Johnni Winther
34fb48bb8a
Migrates libraries dependent only on already migrated libraries. Change-Id: I0e85ee8dbc2afce031b92e0009e71c206a55af28 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179502 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Jens Johansen <jensj@google.com>
39 lines
1.0 KiB
Dart
39 lines
1.0 KiB
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.9
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import 'package:kernel/kernel.dart';
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import 'dart:io';
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final String usage = '''
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Usage: serialize_bench INPUT.dill OUTPUT.dill
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Deserialize INPUT and write it back to OUTPUT several times, measuring
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the time it takes, including I/O time.
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''';
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main(List<String> args) async {
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if (args.length != 2) {
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print(usage);
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exit(1);
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}
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Component component = loadComponentFromBinary(args[0]);
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String destination = args[1];
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var watch = new Stopwatch()..start();
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await writeComponentToBinary(component, destination);
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int coldTime = watch.elapsedMilliseconds;
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watch.reset();
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int numTrials = 10;
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for (int i = 0; i < numTrials; ++i) {
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await writeComponentToBinary(component, destination);
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}
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double hotTime = watch.elapsedMilliseconds / numTrials;
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print('Cold time: $coldTime ms');
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print('Hot time: $hotTime ms');
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}
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