续	1/1	123.99 [123.50–124.76]	122.58 [122.54–123.63]	−1.14%	是
4 KiB	连续	1/4	123.16 [122.86–123.54]	122.23 [122.04–122.62]	−0.76%	否
4 KiB	连续	1/16	122.82 [122.71–123.12]	121.95 [121.76–122.26]	−0.71%	否
4 KiB	连续	1/64	124.23 [122.94–124.29]	124.02 [121.71–124.28]	−0.17%	是
4 KiB	连续	4/4	152.62 [152.56–153.20]	152.14 [151.88–152.31]	−0.31%	否
4 KiB	连续	4/16	152.93 [152.89–152.96]	152.71 [152.28–152.76]	−0.14%	否
4 KiB	连续	4/64	151.33 [151.28–151.76]	151.49 [150.94–151.83]	+0.11%	是
4 KiB	1 ms	1/1	25.12 [24.23–25.24]	27.20 [26.49–28.60]	+8.27%	否
4 KiB	1 ms	1/4	21.24 [21.17–21.33]	21.70 [21.66–21.74]	+2.18%	否
4 KiB	1 ms	1/16	24.89 [24.57–25.22]	25.28 [23.68–25.55]	+1.58%	是
4 KiB	1 ms	1/64	24.30 [23.91–25.06]	24.30 [24.18–24.36]	−0.00%	是
4 KiB	1 ms	4/4	41.86 [40.43–44.90]	46.02 [30.98–47.95]	+9.94%	是
4 KiB	1 ms	4/16	52.96 [52.46–53.11]	53.70 [53.46–53.89]	+1.40%	否
4 KiB	1 ms	4/64	54.93 [54.80–55.47]	55.57 [55.37–56.03]	+1.16%	是

P50 响应时间（ms）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	0.198 [0.197–0.198]	0.203 [0.202–0.203]	+2.62%	否
64 B	连续	1/4	0.845 [0.844–0.845]	0.870 [0.869–0.879]	+3.00%	否
64 B	连续	1/16	3.428 [3.393–3.429]	3.522 [3.489–3.526]	+2.75%	否
64 B	连续	1/64	14.066 [13.923–14.085]	14.078 [14.072–14.089]	+0.08%	是
64 B	连续	4/4	0.267 [0.267–0.268]	0.268 [0.267–0.269]	+0.14%	是
64 B	连续	4/16	1.056 [1.056–1.061]	1.058 [1.058–1.071]	+0.11%	是
64 B	连续	4/64	4.238 [4.206–4.257]	4.226 [4.226–4.238]	−0.29%	是
64 B	1 ms	1/1	0.999 [0.999–1.000]	1.000 [1.000–1.000]	+0.04%	否
64 B	1 ms	1/4	1.000 [0.999–1.001]	1.003 [1.002–1.012]	+0.28%	否
64 B	1 ms	1/16	3.416 [3.405–3.528]	3.434 [3.427–3.440]	+0.54%	是
64 B	1 ms	1/64	13.981 [13.966–13.982]	13.984 [13.978–14.082]	+0.02%	是
64 B	1 ms	4/4	0.994 [0.994–0.995]	1.000 [0.999–1.000]	+0.54%	否
64 B	1 ms	4/16	1.027 [1.025–1.031]	1.029 [1.026–1.031]	+0.26%	是
64 B	1 ms	4/64	4.014 [4.012–4.023]	4.025 [4.019–4.026]	+0.27%	是
4 KiB	连续	1/1	0.226 [0.226–0.227]	0.228 [0.227–0.228]	+0.57%	是
4 KiB	连续	1/4	0.949 [0.948–0.952]	0.955 [0.954–0.956]	+0.69%	否
4 KiB	连续	1/16	3.826 [3.818–3.831]	3.829 [3.825–3.829]	+0.07%	是
4 KiB	连续	1/64	15.360 [15.324–15.380]	15.364 [15.338–15.394]	+0.03%	是
4 KiB	连续	4/4	0.298 [0.295–0.298]	0.297 [0.297–0.297]	−0.18%	是
4 KiB	连续	4/16	1.186 [1.169–1.191]	1.185 [1.183–1.188]	−0.12%	是
4 KiB	连续	4/64	4.745 [4.727–4.774]	4.737 [4.713–4.783]	−0.19%	是
4 KiB	1 ms	1/1	0.998 [0.998–0.998]	0.999 [0.999–0.999]	+0.03%	否
4 KiB	1 ms	1/4	0.998 [0.998–0.999]	1.001 [1.000–1.001]	+0.28%	否
4 KiB	1 ms	1/16	3.822 [3.717–3.890]	3.912 [3.872–3.940]	+2.38%	是
4 KiB	1 ms	1/64	15.461 [15.167–15.465]	15.341 [15.333–15.449]	−0.78%	是
4 KiB	1 ms	4/4	0.994 [0.992–0.994]	0.999 [0.998–1.000]	+0.52%	否
4 KiB	1 ms	4/16	1.036 [1.034–1.041]	1.057 [1.047–1.059]	+1.96%	否
4 KiB	1 ms	4/64	4.837 [4.824–4.846]	4.819 [4.815–4.858]	−0.37%	是

