Alexandre Moureaux
almouro.bsky.social
Alexandre Moureaux
@almouro.bsky.social
Love talking about #performance in #AndroidDev #ReactNative #Flutter
Created https://flashlight.dev 🔦

Also Christian ✝️, guinea pig lover 🐹, medieval history enthusiast 🏰
Investigating #performance issues on TV is wild 😅

🤯 One of the TV devices we're targeting for a #ReactNative app is
~20x slower than a Samsung A10s (already low-end)
~400x slower than iPhone 15

📈 It's a web-based TV, so we can use the A10s and apply 20x slowdown in Chrome to get similar perf 🥲
December 3, 2024 at 12:59 PM
A quick flashlight test on a A10S with one quick scroll shows:

- HEAVY JS usage
to the point where the list goes blank quickly (after a post from @tazsingh.com 😅)
- high UI thread usage as well, causing FPS drops

FlatList are notoriously difficult to optimize, I see a windowSize={11}, meaning...
November 19, 2024 at 9:44 AM
Unrelated but I got this screen when I tried to reply 😅 @bsky.app
Reply did go through though it would seem

(Using pixel 8 Android 14)
November 14, 2024 at 2:35 PM
Hello Bluesky 🦋! First post here!

So instead of saying something somewhat meaningful about mobile apps performance,
I'll just mention that funnily enough, this image is the first thing that pops when I google <my username> + BlueSky 😅

I am now a Portuguese medieval castelo 🏰
November 6, 2024 at 5:18 PM