This adds a macrobenchmark representative of a real world application that uses SVG icons. The scenario of rasterizing complex paths that don't change over time does not seem to be covered by any other macrobenchmark and shows a significantly slower impeller performance compared to skia.
It's actually bit problematic to measure this because on A15 the CPU load with impeller is high enough to trigger CPU frequency change. So in order to get consistent reading I had to add a spinning background thread that would keep the CPU at highest frequency.
```objc
[NSThread detachNewThreadWithBlock:^{
while (true) {
pthread_yield_np();
}
}];
```
```bash
flutter drive --profile --local-engine=ios_profile -t test_driver/run_app.dart --driver test_driver/path_tessellation_static_perf_test.dart
```
| average_frame_build_time_millis |Time|
|--|--|
| Impeller | 0.46686524822695047 |
| Skia | 0.4625749999999999 |
| Skia - No RasterCache | 0.47173750000000086|
| average_frame_rasterizer_time_millis | Time |
|--|--|
| Impeller | 6.654328519855595 |
| Skia - Raster Cache | 0.2534123711340209 * |
| Skia - No RasterCache | 0.53424375 |
* Adding the `GeometryPainter` seems to have triggered the complexity threshold for raster cache.
<img alt="screenshot" width="320" src="https://github.com/flutter/flutter/assets/96958/7a2f9384-b512-477b-bffa-058d4d284a41"/>
* Add clipper raster cache benchmarks
* fix ci test error
* Add PhysicalModel widget to test
* Set top margin adaptive screen height
* Remove PhysicalModel
* Update project.pbxproj files to say Flutter rather than Chromium
Also, the templates now have an empty organization so that we don't cause people to give their apps a Flutter copyright.
* Update the copyright notice checker to require a standard notice on all files
* Update copyrights on Dart files. (This was a mechanical commit.)
* Fix weird license headers on Dart files that deviate from our conventions; relicense Shrine.
Some were already marked "The Flutter Authors", not clear why. Their
dates have been normalized. Some were missing the blank line after the
license. Some were randomly different in trivial ways for no apparent
reason (e.g. missing the trailing period).
* Clean up the copyrights in non-Dart files. (Manual edits.)
Also, make sure templates don't have copyrights.
* Fix some more ORGANIZATIONNAMEs
This reverts commit baea9bf7cc.
Additionally, we let the test run on mac8 with iphonexs because the test won't run on Xcode 10.1 (mac3-7). Hence we force it to run on mac8 which currently has Xcode 10.2.
This reverts commit af9f424d5d.
Reverts flutter/flutter#39439
Reason: this passed the local device lab test on my Macbook but it failed in the actual device lab. Will investigate, fix, and reland.
TBR: @dnfield @goderbauer @tvolkert @Hixie
For https://github.com/flutter/flutter/issues/33899
Test added:
- simple_animation_perf_ios
Test modified:
- backdrop_filter_perf_ios__timeline_summary
We'll add the CPU/GPU measurement to more iOS tests
once it's proven to be non-flaky.
* Add test case for Flutter Issue #27677 as a benchmark.
See https://github.com/flutter/flutter/issues/27677
I got the following results running the test on a Moto E2 which
will help us determine how much we can gain by analyzing the
operations and eliminating unnecessary repaints based on
dirty rectangles/regions.
no blurs - avg 216.0 fps over 3 samples
blur the group - avg 22.9 fps over 3 samples
blur each txt - avg 3.4 fps over 3 samples
* Added the new benchmark to be tracked on the dashboard.
