Benchmark different hashes

hash_bench_test.go

package main

import (
	"crypto/md5"
	"crypto/sha1"
	"crypto/sha256"
	"crypto/sha512"
	"hash"
	"hash/fnv"
	"testing"

	simdblake2b "github.com/minio/blake2b-simd"
	simdsha256 "github.com/minio/sha256-simd"
	"golang.org/x/crypto/blake2b"
	"golang.org/x/crypto/sha3"
	"lukechampine.com/blake3"
)

const (
	K       = 1024
	DATALEN = 1 * K
)

func runHash(b *testing.B, h hash.Hash, n int) {
	var data = make([]byte, n)
	for i := 0; i < n; i++ {
		data[i] = byte(i * i)
	}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		h.Reset()
		h.Sum(data)
	}
}

func BenchmarkFNV32(b *testing.B) {
	runHash(b, fnv.New32(), DATALEN)
}

func BenchmarkFNV64(b *testing.B) {
	runHash(b, fnv.New64(), DATALEN)
}

func BenchmarkFNV128(b *testing.B) {
	runHash(b, fnv.New128(), DATALEN)
}

func BenchmarkMD5(b *testing.B) {
	runHash(b, md5.New(), DATALEN)
}

func BenchmarkSHA1(b *testing.B) {
	runHash(b, sha1.New(), DATALEN)
}

func BenchmarkSHA224(b *testing.B) {
	runHash(b, sha256.New224(), DATALEN)
}

func BenchmarkSHA256(b *testing.B) {
	runHash(b, sha256.New(), DATALEN)
}

func BenchmarkSHA512(b *testing.B) {
	runHash(b, sha512.New(), DATALEN)
}

func BenchmarkBlake2b256(b *testing.B) {
	h, err := blake2b.New256(nil)
	if err != nil {
		panic(err)
	}
	runHash(b, h, DATALEN)
}

func BenchmarkSHA3_224(b *testing.B) {
	runHash(b, sha3.New224(), DATALEN)
}
func BenchmarkSHA3_256(b *testing.B) {
	runHash(b, sha3.New256(), DATALEN)
}

func BenchmarkSimdSHA256(b *testing.B) {
	runHash(b, simdsha256.New(), DATALEN)
}

func BenchmarkSimdBlake2b256(b *testing.B) {
	runHash(b, simdblake2b.New256(), DATALEN)
}

func BenchmarkBlake3_256(b *testing.B) {
	runHash(b, blake3.New(256, nil), DATALEN)
}

hash_bench_test_output.txt

cpu: Intel(R) Core(TM) i7-8565U CPU @ 1.80GHz
BenchmarkFNV32-8            	 6902038	       175.7 ns/op
BenchmarkFNV64-8            	 6833394	       178.3 ns/op
BenchmarkFNV128-8           	 6837572	       177.1 ns/op
BenchmarkMD5-8              	 4465626	       267.7 ns/op
BenchmarkSHA1-8             	 4065307	       293.5 ns/op
BenchmarkSHA224-8           	 3386400	       354.5 ns/op
BenchmarkSHA256-8           	 3388011	       355.0 ns/op
BenchmarkSHA512-8           	 2856084	       418.3 ns/op
BenchmarkBlake2b256-8       	 3856017	       310.7 ns/op
BenchmarkSHA3_224-8         	 1547455	       851.5 ns/op
BenchmarkSHA3_256-8         	 1241260	       987.8 ns/op
BenchmarkSimdSHA256-8       	 2663432	       450.7 ns/op
BenchmarkSimdBlake2b256-8   	 2463177	       487.8 ns/op
BenchmarkBlake3_256-8       	 1828723	       654.2 ns/op