36 строки
682 Б
Go
36 строки
682 Б
Go
package main
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import (
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"hash/maphash"
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"strconv"
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"testing"
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)
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var buf [8192]byte
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func BenchmarkMaphash(b *testing.B) {
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var h maphash.Hash
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benchmarkHash(b, "maphash", h)
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}
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func benchmarkHash(b *testing.B, str string, h maphash.Hash) {
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var sizes = []int{1, 2, 3, 4, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 1024, 8192}
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for _, n := range sizes {
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b.Run(strconv.Itoa(n), func(b *testing.B) { benchmarkHashn(b, int64(n), h) })
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}
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}
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var total uint64
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func benchmarkHashn(b *testing.B, size int64, h maphash.Hash) {
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b.SetBytes(size)
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sum := make([]byte, 4)
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for i := 0; i < b.N; i++ {
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h.Reset()
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h.Write(buf[:size])
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sum = h.Sum(sum[:0])
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total += uint64(sum[0])
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}
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}
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