package main

import (
	"fmt"
	"runtime"
)

func main() {
	fmt.Println("Jumlah core CPU :", runtime.NumCPU())
	fmt.Println("GOMAXPROCS awal :", runtime.GOMAXPROCS(0))

	runtime.GOMAXPROCS(1)
	fmt.Println("GOMAXPROCS baru :", runtime.GOMAXPROCS(0))
}