P99 响应时间（ms）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	0.221 [0.221–0.227]	0.222 [0.221–0.223]	+0.66%	是
64 B	连续	1/4	0.904 [0.898–0.907]	0.921 [0.915–0.924]	+1.82%	否
64 B	连续	1/16	3.580 [3.575–3.581]	3.619 [3.616–3.634]	+1.07%	否
64 B	连续	1/64	15.392 [14.781–15.411]	15.160 [14.264–21.343]	−1.51%	是
64 B	连续	4/4	0.328 [0.322–0.332]	0.338 [0.335–0.350]	+3.06%	否
64 B	连续	4/16	1.217 [1.190–1.224]	1.224 [1.193–1.879]	+0.59%	是
64 B	连续	4/64	4.789 [4.613–4.814]	4.598 [4.593–4.619]	−3.98%	是
64 B	1 ms	1/1	1.492 [1.292–1.499]	1.490 [1.474–1.824]	−0.11%	是
64 B	1 ms	1/4	2.112 [2.104–2.185]	2.143 [2.126–2.181]	+1.50%	是
64 B	1 ms	1/16	4.441 [4.418–4.487]	4.453 [4.439–4.457]	+0.27%	是
64 B	1 ms	1/64	15.087 [15.042–15.120]	15.090 [15.067–15.430]	+0.02%	是
64 B	1 ms	4/4	1.484 [1.482–1.485]	1.490 [1.481–1.872]	+0.42%	是
64 B	1 ms	4/16	2.304 [2.288–2.307]	2.273 [2.251–2.341]	−1.34%	是
64 B	1 ms	4/64	5.194 [5.178–5.209]	5.246 [5.184–5.277]	+1.01%	是
4 KiB	连续	1/1	0.255 [0.254–0.381]	0.248 [0.248–0.319]	−2.74%	是
4 KiB	连续	1/4	0.996 [0.993–0.999]	0.993 [0.990–0.993]	−0.38%	否
4 KiB	连续	1/16	4.954 [3.970–5.626]	3.976 [3.904–4.056]	−19.75%	是
4 KiB	连续	1/64	16.141 [15.818–16.351]	16.032 [15.657–16.246]	−0.67%	是
4 KiB	连续	4/4	0.379 [0.376–0.436]	0.374 [0.365–0.377]	−1.18%	是
4 KiB	连续	4/16	1.359 [1.336–1.394]	1.354 [1.354–1.362]	−0.37%	是
4 KiB	连续	4/64	5.347 [5.131–5.650]	5.086 [4.981–6.385]	−4.87%	是
4 KiB	1 ms	1/1	1.482 [1.481–1.485]	1.486 [1.483–1.923]	+0.25%	是
4 KiB	1 ms	1/4	2.240 [2.237–2.240]	2.238 [2.234–2.244]	−0.09%	是
4 KiB	1 ms	1/16	4.620 [4.514–4.743]	4.759 [4.683–5.035]	+3.01%	是
4 KiB	1 ms	1/64	16.466 [16.418–16.468]	16.476 [16.457–16.951]	+0.06%	是
4 KiB	1 ms	4/4	1.482 [1.479–1.513]	1.498 [1.489–1.557]	+1.13%	是
4 KiB	1 ms	4/16	2.382 [2.350–2.401]	2.368 [2.363–2.371]	−0.57%	是
4 KiB	1 ms	4/64	5.449 [5.436–5.449]	5.451 [5.448–5.452]	+0.04%	是

