blob: 72853aed4d3cf1818fc51d77e2e18a48e2bdd9bf [file] [log] [blame]
// Copyright (c) 2016, 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.
import 'package:kernel/kernel.dart';
import 'dart:io';
final String usage = '''
Usage: serialize_bench INPUT.dill OUTPUT.dill
Deserialize INPUT and write it back to OUTPUT several times, measuring
the time it takes, including I/O time.
main(List<String> args) async {
if (args.length != 2) {
Component component = loadComponentFromBinary(args[0]);
String destination = args[1];
var watch = new Stopwatch()..start();
await writeComponentToBinary(component, destination);
int coldTime = watch.elapsedMilliseconds;
int numTrials = 10;
for (int i = 0; i < numTrials; ++i) {
await writeComponentToBinary(component, destination);
double hotTime = watch.elapsedMilliseconds / numTrials;
print('Cold time: $coldTime ms');
print('Hot time: $hotTime ms');