swebb2066 commented on PR #336:
URL: https://github.com/apache/logging-log4cxx/pull/336#issuecomment-1906927659
On Ubuntu gcc 9, benchmarks improve to:
| Benchmark | Time | CPU | Iterations |
| -------- | ------ | ------ | ------- |
| Testing disabled logging request | 0.475 ns | 0.475 ns | 1000000000 |
| Testing disabled logging request/threads:16 | 0.092 ns | 1.01 ns |
674392480 |
| Logging 5 char string using MessageBuffer, pattern: %m%n | 295 ns | 295
ns | 2369056 |
| Logging 5 char string using MessageBuffer, pattern: %m%n/threads:16 | 456
ns | 3678 ns | 203328 |
| Logging 49 char string using MessageBuffer, pattern: %m%n | 329 ns | 329
ns | 2124660 |
| Logging 49 char string using MessageBuffer, pattern: %m%n/threads:16 |
428 ns | 3500 ns | 172976 |
| Logging int value using MessageBuffer, pattern: %m%n | 513 ns | 513 ns |
1365225 |
| Logging int value using MessageBuffer, pattern: %m%n/threads:16 | 457 ns
| 3705 ns | 188320 |
| Logging int+float using MessageBuffer, pattern: %m%n | 906 ns | 906 ns |
769372 |
| Logging int+float using MessageBuffer, pattern: %m%n/threads:16 | 440 ns
| 3644 ns | 171664 |
| Logging int value using MessageBuffer, pattern: [%d] %m%n | 516 ns | 516
ns | 1368021 |
| Logging int value using MessageBuffer, pattern: [%d] [%c] [%p] %m%n | 515
ns | 515 ns | 1371139 |
| Logging 49 char string using FMT, pattern: %m%n | 288 ns | 288 ns |
2433169 |
| Logging 49 char string using FMT, pattern: %m%n/threads:16 | 367 ns |
2972 ns | 204304 |
| Logging int value using FMT, pattern: %m%n | 316 ns | 316 ns | 2175223 |
| Logging int value using FMT, pattern: %m%n/threads:16 | 430 ns | 3481 ns
| 199248 |
| Logging int+float using FMT, pattern: %m%n | 451 ns | 451 ns | 1553304 |
| Logging int+float using FMT, pattern: %m%n/threads:16 | 450 ns | 3659 ns
| 187680 |
| Async, int value using MessageBuffer, pattern: %m%n | 512 ns | 512 ns |
1367661 |
| Async, int value using MessageBuffer, pattern: %m%n/threads:16 | 516 ns |
4199 ns | 196688 |
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