File: compare_test.go

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package compare

import (
	"fmt"
	"testing"

	"github.com/cespare/xxhash"
	"github.com/zeebo/xxh3"
)

var acc uint64

func BenchmarkCompare(b *testing.B) {
	sizes := []int{
		0, 1, 3, 4, 8, 9, 16, 17, 32,
		33, 64, 65, 96, 97, 128, 129, 240, 241,
		512, 1024, 100 * 1024,
	}

	b.Run("Zeebo", func(b *testing.B) {
		for _, size := range sizes {
			b.Run(fmt.Sprintf("%d", size), func(b *testing.B) {
				b.SetBytes(int64(size))
				d := string(make([]byte, size))
				b.ReportAllocs()
				b.ResetTimer()

				for i := 0; i < b.N; i++ {
					acc += xxh3.HashString(d)
				}
			})
		}
	})

	b.Run("Cespare", func(b *testing.B) {
		for _, size := range sizes {
			b.Run(fmt.Sprintf("%d", size), func(b *testing.B) {
				b.SetBytes(int64(size))
				d := string(make([]byte, size))
				b.ReportAllocs()
				b.ResetTimer()

				for i := 0; i < b.N; i++ {
					acc += xxhash.Sum64String(d)
				}
			})
		}
	})
}