How Flipkart scrolls at 60fps
summary
Flipkart measures a 3x faster fetch after switching from Core Data to Realm (3x faster fetches), restructures the data layer toward a Flux-like pattern to defer non‑critical work, and evaluates three UI stacks: Auto Layout (many frame drops), LayoutKit (about ten frame drops/sec), and AsyncDisplayKit / Texture (60fps, background rendering) which eliminates most jank. Homepage load and render times fall, crash‑free sessions rise from 99.4% to 99.8%, and transactions/ revenue per visit increase; tradeoffs include Realm model constraints and dependence on third‑party SDK fixes.
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chapters (10)
- 0:00Intro
- 0:20The problem
- 2:00The solutions
- 2:50Flux vs Realm
- 3:30Benefits of Realm
- 4:20Janky
- 4:50Main Thread
- 5:30Attempts
- 6:50Singh Display
- 7:30Results
