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/*
* Minio Cloud Storage, (C) 2016 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 blake2b
import (
"crypto/md5"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"hash"
"testing"
)
func benchmarkHash(b *testing.B, hash func() hash.Hash) {
b.SetBytes(1024 * 1024)
var data [1024]byte
for i := 0; i < b.N; i++ {
h := hash()
for j := 0; j < 1024; j++ {
h.Write(data[:])
}
h.Sum(nil)
}
}
func BenchmarkComparisonMD5(b *testing.B) {
benchmarkHash(b, md5.New)
}
func BenchmarkComparisonSHA1(b *testing.B) {
benchmarkHash(b, sha1.New)
}
func BenchmarkComparisonSHA256(b *testing.B) {
benchmarkHash(b, sha256.New)
}
func BenchmarkComparisonSHA512(b *testing.B) {
benchmarkHash(b, sha512.New)
}
func BenchmarkComparisonBlake2B(b *testing.B) {
benchmarkHash(b, New512)
}
// Benchmark blake2b implementation.
var bench = New512()
var buf [128 * 1024]byte
func benchmarkSize(b *testing.B, size int) {
b.SetBytes(int64(size))
for i := 0; i < b.N; i++ {
bench.Reset()
bench.Write(buf[:size])
bench.Sum(nil)
}
}
// Benchmark writes of 64 bytes.
func BenchmarkSize64(b *testing.B) {
benchmarkSize(b, 64)
}
// Benchmark writes of 128 bytes.
func BenchmarkSize128(b *testing.B) {
benchmarkSize(b, 128)
}
// Benchmark writes of 1KiB bytes.
func BenchmarkSize1K(b *testing.B) {
benchmarkSize(b, 1024)
}
// Benchmark writes of 8KiB bytes.
func BenchmarkSize8K(b *testing.B) {
benchmarkSize(b, 8*1024)
}
// Benchmark writes of 32KiB bytes.
func BenchmarkSize32K(b *testing.B) {
benchmarkSize(b, 32*1024)
}
// Benchmark writes of 128KiB bytes.
func BenchmarkSize128K(b *testing.B) {
benchmarkSize(b, 128*1024)
}
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