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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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17289ff481
This increases relabeling performance by 3x for unoptimized regexs
32 lines
638 B
Go
32 lines
638 B
Go
package bytesutil
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import (
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"strings"
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"sync/atomic"
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"testing"
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)
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func BenchmarkFastStringTransformer(b *testing.B) {
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for _, s := range []string{"", "foo", "foo-bar-baz", "http_requests_total"} {
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b.Run(s, func(b *testing.B) {
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benchmarkFastStringTransformer(b, s)
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})
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}
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}
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func benchmarkFastStringTransformer(b *testing.B, s string) {
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fst := NewFastStringTransformer(strings.ToUpper)
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b.ReportAllocs()
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b.SetBytes(1)
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b.RunParallel(func(pb *testing.PB) {
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n := uint64(0)
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for pb.Next() {
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sTransformed := fst.Transform(s)
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n += uint64(len(sTransformed))
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}
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atomic.AddUint64(&GlobalSink, n)
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})
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}
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var GlobalSink uint64
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