loop v. nextTick benchmark

loop_v_nextTick.js

var startFast;
var startSlow;

var size = 1000000; // million

var fast = function () {
  for ( var i = 0; i < size; i++ ) {
    ( function () {
      var j = i;
      return function () {
        //console.log( 'loop ' + j );
        if ( j == ( size - 1 ) ) {
          console.log( 'loop result: ' + ( new Date() - startFast ) + 'ms' );
        }
      };
    })()();
  }
};

var slow = function () {
  for ( var k = 0; k < size; k++ ) {
    process.nextTick( ( function () {
      var j = k;
      return function () {
        //console.log( 'next ' + j );
        if ( j == ( size - 1 ) ) {
          console.log( 'nextTick result: ' + ( new Date() - startSlow ) + 'ms' );
        }
      };
    })() );
  }
};

startFast = new Date();
fast();

startSlow = new Date();
slow();