blob: c5fc42e16f80ac12a8044ae6ef6e853d8c18321c [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 'dart:io';
import 'package:kernel/kernel.dart';
import 'package:kernel/verifier.dart';
final String usage = '''
Usage: verify_bench FILE.dill
Measures the time it takes to run kernel verifier on the given component.
''';
main(List<String> args) {
if (args.length != 1) {
print(usage);
exit(1);
}
var component = loadComponentFromBinary(args[0]);
var watch = new Stopwatch()..start();
verifyComponent(component);
print('Cold: ${watch.elapsedMilliseconds} ms');
const int warmUpTrials = 20;
for (int i = 0; i < warmUpTrials; ++i) {
verifyComponent(component);
}
watch.reset();
const int numberOfTrials = 100;
for (int i = 0; i < numberOfTrials; ++i) {
verifyComponent(component);
}
double millisecondsPerRun = watch.elapsedMilliseconds / numberOfTrials;
print('Hot: $millisecondsPerRun ms');
}