Limit the number of benchmark trials.

benchmark/benchmark.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library yaml.benchmark.benchmark;
 
 import 'dart:convert';
 import 'dart:io';
 
 import 'package:path/path.dart' as p;
 
 import 'package:yaml/yaml.dart';
 
-const numTrials = 10000000;
+const numTrials = 100;
 const runsPerTrial = 1000;
 
 final source = loadFile("input.yaml");
 final expected = loadFile("output.json");
 
 void main(List<String> args) {
   var best = double.INFINITY;
 
   // Run the benchmark several times. This ensures the VM is warmed up and lets
   // us see how much variance there is.
@@ skipping 40 matching lines @@
 }
 
 String padLeft(input, int length) {
   var result = input.toString();
   if (result.length < length) {
     result = " " * (length - result.length) + result;
   }
 
   return result;
 }