进程峰值 RSS（MiB）

消息体	更新间隔	连接／在途	回调中位数 [范围]	协程中位数 [范围]	协程变化	范围重叠
64 B	连续	1/1	8.219 [8.219–8.266]	8.328 [8.250–8.375]	+1.33%	是
64 B	连续	1/4	8.281 [8.266–8.281]	8.297 [8.266–8.375]	+0.19%	是
64 B	连续	1/16	8.281 [8.172–8.297]	8.406 [8.344–8.406]	+1.51%	否
64 B	连续	1/64	8.391 [8.344–8.422]	8.609 [8.594–8.688]	+2.61%	否
64 B	连续	4/4	9.125 [9.125–9.297]	9.234 [9.203–9.234]	+1.20%	是
64 B	连续	4/16	9.172 [9.141–9.234]	9.250 [9.219–9.297]	+0.85%	是
64 B	连续	4/64	9.234 [9.219–9.313]	9.500 [9.406–9.500]	+2.88%	否
64 B	1 ms	1/1	8.141 [8.141–8.188]	8.219 [8.219–8.281]	+0.96%	否
64 B	1 ms	1/4	8.203 [8.188–8.234]	8.266 [8.188–8.266]	+0.76%	是
64 B	1 ms	1/16	8.203 [8.125–8.219]	8.375 [8.297–8.375]	+2.10%	否
64 B	1 ms	1/64	8.313 [8.281–8.313]	8.531 [8.500–8.594]	+2.63%	否
64 B	1 ms	4/4	8.828 [8.781–8.828]	8.828 [8.781–9.000]	+0.00%	是
64 B	1 ms	4/16	8.969 [8.938–8.984]	9.031 [8.984–9.078]	+0.70%	是
64 B	1 ms	4/64	9.000 [8.984–9.078]	9.359 [9.281–9.375]	+3.99%	否
4 KiB	连续	1/1	8.391 [8.344–8.438]	8.469 [8.406–8.516]	+0.93%	是
4 KiB	连续	1/4	8.359 [8.344–8.438]	8.500 [8.406–8.516]	+1.68%	是
4 KiB	连续	1/16	8.688 [8.672–8.781]	8.781 [8.750–8.813]	+1.08%	是
4 KiB	连续	1/64	9.578 [9.531–9.641]	9.859 [9.844–9.875]	+2.94%	否
4 KiB	连续	4/4	9.594 [9.344–9.641]	9.547 [9.516–9.578]	−0.49%	是
4 KiB	连续	4/16	9.766 [9.688–9.797]	9.859 [9.797–9.906]	+0.96%	是
4 KiB	连续	4/64	10.672 [10.656–10.703]	10.891 [10.828–10.953]	+2.05%	否
4 KiB	1 ms	1/1	8.313 [8.234–8.359]	8.359 [8.359–8.406]	+0.56%	是
4 KiB	1 ms	1/4	8.406 [8.344–8.453]	8.438 [8.375–8.578]	+0.37%	是
4 KiB	1 ms	1/16	8.641 [8.625–8.719]	8.797 [8.781–8.797]	+1.81%	否
4 KiB	1 ms	1/64	9.547 [9.531–9.563]	9.797 [9.734–9.859]	+2.62%	否
4 KiB	1 ms	4/4	9.141 [9.063–9.266]	9.203 [9.172–9.203]	+0.68%	是
4 KiB	1 ms	4/16	9.688 [9.672–9.688]	9.813 [9.734–9.828]	+1.29%	否
4 KiB	1 ms	4/64	10.531 [10.484–10.594]	10.750 [10.609–10.766]	+2.08%	否

