| # Run and compare benchmarks. | |
| # This requires a version of benchstat that supports | |
| # the -ignore flag. The flag was added on or before 13 January 2023, | |
| # so a compatible version can be obtained by running | |
| # go install golang.org/x/perf/cmd/benchstat@latest | |
| count = 10 | |
| default: compare-zap compare-zerolog | |
| compare-%: %_benchmarks/out.bench slog.bench | |
| benchstat -ignore pkg $^ | |
| slog.bench: *.go ../*.go ../../go.mod | |
| go test -run NONE -bench . -count $(count) > $@ | |
| slog-nopc.bench: *.go ../*.go ../../go.mod | |
| go test -nopc -run NONE -bench . -count $(count) > $@ | |
| %_benchmarks/out.bench: %_benchmarks/*.go %_benchmarks/go.mod | |
| go test -C $*_benchmarks -bench . -count $(count) > $@ | |
| # Don't delete the out.bench files after a comparison. | |
| .PRECIOUS: %_benchmarks/out.bench | |