## Comparison with `tracing-subscriber` You can run this the suite using `tracing-subscriber` with: ``` RUSTFLAGS='--cfg bench_tracing_baseline' cargo bench -- --save-baseline tracing-subscriber ``` And then run the benchmark again using this library: ``` cargo bench -- --baseline tracing-subscriber ``` ### Results #### v0.1.1 ``` new_span/single_thread/1 time: [187.69 ns 188.37 ns 189.08 ns] thrpt: [5.2888 Melem/s 5.3086 Melem/s 5.3279 Melem/s] change: time: [-52.385% -52.213% -52.015%] (p = 0.00 < 0.05) thrpt: [+108.40% +109.26% +110.02%] Performance has improved. Found 2 outliers among 100 measurements (2.00%) 2 (2.00%) high mild new_span/multithreaded/1 time: [5.0995 µs 5.1833 µs 5.2690 µs] thrpt: [189.79 Kelem/s 192.93 Kelem/s 196.10 Kelem/s] change: time: [-78.716% -77.920% -77.127%] (p = 0.00 < 0.05) thrpt: [+337.19% +352.89% +369.85%] Performance has improved. Found 4 outliers among 100 measurements (4.00%) 2 (2.00%) low mild 2 (2.00%) high mild new_span/single_thread/10 time: [1.9265 µs 1.9310 µs 1.9357 µs] thrpt: [5.1662 Melem/s 5.1788 Melem/s 5.1908 Melem/s] change: time: [-50.981% -50.829% -50.664%] (p = 0.00 < 0.05) thrpt: [+102.69% +103.37% +104.00%] Performance has improved. Found 13 outliers among 100 measurements (13.00%) 9 (9.00%) high mild 4 (4.00%) high severe new_span/multithreaded/10 time: [9.4159 µs 9.5547 µs 9.7191 µs] thrpt: [1.0289 Melem/s 1.0466 Melem/s 1.0620 Melem/s] change: time: [-74.784% -73.499% -72.480%] (p = 0.00 < 0.05) thrpt: [+263.37% +277.34% +296.57%] Performance has improved. Found 7 outliers among 100 measurements (7.00%) 1 (1.00%) low mild 4 (4.00%) high mild 2 (2.00%) high severe new_span/single_thread/50 time: [10.237 µs 10.278 µs 10.323 µs] thrpt: [4.8433 Melem/s 4.8649 Melem/s 4.8842 Melem/s] change: time: [-48.086% -47.936% -47.756%] (p = 0.00 < 0.05) thrpt: [+91.410% +92.072% +92.624%] Performance has improved. Found 6 outliers among 100 measurements (6.00%) 6 (6.00%) high mild new_span/multithreaded/50 time: [26.990 µs 27.319 µs 27.667 µs] thrpt: [1.8072 Melem/s 1.8302 Melem/s 1.8526 Melem/s] change: time: [-74.114% -73.534% -72.993%] (p = 0.00 < 0.05) thrpt: [+270.27% +277.84% +286.30%] Performance has improved. Found 6 outliers among 100 measurements (6.00%) 1 (1.00%) low mild 5 (5.00%) high mild event/root/single_threaded/1 time: [497.48 ns 498.85 ns 500.33 ns] thrpt: [1.9987 Melem/s 2.0046 Melem/s 2.0101 Melem/s] change: time: [-58.535% -58.270% -57.920%] (p = 0.00 < 0.05) thrpt: [+137.64% +139.64% +141.17%] Performance has improved. Found 6 outliers among 100 measurements (6.00%) 4 (4.00%) high mild 2 (2.00%) high severe event/root/multithreaded/1 time: [5.8425 µs 5.9341 µs 6.0291 µs] thrpt: [165.86 Kelem/s 168.52 Kelem/s 171.16 Kelem/s] change: time: [-78.009% -76.339% -73.910%] (p = 0.00 < 0.05) thrpt: [+283.28% +322.64% +354.73%] Performance has improved. Found 4 outliers among 100 measurements (4.00%) 2 (2.00%) low mild 1 (1.00%) high mild 1 (1.00%) high severe event/unique_parent/single_threaded/1 time: [641.67 ns 643.06 ns 644.60 ns] thrpt: [1.5513 Melem/s 1.5551 Melem/s 1.5584 Melem/s] change: time: [-75.884% -75.830% -75.770%] (p = 0.00 < 0.05) thrpt: [+312.71% +313.74% +314.66%] Performance has improved. Found 6 outliers among 100 measurements (6.00%) 5 (5.00%) high mild 1 (1.00%) high severe event/unique_parent/multithreaded/1 time: [7.1797 µs 7.2862 µs 7.4150 µs] thrpt: [134.86 Kelem/s 137.25 Kelem/s 139.28 Kelem/s] change: time: [-78.334% -77.411% -76.535%] (p = 0.00 < 0.05) thrpt: [+326.17% +342.70% +361.56%] Performance has improved. Found 4 outliers among 100 measurements (4.00%) 1 (1.00%) low mild 3 (3.00%) high mild event/shared_parent/multithreaded/1 time: [7.4960 µs 7.6215 µs 7.7475 µs] thrpt: [129.07 Kelem/s 131.21 Kelem/s 133.40 Kelem/s] change: time: [-77.724% -76.392% -75.098%] (p = 0.00 < 0.05) thrpt: [+301.58% +323.59% +348.92%] Performance has improved. Found 1 outliers among 100 measurements (1.00%) 1 (1.00%) high mild event/multi-parent/multithreaded/1 time: [10.216 µs 10.376 µs 10.548 µs] thrpt: [94.801 Kelem/s 96.376 Kelem/s 97.885 Kelem/s] change: time: [-76.674% -75.840% -74.968%] (p = 0.00 < 0.05) thrpt: [+299.49% +313.91% +328.71%] Performance has improved. Found 12 outliers among 100 measurements (12.00%) 2 (2.00%) low mild 6 (6.00%) high mild 4 (4.00%) high severe event/root/single_threaded/10 time: [4.8850 µs 4.9149 µs 4.9525 µs] thrpt: [2.0192 Melem/s 2.0346 Melem/s 2.0471 Melem/s] change: time: [-58.129% -57.648% -57.100%] (p = 0.00 < 0.05) thrpt: [+133.10% +136.12% +138.83%] Performance has improved. event/root/multithreaded/10 time: [13.448 µs 13.855 µs 14.321 µs] thrpt: [698.29 Kelem/s 721.77 Kelem/s 743.61 Kelem/s] change: time: [-72.857% -71.089% -69.055%] (p = 0.00 < 0.05) thrpt: [+223.16% +245.89% +268.42%] Performance has improved. Found 5 outliers among 100 measurements (5.00%) 4 (4.00%) high mild 1 (1.00%) high severe event/unique_parent/single_threaded/10 time: [6.6395 µs 6.6628 µs 6.6878 µs] thrpt: [1.4953 Melem/s 1.5009 Melem/s 1.5061 Melem/s] change: time: [-75.174% -75.093% -75.019%] (p = 0.00 < 0.05) thrpt: [+300.31% +301.49% +302.81%] Performance has improved. Found 6 outliers among 100 measurements (6.00%) 6 (6.00%) high mild event/unique_parent/multithreaded/10 time: [14.951 µs 15.161 µs 15.379 µs] thrpt: [650.25 Kelem/s 659.60 Kelem/s 668.86 Kelem/s] change: time: [-81.822% -81.345% -80.810%] (p = 0.00 < 0.05) thrpt: [+421.11% +436.05% +450.12%] Performance has improved. Found 3 outliers among 100 measurements (3.00%) 2 (2.00%) high mild 1 (1.00%) high severe event/shared_parent/multithreaded/10 time: [18.349 µs 18.607 µs 18.881 µs] thrpt: [529.62 Kelem/s 537.44 Kelem/s 544.98 Kelem/s] change: time: [-80.082% -79.607% -79.118%] (p = 0.00 < 0.05) thrpt: [+378.89% +390.36% +402.06%] Performance has improved. Found 6 outliers among 100 measurements (6.00%) 1 (1.00%) low mild 4 (4.00%) high mild 1 (1.00%) high severe event/multi-parent/multithreaded/10 time: [33.293 µs 33.730 µs 34.199 µs] thrpt: [292.40 Kelem/s 296.47 Kelem/s 300.36 Kelem/s] change: time: [-83.615% -83.094% -82.570%] (p = 0.00 < 0.05) thrpt: [+473.72% +491.49% +510.33%] Performance has improved. Found 6 outliers among 100 measurements (6.00%) 5 (5.00%) high mild 1 (1.00%) high severe event/root/single_threaded/50 time: [25.595 µs 25.671 µs 25.755 µs] thrpt: [1.9414 Melem/s 1.9477 Melem/s 1.9535 Melem/s] change: time: [-57.180% -57.038% -56.893%] (p = 0.00 < 0.05) thrpt: [+131.98% +132.76% +133.54%] Performance has improved. Found 1 outliers among 100 measurements (1.00%) 1 (1.00%) high mild event/root/multithreaded/50 time: [37.453 µs 39.038 µs 40.700 µs] thrpt: [1.2285 Melem/s 1.2808 Melem/s 1.3350 Melem/s] change: time: [-74.368% -73.402% -72.358%] (p = 0.00 < 0.05) thrpt: [+261.77% +275.97% +290.13%] Performance has improved. Found 9 outliers among 100 measurements (9.00%) 7 (7.00%) high mild 2 (2.00%) high severe event/unique_parent/single_threaded/50 time: [32.737 µs 32.868 µs 33.005 µs] thrpt: [1.5149 Melem/s 1.5212 Melem/s 1.5273 Melem/s] change: time: [-75.443% -75.361% -75.273%] (p = 0.00 < 0.05) thrpt: [+304.41% +305.86% +307.22%] Performance has improved. Found 6 outliers among 100 measurements (6.00%) 6 (6.00%) high mild event/unique_parent/multithreaded/50 time: [47.636 µs 48.315 µs 49.058 µs] thrpt: [1.0192 Melem/s 1.0349 Melem/s 1.0496 Melem/s] change: time: [-83.557% -82.962% -82.335%] (p = 0.00 < 0.05) thrpt: [+466.11% +486.91% +508.18%] Performance has improved. Found 2 outliers among 100 measurements (2.00%) 1 (1.00%) low mild 1 (1.00%) high mild event/shared_parent/multithreaded/50 time: [67.386 µs 68.607 µs 69.865 µs] thrpt: [715.67 Kelem/s 728.79 Kelem/s 742.00 Kelem/s] change: time: [-82.195% -81.690% -81.210%] (p = 0.00 < 0.05) thrpt: [+432.20% +446.14% +461.64%] Performance has improved. Found 4 outliers among 100 measurements (4.00%) 3 (3.00%) low mild 1 (1.00%) high mild event/multi-parent/multithreaded/50 time: [268.57 µs 272.25 µs 275.93 µs] thrpt: [181.21 Kelem/s 183.65 Kelem/s 186.17 Kelem/s] change: time: [-89.114% -88.884% -88.642%] (p = 0.00 < 0.05) thrpt: [+780.41% +799.63% +818.58%] Performance has improved. Found 10 outliers among 100 measurements (10.00%) 3 (3.00%) low severe 3 (3.00%) low mild 4 (4.00%) high mild ```