Open Bug 1809419 Opened 1 year ago Updated 1 year ago

JS demo (https://www.fxhash.xyz/generative/slug/industrial-devolution-1) is slower in Nightly compared to Chrome

Categories

(Core :: JavaScript Engine, task, P3)

task

Tracking

()

People

(Reporter: mayankleoboy1, Unassigned)

References

(Blocks 1 open bug)

Details

Go to https://www.fxhash.xyz/generative/slug/industrial-devolution-1
Click on "Run" button

AR: Nightly draws the demo slower than Chrome
https://share.firefox.dev/3GTGQYs

Jan, could you evaluate this. I will just make it a P3 for now.

Severity: -- → N/A
Flags: needinfo?(jdemooij)
Priority: -- → P3

P3 seems reasonable.

The main thing standing out here is Math.min with 5 arguments whereas we currently optimize 1-4 arguments. There's also a lot of time in array iterator next, it will be easier to analyze that when we have JIT information in the profiler.

Flags: needinfo?(jdemooij)
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