Accelerating on-device ML on Meta’s apps with ExecuTorch
WhatsApp/Messenger moved key models on-device; reduced model load & inference time and improved ANR metrics. (Engineering at Meta)
How Meta optimizes iOS performance
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How we think about Threads’ iOS performance
Meta fine-tunes Threads on iOS to keep it fast and frustration-free.
Bringing HDR video to Reels
Meta adds HDR video to Reels for sharper, richer playback vibes.
Deploying key transparency at WhatsApp
Meta rolls out key transparency to lock down WhatsApp’s security.
Why xHE-AAC is being embraced at Meta
Meta adopts xHE-AAC to pump up audio quality across their apps.
The evolution of Facebook’s iOS app architecture
Meta tells the 10-year tale of how their iOS app grew and changed.
Project LightSpeed: Rewriting the Messenger codebase for a faster, smaller, and simpler messaging app
Meta rebuilt Messenger from the ground up for speed and simplicity.
Efficient and healthy background data prefetching at Instagram
Instagram grabs data early in the background to keep scrolling smooth.
Battery instrumentation at Facebook
Meta hunts down battery hogs in their apps to keep phones alive longer.
The Mobile Device Lab at the Prineville Data Center
Meta’s lab in Prineville hammers apps to ensure they perform anywhere.
Automatic memory leak detection on iOS
Meta’s tools auto-catch iOS memory leaks, saving devs tons of time.
Optimizing Facebook for iOS start time
Meta tackled iOS startup piece by piece to get users in faster.
Reducing FOOMs in the Facebook iOS app
Meta cut memory crashes in their iOS app to keep it running smooth.
Mobile Performance: Tooling Infrastructure at Facebook
Meta’s tooling keeps their mobile apps running smooth and steady.