There is hash_test.go
How to run each benchmark once to see the list of them
➜ go test -run=. -bench=. -benchtime=1x .
goos: linux
goarch: amd64
pkg: github.com/example/benchmark
cpu: 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz
Benchmark/load=RAM/hash=sha1-8 1 35781627 ns/op 33556616 B/op 8 allocs/op