Nov 26, 2024
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:
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Compiler Explorer → https://goo.gle/3Zbq6DV
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Perfetto → https://goo.gle/3OtD3UK and https://goo.gle/3B3S3p5
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Tools, not Rules → https://goo.gle/416CyY7
Shai:
Romain: @romainguy, threads.net/@romainguy, romainguy@androiddev.social
Tor: threads.net/@tor.norbye and tornorbye@androiddev.social
Chet: @chethaase, threads.net/@chet.haase, and chethaase@androiddev.social
Catch videos on YouTube → https://goo.gle/adb-podcast
Subscribe to Android Developers → https://goo.gle/AndroidDevs