Benchmark for NodeJS and Ruby

bm.js

'use strict';

class MyClass {
    constructor(aa, bb) {
        this.a = aa;
        this.b = bb;
    }

    sum() {
        return this.a + this.b;
    }
}

const cnt = 10000000
const list = [];

for(let i = 0; i < cnt; i++) {
    list.push(new MyClass(i, i - 10));
}

let res = 0
list.forEach((it) => {
    res += it.sum();
});

console.log(res)

bm.rb

class MyClass
  def initialize(aa, bb)
    @a = aa
    @b = bb
  end

  def sum
    @a + @b
  end

end

cnt = 10000000
list = []
cnt.times.each do|i|
  list << MyClass.new(i, i - 10)
end

res = 0
list.each do|it|
  res += it.sum
end

puts res