This is the benchmark for different atomic counter libraries.
See atomiccounter for details.
- https://github.com/chen3feng/atomiccounter
- https://github.com/puzpuzpuz/xsync
- https://github.com/linxGnu/go-adder
- https://github.com/line/garr
The flowing is one of a typical test result, the format is manual adjusted for easy comparasion.
Test environment is a MacBookPro with MacOS 12.5.1 and Apple M1 Pro chip.
To reduce the test errors, there are 10 calls in eac 6691 h op.
% go test -bench .
goos: darwin
goarch: arm64
pkg: atomiccounter_bench
BenchmarkAdd_NonAtomic-10 49337793 22.02 ns/op
BenchmarkAdd_Atomic-10 206678 6854 ns/op
BenchmarkAdd_AtomicCounter-10 14658782 82.22 ns/op
BenchmarkAdd_XsyncCounter-10 9599529 144.6 ns/op
BenchmarkAdd_GoAdder-10 825858 1339 ns/op
BenchmarkAdd_GarrAdder-10 915090 1305 ns/op
BenchmarkRead_NonAtomic-10 263460258 4.087 ns/op
BenchmarkRead_Atomic-10 172530186 6.945 ns/op
BenchmarkRead_AtomicCounter-10 2793618 425.2 ns/op
BenchmarkRead_XSyncCounter-10 2396407 489.6 ns/op
BenchmarkRead_GoAdder-10 32101244 36.02 ns/op
BenchmarkRead_GarrAdder-10 29420326 35.40 ns/op
PASS
ok atomiccounter_bench 17.824sAnd under Linux with Intel x64 CPU:
$ go test -bench .
goos: linux
goarch: amd64
pkg: atomiccounter_bench
cpu: Intel(R) Xeon(R) Gold 6133 CPU @ 2.50GHz
BenchmarkAdd_NonAtomic-16 9742278 135.9 ns/op
BenchmarkAdd_Atomic-16 592616 1994 ns/op
BenchmarkAdd_AtomicCounter-16 7573634 164.7 ns/op
BenchmarkAdd_XsyncCounter-16 2981758 368.5 ns/op
BenchmarkAdd_GoAdder-16 981164 1220 ns/op
BenchmarkAdd_GarrAdder-16 854059 1228 ns/op
BenchmarkRead_NonAtomic-16 182763055 6.613 ns/op
BenchmarkRead_Atomic-16 179510284 6.689 ns/op
BenchmarkRead_AtomicCounter-16 2016202 595.7 ns/op
BenchmarkRead_XSyncCounter-16 2291866 522.0 ns/op
BenchmarkRead_GoAdder-16 30392547 39.07 ns/op
BenchmarkRead_GarrAdder-16 30492819 42.61 ns/op
PASS
ok atomiccounter_bench 18.570sAs you can see, atomiccounter is the fastest for writing (which is its major propose).