performace_measurement.go

package main

import (
	"fmt"
	"runtime"
)

func printMemStats() {
	var m runtime.MemStats
	runtime.ReadMemStats(&m)
	fmt.Printf("Alloc = %v MiB", bToMb(m.Alloc))
	fmt.Printf("\tTotalAlloc = %v MiB", bToMb(m.TotalAlloc))
	fmt.Printf("\tSys = %v MiB", bToMb(m.Sys))
	fmt.Printf("\tNumber of Garbase Collector  = %v\n", m.NumGC)
}

func bToMb(b uint64) uint64 {
	return b / 1024 / 1024
}	

func main() {
	fmt.Println("Mem Stats Before:")
	printMemStats()
	var s []int
	for i := 0; i < 1000000; i++ {
		s = append(s, i)
	}
	
	fmt.Println("Mem Stats After:")
	printMemStats()
	
	
}