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golang で簡単なベンチをとる

Posted at

えっ、 golang で簡単なベンチマークを取りたい?そんな時にはこのスニペットがあなたのお役に立つはずです。

import (
  "time"
  "fmt"
)

func bench(label string, f func()) {
  now = time.Now()
  f()
  fmt.Println(label, ":", time.Now().Sub(now))  
}

あとはこんな感じで呼び出すだけ。

bench("process", func() { object.process() })

クロージャっぽいことできるから簡単ですね。

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