gc-eval.js

#!/usr/bin/env node --trace_gc

# See also "Timers" in
# http://coding.smashingmagazine.com/2012/11/05/writing-fast-memory-efficient-javascript/

'use strict';

process.on('uncaughtException', function (err) {
  console.log('Caught exception: ' + err);
});

var counter = 0;
var wat = 0;

function incCounter(i) {
  wat += i;
  return ++counter;
}

for (var j=0; j < 10000; j++) {
  for (var i=0; i < 10000; i++) {
    var func = "function x_" + i + " () { return incCounter(" + i + "); };x_" + i + "();";
    eval(func);
  }

  console.log('Counter value: %s', counter);
}