Super simple tool for measuring run time of your go code

If you need a library that can quickly benchmark your code without the need to deal with the time library from scratch. It is very simple, yet I find myself using it a lot on my personal projects.

go get -u github.com/Gurenax/go-bm

package main

import (
  bm "github.com/Gurenax/go-bm"
)

func main() {
  // Starting the Benchmark
  b := bm.BM{}
  b.Start()
  
  // Your function
  result := calculateSomething()
  
  // Ending the Benchmark
  b.End()
  
  // Displaying the Duration
  b.DurationInNanoseconds("Duration in Nanoseconds:") // Duration in Nanoseconds: 1720.000000ns
  b.DurationInMicroseconds("Duration in Microseconds:") // Duration in Microseconds: 1.720000µs
  b.DurationInMilliseconds("Duration in Milliseconds:") // Duration in Milliseconds: 0.001720ms
  b.DurationInSeconds("Duration in Seconds:") // Duration in Seconds: 0.000002s
}

type BM struct {
  startTime time.Time
  endTime   time.Time
  duration  time.Duration
}

The struct will contain the start and end time of the benchmark. This needs to be initialised as empty.
e.g. b := bm.BM{}

func (b *BM) Start()

The function populates the startTime value.

func (b *BM) End()

The function populates the endTime value and calculations the duration value.

func (b *BM) DurationInNanoseconds(label string)

The function prints out the duration in Nanoseconds.

func (b *BM) DurationInMicroseconds(label string)

The function prints out the duration in Microseconds.

func (b *BM) DurationInMilliseconds(label string)

The function prints out the duration in Milliseconds.

func (b *BM) DurationInSeconds(label string)

The function prints out the duration in Seconds.