flutter/dev/benchmarks/microbenchmarks/lib/foundation/timeline_bench.dart
auto-submit[bot] 8c264775bf
Reverts "Run all microbenchmarks (#154374)" (#154440)
Reverts: flutter/flutter#154374
Initiated by: jtmcdole
Reason for reverting: A different benchmark was using the microbenchmark parser and timing out.
Original PR Author: jtmcdole

Reviewed By: {zanderso}

This change reverts the following previous change:
Two things:

**Re-land**: Uninstall microbenchmarks before running them.
Flakes in #153828 stem from adb saying the app isn't installed, but then failing to install wtih `-r`. Several other tests uninstall the app before trying to run it. Previous fix called uninstall between tests, but iOS takes 12 to 13 seconds to perform uninstall / install, which timed out the test.  Just uninstall the one time since we only care about any lingering apps with different keys.
Potential solution #153828

**Make things go fast**
Instead of installing 21 different compilations of the same app to get results; compile and run them together. Locally on Mac+iOS, this should takes ~3 minutes instead of ~15 minutes.
2024-08-30 19:44:19 +00:00

54 lines
1.4 KiB
Dart

// Copyright 2014 The Flutter Authors. 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:flutter/foundation.dart';
import '../common.dart';
const int _kNumIterations = 10000;
void main() {
assert(false,
"Don't run benchmarks in debug mode! Use 'flutter run --release'.");
final BenchmarkResultPrinter printer = BenchmarkResultPrinter();
final Stopwatch watch = Stopwatch();
watch.start();
for (int i = 0; i < _kNumIterations; i += 1) {
FlutterTimeline.startSync('foo');
FlutterTimeline.finishSync();
}
watch.stop();
printer.addResult(
description: 'timeline events without arguments',
value: watch.elapsedMicroseconds.toDouble() / _kNumIterations,
unit: 'us per iteration',
name: 'timeline_without_arguments',
);
watch.reset();
watch.start();
for (int i = 0; i < _kNumIterations; i += 1) {
FlutterTimeline.startSync('foo', arguments: <String, dynamic>{
'int': 1234,
'double': 0.3,
'list': <int>[1, 2, 3, 4],
'map': <String, dynamic>{'map': true},
'bool': false,
});
FlutterTimeline.finishSync();
}
watch.stop();
printer.addResult(
description: 'timeline events with arguments',
value: watch.elapsedMicroseconds.toDouble() / _kNumIterations,
unit: 'us per iteration',
name: 'timeline_with_arguments',
);
printer.printToStdout();
}