测量口径

项目	配置
机器	Mac mini Mac16,11 · Apple M4 Pro · 14 核（10 性能＋4 能效）· 48 GiB
系统／编译器	macOS 27.0.1（26A434）· LLVM 22.1.7 · Release，无 Sanitizer
依赖／数据库	Boost 1.90.0 · OpenSSL 3.6.4 · MySQL Community 8.4.11 · Redis 7.4.2
执行方式	一个所有者线程＋连接池共享一个 IO context／工作线程；连接数 1／4 不改变线程数；单机 IPv4 回环
操作	Redis 单条二进制 ECHO；MySQL 单条文本 SELECT，验证 TLS；64 B／4 KiB
更新与重复	连续轮询或 1 ms 间隔；回调／协程顺序交替；每组每种方式三次独立进程
数量	测量 5,044,224 次，预热 768,000 次；每进程固定次数，非固定时长
CPU	整个客户端进程，100%＝一个逻辑核心；不包含数据库进程
响应时间	所有者提交到所有者收到结果，包含连接租约／重置等待、IO、数据库和更新间隔
UTC 时间	2026-10-15T20:22:07Z～2026-10-15T20:31:57Z
源码	ark `ab6f82f320a472869a06e155c2c73c3d7728354b`；arknet `2aa5bc0ef7d383d8cfbc04520f3b952fa27c5fbd`

单次测量区间为 0.383～3.046 秒，其中 80/336 个区间短于 1 秒；这些结果不单独作为选型结论。连接、运行时构建和预热不计入测量；每请求的内容校验、结果所有权、后续提交以及协程任务和桥接处理计入墙钟时间／CPU。更新间隔不追赶错过的时钟刻度。每请求完成后归还租约并按原生池规则重置；这不是持有连接后连续发送的原生客户端峰值测试，也不是协议流水线测试。

各组固定操作数与原始证据

更新间隔	连接／在途	每进程测量数	每进程预热数
连续	1/1	10,000	1,000
连续	1/4	10,000	1,000
连续	1/16	10,000	1,000
连续	1/64	10,000	1,000
连续	4/4	40,000	4,000
连续	4/16	40,000	4,000
连续	4/64	40,000	4,000
1 ms	1/1	1,024	1,000
1 ms	1/4	4,096	1,000
1 ms	1/16	4,096	1,000
1 ms	1/64	4,096	1,000
1 ms	4/4	4,096	4,000
1 ms	4/16	16,384	4,000
1 ms	4/64	16,384	4,000

原始记录与源码／程序／依赖哈希保留在本机独立测量目录，未加入源码仓库，也未提供下载。生成器逐条比对 336 份进程输出、退出码和标准错误，再计算全部 56 组中位数、范围与变化。正式 C++ 基准用法包含编译、单项运行与指标定义。

哈希锁仅覆盖记录的 2,436 个输入；MySQL 的 @loader_path 相对动态库未形成完整的传递依赖哈希闭包。
记录的 ninja -n 输出含 CMake 重新生成提示；没有执行重新构建，也未事后补造测前哈希。上述限制不表示已发现依赖变化。

这些闭合循环、本机短时数据不证明饱和容量、跨主机表现、生产时长稳定性或集群 PCU。