VictoriaMetrics/lib/encoding/nearest_delta_timing_test.go

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2019-05-22 21:16:55 +00:00
package encoding
import (
"fmt"
"sync/atomic"
"testing"
)
func BenchmarkMarshalInt64NearestDelta(b *testing.B) {
for _, precisionBits := range []uint8{4, 64} {
b.Run(fmt.Sprintf("precisionBits_%d", precisionBits), func(b *testing.B) {
benchmarkMarshalInt64NearestDelta(b, precisionBits)
})
}
}
func benchmarkMarshalInt64NearestDelta(b *testing.B, precisionBits uint8) {
b.ReportAllocs()
b.SetBytes(int64(len(benchInt64Array)))
b.RunParallel(func(pb *testing.PB) {
var dst []byte
for pb.Next() {
dst, _ = marshalInt64NearestDelta(dst[:0], benchInt64Array, precisionBits)
atomic.AddUint64(&Sink, uint64(len(dst)))
}
})
}
func BenchmarkUnmarshalInt64NearestDelta(b *testing.B) {
b.ReportAllocs()
b.SetBytes(int64(len(benchInt64Array)))
b.RunParallel(func(pb *testing.PB) {
var dst []int64
var err error
for pb.Next() {
dst, err = unmarshalInt64NearestDelta(dst[:0], benchInt64NearestDeltaData, 0, len(benchInt64Array))
if err != nil {
panic(fmt.Errorf("unexpected error: %s", err))
}
atomic.AddUint64(&Sink, uint64(len(dst)))
}
})
}
var benchInt64NearestDeltaData = func() []byte {
data, _ := marshalInt64NearestDelta(nil, benchInt64Array, 4)
return data
}()