VictoriaMetrics/lib/stringsutil/stringsutil_timing_test.go

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package stringsutil
import (
"strings"
"sync/atomic"
"testing"
)
func BenchmarkAppendLowercase(b *testing.B) {
b.Run("ascii-all-lowercase", func(b *testing.B) {
benchmarkAppendLowercase(b, []string{"foo bar baz abc def", "23k umlkds", "lq, poweri2349)"})
})
b.Run("ascii-some-uppercase", func(b *testing.B) {
benchmarkAppendLowercase(b, []string{"Foo Bar baz ABC def", "23k umlKDs", "lq, Poweri2349)"})
})
b.Run("ascii-all-uppercase", func(b *testing.B) {
benchmarkAppendLowercase(b, []string{"FOO BAR BAZ ABC DEF", "23K UMLKDS", "LQ, POWERI2349)"})
})
b.Run("unicode-all-lowercase", func(b *testing.B) {
benchmarkAppendLowercase(b, []string{"хщцукодл длобючф дл", "23и юбывлц", "лф, длощшу2349)"})
})
b.Run("unicode-some-uppercase", func(b *testing.B) {
benchmarkAppendLowercase(b, []string{"Хщцукодл Длобючф ДЛ", "23и юбыВЛц", "лф, Длощшу2349)"})
})
b.Run("unicode-all-uppercase", func(b *testing.B) {
benchmarkAppendLowercase(b, []string{"ХЩЦУКОДЛ ДЛОБЮЧФ ДЛ", "23И ЮБЫВЛЦ", "ЛФ, ДЛОЩШУ2349)"})
})
}
func benchmarkAppendLowercase(b *testing.B, a []string) {
n := 0
for _, s := range a {
n += len(s)
}
b.ReportAllocs()
b.SetBytes(int64(n))
b.RunParallel(func(pb *testing.PB) {
var buf []byte
var n uint64
for pb.Next() {
buf = buf[:0]
for _, s := range a {
buf = AppendLowercase(buf, s)
}
n += uint64(len(buf))
}
GlobalSink.Add(n)
})
}
func BenchmarkStringsToLower(b *testing.B) {
b.Run("ascii-all-lowercase", func(b *testing.B) {
benchmarkStringsToLower(b, []string{"foo bar baz abc def", "23k umlkds", "lq, poweri2349)"})
})
b.Run("ascii-some-uppercase", func(b *testing.B) {
benchmarkStringsToLower(b, []string{"Foo Bar baz ABC def", "23k umlKDs", "lq, Poweri2349)"})
})
b.Run("ascii-all-uppercase", func(b *testing.B) {
benchmarkStringsToLower(b, []string{"FOO BAR BAZ ABC DEF", "23K UMLKDS", "LQ, POWERI2349)"})
})
b.Run("unicode-all-lowercase", func(b *testing.B) {
benchmarkStringsToLower(b, []string{"хщцукодл длобючф дл", "23и юбывлц", "лф, длощшу2349)"})
})
b.Run("unicode-some-uppercase", func(b *testing.B) {
benchmarkStringsToLower(b, []string{"Хщцукодл Длобючф ДЛ", "23и юбыВЛц", "лф, Длощшу2349)"})
})
b.Run("unicode-all-uppercase", func(b *testing.B) {
benchmarkStringsToLower(b, []string{"ХЩЦУКОДЛ ДЛОБЮЧФ ДЛ", "23И ЮБЫВЛЦ", "ЛФ, ДЛОЩШУ2349)"})
})
}
func benchmarkStringsToLower(b *testing.B, a []string) {
n := 0
for _, s := range a {
n += len(s)
}
b.ReportAllocs()
b.SetBytes(int64(n))
b.RunParallel(func(pb *testing.PB) {
var buf []byte
var n uint64
for pb.Next() {
buf = buf[:0]
for _, s := range a {
sLower := strings.ToLower(s)
buf = append(buf, sLower...)
}
n += uint64(len(buf))
}
GlobalSink.Add(n)
})
}
var GlobalSink atomic.Uint64