cmath-benchmark
Benchmark for std::sqrt.
Builld
./ci/run_docker.sh
make
Test
./a.out
outputs:
sqrt1
1 1
2 1.41421
3 1.73205
4 2
-1 -nan
errno = 33
sqrt2
1 1
2 1.41421
3 1.73205
4 2
-1 -nan
errno = 0
Benchmark
./benchmark
outputs:
Running ./benchmark
Run on (6 X 2600 MHz CPU s)
CPU Caches:
L1 Data 32 KiB (x6)
L1 Instruction 32 KiB (x6)
L2 Unified 256 KiB (x6)
L3 Unified 9216 KiB (x6)
Load Average: 0.17, 0.07, 0.05
-----------------------------------------------------------
Benchmark Time CPU Iterations
-----------------------------------------------------------
BM_Sqrt1/1000000 4984457 ns 4946631 ns 115
BM_Sqrt2/1000000 1195070 ns 1192078 ns 553