microbench.txt

/* test.c */
#include <stdio.h>

#define LEN 200000000

void main() {
  static int arr[LEN];
  int i = 0;
  int result = 0;

  for(i = 0; i < LEN; i++) {
    arr[i] = 1;
  }
  
  for(i = 0; i < LEN; i++) {
    result += arr[i];
  }

  printf("%i\n", result);
}


/* test.go */
package main

import "fmt"

func main() {
	const length = 200000000
	var arr [length]int
	for i := 0; i < length; i++ {
		arr[i] = 1
	}

	result := 0
	for i := 0; i < length; i++ {
		result += arr[i]
	}

	fmt.Println(result)
}

# test.py
print sum(200000000 * [1])


=== Results ===
$ gcc test.c
$ time ./a.out
200000000

real	0m1.187s
user	0m1.034s
sys	0m0.109s

$ time go run test.go
200000000

real	0m1.086s
user	0m0.846s
sys	0m0.394s

$ time python test.py 
200000000

real	0m2.838s
user	0m2.483s
sys	0m0.290s

$ time pypy test.py 
200000000

real	0m1.022s
user	0m0.736s
sys	0m0.261s