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benchmarks_test.go
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benchmarks_test.go
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/*
* Minio Cloud Storage, (C) 2018 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main_test
import (
"crypto/md5"
"crypto/rand"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"github.com/minio/highwayhash"
sha256Avx512 "github.com/minio/sha256-simd"
"golang.org/x/crypto/blake2b"
"hash"
"testing"
)
const size = 5 * 1024 * 1024
func benchmarkHashWithKey(b *testing.B, hash func(key []byte) (hash.Hash, error)) {
var key [32]byte
data := make([]byte, size)
rand.Read(data)
b.SetBytes(size)
b.ResetTimer()
for i := 0; i < b.N; i++ {
h, _ := hash(key[:])
h.Write(data)
h.Sum(nil)
}
}
func benchmarkHash(b *testing.B, hash func() hash.Hash) {
data := make([]byte, size)
rand.Read(data)
b.SetBytes(size)
b.ResetTimer()
for i := 0; i < b.N; i++ {
h := hash()
h.Write(data)
h.Sum(nil)
}
}
func BenchmarkHighwayHash(b *testing.B) {
benchmarkHashWithKey(b, highwayhash.New)
}
func BenchmarkSHA256_AVX512(b *testing.B) {
benchmarkAvx512(b, size)
}
func BenchmarkBlake2b(b *testing.B) {
benchmarkHashWithKey(b, blake2b.New512)
}
func BenchmarkSHA1(b *testing.B) {
benchmarkHash(b, sha1.New)
}
func BenchmarkMD5(b *testing.B) {
benchmarkHash(b, md5.New)
}
func BenchmarkSHA512(b *testing.B) {
benchmarkHash(b, sha512.New)
}
func BenchmarkSHA256(b *testing.B) {
benchmarkHash(b, sha256.New)
}
// AVX512 code below
func benchmarkAvx512SingleCore(h512 []hash.Hash, body []byte) {
for i := 0; i < len(h512); i++ {
h512[i].Write(body)
}
for i := 0; i < len(h512); i++ {
_ = h512[i].Sum([]byte{})
}
}
func benchmarkAvx512(b *testing.B, size int) {
server := sha256Avx512.NewAvx512Server()
const tests = 16
body := make([]byte, size)
rand.Read(body)
b.SetBytes(int64(len(body) * tests))
b.ResetTimer()
for i := 0; i < b.N; i++ {
h512 := make([]hash.Hash, tests)
for i := 0; i < tests; i++ {
h512[i] = sha256Avx512.NewAvx512(server)
}
benchmarkAvx512SingleCore(h512, body)
}
}