package histogram import ( "sync" "testing" ) func BenchmarkFastUpdate(b *testing.B) { b.ReportAllocs() b.SetBytes(1) b.RunParallel(func(pb *testing.PB) { f := NewFast() var v float64 for pb.Next() { f.Update(v) v += 1.5 } SinkLock.Lock() Sink += f.Quantile(0.5) SinkLock.Unlock() }) } var Sink float64 var SinkLock sync.Mutex