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44 lines
740 B
Go
44 lines
740 B
Go
package promql
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import (
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"math/rand"
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"sync"
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"testing"
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)
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func BenchmarkRollupAvg(b *testing.B) {
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rfa := &rollupFuncArg{
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values: benchValues,
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}
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b.ReportAllocs()
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b.SetBytes(int64(len(benchValues)))
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b.RunParallel(func(pb *testing.PB) {
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var vSum float64
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for pb.Next() {
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vSum += rollupAvg(rfa)
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}
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SinkLock.Lock()
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Sink += vSum
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SinkLock.Unlock()
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})
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}
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var (
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// Sink is a global sink for benchmarks.
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// It guarantees the compiler doesn't remove the code in benchmarks,
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// which writes data to the Sink.
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Sink float64
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// SinkLock locks Sink.
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SinkLock sync.Mutex
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)
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var benchValues = func() []float64 {
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values := make([]float64, 1000)
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for i := range values {
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values[i] = rand.Float64() * 100
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}
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return values
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}()
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