vy commented on PR #1639:
URL: https://github.com/apache/logging-log4j2/pull/1639#issuecomment-1658532004
@rgoers, I have benchmarked the new implementation (prefixed with `Vy` in
the results) against the old ones using Java 17.0.8 (Zulu) on my GNU/Linux
system:
```
Benchmark Mode Cnt Score
Error Units
latency3Params sample 1433326 177.957 ±
3.014 ns/op
latency3Params:latency3Params·p0.00 sample 131.000
ns/op
latency3Params:latency3Params·p0.50 sample 149.000
ns/op
latency3Params:latency3Params·p0.90 sample 189.000
ns/op
latency3Params:latency3Params·p0.95 sample 231.000
ns/op
latency3Params:latency3Params·p0.99 sample 299.000
ns/op
latency3Params:latency3Params·p0.999 sample 4762.768
ns/op
latency3Params:latency3Params·p0.9999 sample 29344.000
ns/op
latency3Params:latency3Params·p1.00 sample 458752.000
ns/op
latency3ParamsV2 sample 1097078 141.178 ±
4.841 ns/op
latency3ParamsV2:latency3ParamsV2·p0.00 sample 92.000
ns/op
latency3ParamsV2:latency3ParamsV2·p0.50 sample 111.000
ns/op
latency3ParamsV2:latency3ParamsV2·p0.90 sample 126.000
ns/op
latency3ParamsV2:latency3ParamsV2·p0.95 sample 194.000
ns/op
latency3ParamsV2:latency3ParamsV2·p0.99 sample 234.000
ns/op
latency3ParamsV2:latency3ParamsV2·p0.999 sample 4510.736
ns/op
latency3ParamsV2:latency3ParamsV2·p0.9999 sample 29376.000
ns/op
latency3ParamsV2:latency3ParamsV2·p1.00 sample 387072.000
ns/op
latency3ParamsVy sample 1078265 138.288 ±
2.333 ns/op
latency3ParamsVy:latency3ParamsVy·p0.00 sample 92.000
ns/op
latency3ParamsVy:latency3ParamsVy·p0.50 sample 111.000
ns/op
latency3ParamsVy:latency3ParamsVy·p0.90 sample 119.000
ns/op
latency3ParamsVy:latency3ParamsVy·p0.95 sample 195.000
ns/op
latency3ParamsVy:latency3ParamsVy·p0.99 sample 222.000
ns/op
latency3ParamsVy:latency3ParamsVy·p0.999 sample 8124.848
ns/op
latency3ParamsVy:latency3ParamsVy·p0.9999 sample 29957.549
ns/op
latency3ParamsVy:latency3ParamsVy·p1.00 sample 280576.000
ns/op
=========================================================================================
latency5Params sample 1725194 277.162 ±
2.627 ns/op
latency5Params:latency5Params·p0.00 sample 216.000
ns/op
latency5Params:latency5Params·p0.50 sample 237.000
ns/op
latency5Params:latency5Params·p0.90 sample 300.000
ns/op
latency5Params:latency5Params·p0.95 sample 342.000
ns/op
latency5Params:latency5Params·p0.99 sample 472.000
ns/op
latency5Params:latency5Params·p0.999 sample 9228.880
ns/op
latency5Params:latency5Params·p0.9999 sample 30063.376
ns/op
latency5Params:latency5Params·p1.00 sample 302080.000
ns/op
latency5ParamsV2 sample 1418889 186.454 ±
1.915 ns/op
latency5ParamsV2:latency5ParamsV2·p0.00 sample 134.000
ns/op
latency5ParamsV2:latency5ParamsV2·p0.50 sample 155.000
ns/op
latency5ParamsV2:latency5ParamsV2·p0.90 sample 200.000
ns/op
latency5ParamsV2:latency5ParamsV2·p0.95 sample 281.000
ns/op
latency5ParamsV2:latency5ParamsV2·p0.99 sample 314.000
ns/op
latency5ParamsV2:latency5ParamsV2·p0.999 sample 7617.760
ns/op
latency5ParamsV2:latency5ParamsV2·p0.9999 sample 29603.552
ns/op
latency5ParamsV2:latency5ParamsV2·p1.00 sample 110720.000
ns/op
latency5ParamsVy sample 1404473 186.567 ±
1.949 ns/op
latency5ParamsVy:latency5ParamsVy·p0.00 sample 136.000
ns/op
latency5ParamsVy:latency5ParamsVy·p0.50 sample 155.000
ns/op
latency5ParamsVy:latency5ParamsVy·p0.90 sample 167.000
ns/op
latency5ParamsVy:latency5ParamsVy·p0.95 sample 286.000
ns/op
latency5ParamsVy:latency5ParamsVy·p0.99 sample 309.000
ns/op
latency5ParamsVy:latency5ParamsVy·p0.999 sample 9672.416
ns/op
latency5ParamsVy:latency5ParamsVy·p0.9999 sample 30272.000
ns/op
