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6035698acb
`hashCode` is stable for the same inputs of `DateTime`; those inputs should be to the day only (oops).
86 lines
2.6 KiB
Dart
86 lines
2.6 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'dart:io';
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import 'package:path/path.dart' as path;
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import '../framework/devices.dart';
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import '../framework/framework.dart';
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import '../framework/task_result.dart';
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import '../framework/utils.dart';
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import '../microbenchmarks.dart';
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/// Creates a device lab task that runs benchmarks in
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/// `dev/benchmarks/microbenchmarks` reports results to the dashboard.
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TaskFunction createMicrobenchmarkTask({
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bool? enableImpeller,
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Map<String, String> environment = const <String, String>{},
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}) {
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// Generate a seed for this test stable around the date.
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final DateTime seedDate = DateTime.now().toUtc().subtract(const Duration(hours: 7));
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final int seed = DateTime(seedDate.year, seedDate.month, seedDate.day).hashCode;
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return () async {
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final Device device = await devices.workingDevice;
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await device.unlock();
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await device.clearLogs();
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final Directory appDir =
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dir(path.join(flutterDirectory.path, 'dev/benchmarks/microbenchmarks'));
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// Hard-uninstall any prior apps.
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await inDirectory(appDir, () async {
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section('Uninstall previous microbenchmarks app');
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await flutter(
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'install',
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options: <String>[
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'-v',
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'--uninstall-only',
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'-d',
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device.deviceId,
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],
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);
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});
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Future<Map<String, double>> runMicrobench(String benchmarkPath) async {
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Future<Map<String, double>> run() async {
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print('Running $benchmarkPath with seed $seed');
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final Process flutterProcess = await inDirectory(appDir, () async {
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final List<String> options = <String>[
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'-v',
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// --release doesn't work on iOS due to code signing issues
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'--profile',
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'--no-publish-port',
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if (enableImpeller != null && enableImpeller) '--enable-impeller',
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if (enableImpeller != null && !enableImpeller) '--no-enable-impeller',
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'-d',
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device.deviceId,
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'--dart-define=seed=$seed',
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benchmarkPath,
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];
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return startFlutter(
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'run',
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options: options,
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environment: environment,
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);
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});
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return readJsonResults(flutterProcess);
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}
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return run();
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}
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final Map<String, double> allResults = <String, double>{
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...await runMicrobench('lib/benchmark_collection.dart'),
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};
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return TaskResult.success(allResults,
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benchmarkScoreKeys: allResults.keys.toList());
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};
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}
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