Episode 211: Rules about performance tools

In this episode Chet, Romain and Tor chat with Shai Barack about how the Android platform team studies performance and understands system health - and what is system health anyway? We talk about measuring performance, deciding trade-offs, and our favorite tools such as Perfetto, Compiler Explorer, and Android Studio's Memory Profiler.   Chapters: Intro (00:00) System health (0:27) Efforts to make apps more efficient (3:35) Telemetry data (5:59) Trade offs between long battery life and good performance (8:21) Scheduling groups (10:38) Static drain (13:32) Collaborating with App developers vs operating system (19:10) High refresh rates (23:26) Reach vs engagement (32:02) What tools does your team use to optimize performance? (34:10) Godbolt.org (37:09) Demystifying (39:39) The best tools are multi-player (43:52) R8 or R-Not? (45:42) Optimizing for feature sets (48:05) Tools, not Rules (50:08) What are the tools I should be aware of as an app developer looking to upscale performance? (54:36) Allocation tracker (55:37) Open source tools (57:08) Useful resources for devs to understand various tools (59:04) Final thoughts (1:06:19) Links: Compiler Explorer → https://goo.gle/3Zbq6DV  Perfetto → https://goo.gle/3OtD3UK and https://goo.gle/3B3S3p5  Tools, not Rules  → https://goo.gle/416CyY7    Shai:  Romain: @romainguy, threads.net/@romainguy, [email protected] Tor: threads.net/@tor.norbye and [email protected] Chet: @chethaase, threads.net/@chet.haase, and [email protected]   Catch videos on YouTube → https://goo.gle/adb-podcast   Subscribe to Android Developers  → https://goo.gle/AndroidDevs

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