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404655aae1
Match the example and integration test apps to the the properties in the `flutter create` template, updated in https://github.com/flutter/flutter/pull/156201. We discussed perhaps making this an auto-migration for existing Flutter apps (if they've never edited the template from the old values), but it probably makes sense for devs to manage this themselves depending on how beefy the machine they are running on is. Filed https://github.com/flutter/flutter/issues/163801 to show a nicer message when the user hits this so they can manage `java.lang.OutOfMemoryError: Java heap space` errors themselves. Speculatively hoping this helps with the `Java heap space` build test flakes https://github.com/flutter/flutter/issues/163121#issuecomment-2665783740 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md |
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microbenchmarks
To run these benchmarks on a device, first run flutter logs in one
window to see the device logs, then, in a different window, run:
flutter run -d $DEVICE_ID --profile lib/benchmark_collection.dart
To run a subset of tests:
flutter run -d $DEVICE_ID --profile lib/benchmark_collection.dart --dart-define=tests=foundation/change_notifier_bench.dart,language/sync_star_bench.dart
To specify a seed value for shuffling tests:
flutter run -d $DEVICE_ID --profile lib/benchmark_collection.dart --dart-define=seed=12345
The results should be in the device logs.
Avoid changing names of the benchmarks
Each microbenchmark is identified by a name, for example,
"catmullrom_transform_iteration". Changing the name passed to BenchmarkResultPrinter.addResult
will effectively remove the old benchmark and create a new one,
losing the historical data associated with the old benchmark in the process.