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