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Dashboards

Highly summarized and numerical statuses.

• https://flutter-dashboard.appspot.com/benchmarks.html
  • [TODO] auto-regression alerts
• [TODO] issue count dashboard
  • "severe: performance" + "TODAY"
  • "severe: performance" + "severe: regression"
  • "severe: performance" + "severe: customer blocker"
  • "severe: performance" + "severe: customer critical"
  • "severe: performance"
• [TODO] infra perf
  • flakiness
  • test time

Tasks

Ongoing and planned work sorted by priority.

There is more performance work than what our limited resources can handle. Hence we're currently focusing on:

1. Measure engine size #31498

2. OOM crash #31303, #28307

3. Correct first frame waiting in flutter driver tests #31442

4. Add API to report missed frames #26154

5. Mention "release" and "profile" mode in "Get Started" #31439

6. Font loading jank on iOS during app launch and switch #28113; may depend on #19350

7. Initial shader compilation jank on flutter_gallery #813; depend on #31442

8. Slow bezier paths #27453; see also this comment

9. Raster cache option for rotation #24627; part of #27952

10. Show GPU thread times in Flutter Inspector IDE plugin #31444

11. Allow finer control of raster cache in RepaintBoundary #27952

12. Add API for asynchronously loading a font #19350

13. Support querying display refresh rate in engine for iOS and setup 120fps benchmarks on iPad Pro #31450

Documents

Design, reference, tutorial articles, and technical publications.

• Performance best practices
• How to profile and debug a performance issue
• [TODO] How to report a performance issue