latency5ParamsVy:latency5ParamsVy·p1.00 sample 40768.000
ns/op
=========================================================================================
latency7Params sample 1225848 369.877 ±
2.744 ns/op
latency7Params:latency7Params·p0.00 sample 297.000
ns/op
latency7Params:latency7Params·p0.50 sample 315.000
ns/op
latency7Params:latency7Params·p0.90 sample 392.000
ns/op
latency7Params:latency7Params·p0.95 sample 443.000
ns/op
latency7Params:latency7Params·p0.99 sample 645.000
ns/op
latency7Params:latency7Params·p0.999 sample 18112.000
ns/op
latency7Params:latency7Params·p0.9999 sample 31264.000
ns/op
latency7Params:latency7Params·p1.00 sample 280576.000
ns/op
latency7ParamsV2 sample 1944254 246.963 ±
1.646 ns/op
latency7ParamsV2:latency7ParamsV2·p0.00 sample 184.000
ns/op
latency7ParamsV2:latency7ParamsV2·p0.50 sample 209.000
ns/op
latency7ParamsV2:latency7ParamsV2·p0.90 sample 275.000
ns/op
latency7ParamsV2:latency7ParamsV2·p0.95 sample 373.000
ns/op
latency7ParamsV2:latency7ParamsV2·p0.99 sample 421.000
ns/op
latency7ParamsV2:latency7ParamsV2·p0.999 sample 7347.920
ns/op
latency7ParamsV2:latency7ParamsV2·p0.9999 sample 30112.000
ns/op
latency7ParamsV2:latency7ParamsV2·p1.00 sample 95616.000
ns/op
latency7ParamsVy sample 1770285 235.908 ±
2.137 ns/op
latency7ParamsVy:latency7ParamsVy·p0.00 sample 186.000
ns/op
latency7ParamsVy:latency7ParamsVy·p0.50 sample 196.000
ns/op
latency7ParamsVy:latency7ParamsVy·p0.90 sample 244.000
ns/op
latency7ParamsVy:latency7ParamsVy·p0.95 sample 383.000
ns/op
latency7ParamsVy:latency7ParamsVy·p0.99 sample 412.000
ns/op
latency7ParamsVy:latency7ParamsVy·p0.999 sample 6123.424
ns/op
latency7ParamsVy:latency7ParamsVy·p0.9999 sample 29792.000
ns/op
latency7ParamsVy:latency7ParamsVy·p1.00 sample 441344.000
ns/op
=========================================================================================
latency9Params sample 1847760 466.266 ±
2.067 ns/op
latency9Params:latency9Params·p0.00 sample 381.000
ns/op
latency9Params:latency9Params·p0.50 sample 411.000
ns/op
latency9Params:latency9Params·p0.90 sample 504.000
ns/op
latency9Params:latency9Params·p0.95 sample 630.000
ns/op
latency9Params:latency9Params·p0.99 sample 814.000
ns/op
latency9Params:latency9Params·p0.999 sample 16992.000
ns/op
latency9Params:latency9Params·p0.9999 sample 30976.000
ns/op
latency9Params:latency9Params·p1.00 sample 326144.000
ns/op
latency9ParamsV2 sample 1559018 294.029 ±
2.193 ns/op
latency9ParamsV2:latency9ParamsV2·p0.00 sample 225.000
ns/op
latency9ParamsV2:latency9ParamsV2·p0.50 sample 251.000
ns/op
latency9ParamsV2:latency9ParamsV2·p0.90 sample 351.000
ns/op
latency9ParamsV2:latency9ParamsV2·p0.95 sample 475.000
ns/op
latency9ParamsV2:latency9ParamsV2·p0.99 sample 534.000
ns/op
latency9ParamsV2:latency9ParamsV2·p0.999 sample 6727.848
ns/op
latency9ParamsV2:latency9ParamsV2·p0.9999 sample 28099.139
ns/op
latency9ParamsV2:latency9ParamsV2·p1.00 sample 292864.000
ns/op
latency9ParamsVy sample 1549119 299.646 ±
2.214 ns/op
latency9ParamsVy:latency9ParamsVy·p0.00 sample 231.000
ns/op
latency9ParamsVy:latency9ParamsVy·p0.50 sample 252.000
ns/op
latency9ParamsVy:latency9ParamsVy·p0.90 sample 299.000
ns/op
latency9ParamsVy:latency9ParamsVy·p0.95 sample 477.000
ns/op
latency9ParamsVy:latency9ParamsVy·p0.99 sample 544.000
ns/op
latency9ParamsVy:latency9ParamsVy·p0.999 sample 13662.080
ns/op
latency9ParamsVy:latency9ParamsVy·p0.9999 sample 30464.000
ns/op
latency9ParamsVy:latency9ParamsVy·p1.00 sample 329216.000
ns/op
```
Hence, I can confidently say that the new formatter is even faster!
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