executor-service/example.js

An "ExecutorService" implementation closely modeled after its java counterpart. Provides child-process executors to mimic multithreaded executors. Implements "createExecutor(module_path_or_local_fn, [module_or_fn_constructor_args]), and "createExecutorPoo

var ExecutorService = require("./lib/ExecutorService");
var executor = ExecutorService.createExecutorPool(1, function(){
  return {
    echo : function (x, cb) {
      return cb(null, x);
    }
  }
});

function syncLoop( amt, cb ) {
  var ct=0;
  var loop = function () {
    executor.invoke('echo',++ct,function (err, result){
      if (ct < amt) return loop();
      cb();
    }) 
  }
  loop();
}

function asyncLoop( amt, cb ) {
  var ct=0;
  var loop = function () {
    executor.invoke('echo',++ct,function (err, result){
      if (ct < amt) return;
      cb();
    }) 
  }
  for(var i=0; i<amt; i++) loop();
}


var start_sync = Date.now();
syncLoop(100000, function(){
  var ops = ( 100000/ (Date.now()-start_sync)) * 1000;
  console.log("syncLoop: %s ops/s",ops)

  var start_async = Date.now();
  asyncLoop(100000, function(){
    var ops = ( 100000/ (Date.now()-start_async)) * 1000;
    console.log("asyncLoop: %s ops/s",ops)
    process.exit();
  })
})