Test memory allocation

alloc.go

package main

import (
	"fmt"
	"os"
	"strconv"
)

func main() {
	if len(os.Args) != 2 {
		fmt.Fprintln(os.Stderr, "Usage:", os.Args[0], "<mem MB>")
		os.Exit(1)
	}
	mb, err := strconv.Atoi(os.Args[1])
	if err != nil {
		fmt.Fprintln(os.Stderr, "Invalid size:", os.Args[1])
		os.Exit(1)
	}
	fmt.Println("Allocating...")
	data := make([]byte, mb*(1<<20))
	fmt.Println("Overwriting with zeroes on loop...")
	for {
		for i := range data {
			data[i] = 0
		}
	}
}