swebb2066 commented on PR #290:
URL: https://github.com/apache/logging-log4cxx/pull/290#issuecomment-1813773710
Sample output:
`Run on (8 X 2195.17 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x4)
L1 Instruction 32 KiB (x4)
L2 Unified 256 KiB (x4)
L3 Unified 6144 KiB (x1)
Load Average: 0.19, 0.05, 0.01
---------------------------------------------------------------------------------------------------------
Benchmark Time
CPU Iterations
---------------------------------------------------------------------------------------------------------
Testing disabled logging request 0.474 ns
0.474 ns 1000000000
Testing disabled logging request/threads:6 0.141 ns
0.849 ns 809199660
Logging static string 440 ns
440 ns 1593110
Logging static string with FMT 410 ns
410 ns 1698828
Logging int value with FMT 433 ns
433 ns 1616415
Logging int value with FMT/threads:6 1404 ns
5644 ns 136392
Logging int+float with FMT 570 ns
570 ns 1217421
Logging int+float with FMT/threads:6 1383 ns
6659 ns 123738
Logging int value with std::ostream 600 ns
600 ns 1158536
Logging int value with std::ostream/threads:6 1150 ns
5969 ns 116046
Logging int+float with std::ostream 1202 ns
1202 ns 584309
Logging int+float with std::ostream/threads:6 1156 ns
6308 ns 116718
NoFormat pattern: %m%n 783 ns
783 ns 890198
DateOnly pattern: [%d] %m%n 784 ns
784 ns 893790
DateClassLevel pattern: [%d] [%c] [%p] %m%n 806 ns
806 ns 897228
Logging int value with std::ostream to AsyncAppender 596 ns
596 ns 1170299
Logging int value with std::ostream to AsyncAppender/threads:6 967 ns
5326 ns 131532
s`
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