gistfile1.txt

var async = require('async');

function someFunc(i, callback){
  function cbWrapper(){
      callback(null, i);
  }
  i % 2 == 0 ? cbWrapper() : setTimeout(cbWrapper, 100);
}

var jobs = [];
for (var t = 0; t < 10; t++) {
  jobs.push( someFunc.bind(someFunc, t ) );
}

async.parallel([
  function(callback){
    async.parallel(jobs,callback);
  }
], function(err,res){
  console.log(res);
});