Benchmarks with Go Fri, Jun 7, 2019

programming language go test benchmark hash algorithm go

Benchmark test in Go

hash_test.go

	package test

	import (
	"crypto/md5"
	"crypto/sha1"
	"crypto/sha256"
	"crypto/sha512"
	"hash"
	"hash/fnv"
	"log"
	"math/rand"
	"testing"
	)

	const (
	K = 1024
	DataSize = 1 * K
	)

	var data = make([]byte, DataSize)

	func init() {
	_, err := rand.Read(data)
	if err != nil {
	log.Fatal(err)
	}
	}

	func cal(t *testing.B, h hash.Hash, n int) {
	t.ResetTimer()
	for i := 0; i < t.N; i++ {
	h.Sum(data)
	}
	}

	func BenchmarkFNV32(t *testing.B) {
	cal(t, fnv.New32(), DataSize)
	}

	func BenchmarkFNV64(t *testing.B) {
	cal(t, fnv.New64(), DataSize)
	}

	func BenchmarkFNV128(t *testing.B) {
	cal(t, fnv.New128(), DataSize)
	}

	func BenchmarkMD5(t *testing.B) {
	cal(t, md5.New(), DataSize)
	}

	func BenchmarkSHA1(t *testing.B) {
	cal(t, sha1.New(), DataSize)
	}

	func BenchmarkSHA224(t *testing.B) {
	cal(t, sha256.New224(), DataSize)
	}

	func BenchmarkSHA256(t *testing.B) {
	cal(t, sha256.New(), DataSize)
	}

	func BenchmarkSHA512(t *testing.B) {
	cal(t, sha512.New(), DataSize)
	}

view raw hash_test.go hosted with ❤ by GitHub

Run code

go test hash_test.go -bench .

Result

goos: windows
goarch: amd64
BenchmarkFNV32-8         3000000               415 ns/op
BenchmarkFNV64-8         3000000               426 ns/op
BenchmarkFNV128-8        3000000               428 ns/op
BenchmarkMD5-8           2000000               589 ns/op
BenchmarkSHA1-8          2000000               708 ns/op
BenchmarkSHA224-8        2000000               883 ns/op
BenchmarkSHA256-8        2000000               854 ns/op
BenchmarkSHA512-8        2000000               991 ns/op
PASS
ok      command-line-arguments  17.893s