code: function profile1() {
    var start, end;
    var totalTimes = [];
    var totalMS = 0;
    var loopIterations = P1_ITER;
    var idx, results;
    
    createDatabase(false);
    
    for(idx=0; idx<P1_ITER; idx++) {
      start = process.hrtime();
  
      results = coll.chain().simplesort("b").data();
  
      end = process.hrtime(start);
      totalTimes.push(end);
    }
    
    for (var idx = 0; idx < totalTimes.length; idx++) {
      totalMS += totalTimes[idx][0] * 1e3 + totalTimes[idx][1] / 1e6;
    }
  
    totalMS = totalMS.toFixed(2);
    var rate = loopIterations * 1000 / totalMS;
    rate = rate.toFixed(2);
    console.log("'a' unfiltered, 'b' unindexed : " + totalMS + "ms (" + rate + " ops/s) " + loopIterations + " iterations");
  }
docs: unindexed, unfiltered