Open Bug 1932240 Opened 1 year ago Updated 1 year ago

FlydOO Website is horribly Janky

Categories

(Core :: JavaScript Engine, defect, P3)

Product:
Core
Component:
JavaScript Engine
Type:
defect

Tracking

()

People

(Reporter: mgaudet, Unassigned)

References

(Blocks 1 open bug,
URL
)

Details

Smooth on Safari

Wierdly it's much less janky with the profiler running

https://share.firefox.dev/3ALpCw7

Huge amounts of minor GC it seems.

Testing the animation, I do not see janks, but it is not as smooth as one might expect. This is probably some overhead from the request animation frame JavaScript payload.

Given that 86% of code under requestAnimationFrame is JS, and that most of it is running Ion code … I will put it as a JIT bug despite not having a clue on what it is.

Blocks: sm-opt-jits
Severity: -- → S4
Type: task → defect
Priority: -- → P3
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