Squeezing out the last 5% of performance: AGDE, profile-guided optimization, and automation
summary
AGDE adds instrumented PGO to Visual Studio for Android, promising around a 5% CPU win (sometimes more) by compiling counters, merging profiles from multiple runs, and improving branch layout, inlining, and code locality; AddressSanitizer and Hardware ASan are supported (ASan can double runtime cost, HWASan needs a special OS build); recommended is an input recording / semideterministic replay system for collecting coverage, CI-driven profile merges, device farm testing (Firebase), and QA multiplexing so one tester’s recording runs across many devices to catch regressions.
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chapters (10)
- 0:00Introduction to AGDE
- 1:08AGDE features and updates
- 3:30Debugging and monitoring
- 4:48Profile guided optimization
- 7:27How Pogo works
- 10:22Pogo benefits
- 12:57Input recording system
- 16:00Replay best practices
- 18:02Automation benefits
- 22:58Q&A session
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