dumb-benchmark

build.sh

GOAMD64=v2 go build foo.go

foo.go

package main

import (
  "time"
  "fmt"
)

var array [10000]int
 
func bench() {
  start := time.Now()
  for i := 0; i < 10000; i++ {
    for j := 0; j < 100000; j++ {
      array[i] = array[i] + j
    }
  }
  elapsed := time.Since(start)
  fmt.Printf("%d\n", elapsed.Milliseconds())
}

func main() {
  for i := 0; i < 10; i++ {
    bench()
  }
}

foo.js

const array = new Uint32Array(10000);
array.fill(10000)

function test () {
  const start = Date.now()
  for (let i = 0; i < 10000; i++) {
    for (let j = 0; j < 100000; j++) {
      array[i] = array[i] + j;
    }
  }
  const elapsed = Date.now() - start
  console.log(elapsed)
}

for (let i = 0; i < 10; i++) {
  test()
}