a_test.go

package main

import (
  "crypto/sha1"
  "crypto/sha256"
  "crypto/sha512"
  "fmt"
  "hash"
  "testing"

  sha256simd "github.com/minio/sha256-simd"
  "golang.org/x/crypto/blake2b"
  "golang.org/x/crypto/sha3"
)

func inner(b *testing.B, h hash.Hash) {
  buf := make([]byte, 256*b.N)
  b.ResetTimer()
  _, _ = h.Write(buf)
  sum := h.Sum(nil)
  b.StopTimer()
  b.SetBytes(int64(len(buf)))
  fmt.Sprintf("%x", sum)
}

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

func BenchmarkSHA2_256(b *testing.B) {
  inner(b, sha256.New())
}

func BenchmarkSHA2SIMD_256(b *testing.B) {
  inner(b, sha256simd.New())
}

func BenchmarkSHA2_512(b *testing.B) {
  inner(b, sha512.New())
}

func BenchmarkSHA3_256(b *testing.B) {
  inner(b, sha3.New256())
}

func BenchmarkSHA3_512(b *testing.B) {
  inner(b, sha3.New512())
} 

func BenchmarkBlake2b_256(b *testing.B) {
  h, _ := blake2b.New256(nil)
  inner(b, h)
} 

func BenchmarkBlake2b_512(b *testing.B) {
  h, _ := blake2b.New512(nil)
  inner(b, h)
}

// Fails on macPro:
func BenchmarkSHA2AVX512_256(b *testing.B) {
  server := sha256simd.NewAvx512Server()
  inner(b, sha256simd.NewAvx512(server))
}

BenchmarkSHA1-12                 5000000               265 ns/op        4813942259.92 MB/s
BenchmarkSHA2_256-12             3000000               517 ns/op        1483726629.29 MB/s
BenchmarkSHA2SIMD_256-12         3000000               460 ns/op        1669159659.98 MB/s
BenchmarkSHA2_512-12             5000000               355 ns/op        3605129287.82 MB/s
BenchmarkSHA3_256-12             2000000               632 ns/op        809724346.58 MB/s
BenchmarkSHA3_512-12             1000000              1181 ns/op        216606125.54 MB/s
BenchmarkBlake2b_256-12         10000000               268 ns/op        9542180350.94 MB/s
BenchmarkBlake2b_512-12         10000000               205 ns/op        12454513659.27 MB/s