sumbyindex.go

package main

import (
	"github.com/pkg/profile"
)

var n = 100000

func SumByIndex(n int) (sum int) {
	sliceint := make([]int, n)

	for x := 0; x < n; x++ {
		sliceint[x] = x
	}

	for x := 0; x < n; x++ {
		sum += sliceint[x]
	}

	return sum
}

func memProfile() (sum int) {
	defer profile.Start(
			profile.MemProfile,
			profile.ProfilePath("./"),
		).Stop()

	for x := 0; x < n; x++ {
		sum = SumByIndex(n)
	}

	return
}

func cpuProfile() (sum int) {
	defer profile.Start(
			profile.CPUProfile,
			profile.ProfilePath("./"),
		).Stop()

	for x := 0; x < n; x++ {
		sum = SumByIndex(n)
	}

	return
}

func main() {
	memProfile()
	cpuProfile()
}