1809387 - JS demo (https://www.fxhash.xyz/generative/slug/proto-alphabet) is slower in Nightly compared to Chrome

Status: NEW

(Core :: JavaScript Engine, task, P3)

Description

[Mayank Bansal]

Go to https://www.fxhash.xyz/generative/slug/proto-alphabet
Click on the "run" button below the image/demo pane on the right half of the page

Nightly: https://share.firefox.dev/3VZOIf5
Chrome: https://share.firefox.dev/3XnUIQ9

Comment 1

[Alice0775 White]

Attachment: screenshot

The resulting images differ between Chrome and Nightly110.0a1.

Comment 2

[Steven DeTar [:sdetar]]

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

Comment 3

[Jan de Mooij [:jandem]]

Quite a lot of time in ArrayConcat. There's also a ton of recursion with many kn functions on the stack.

Comment 4

[Mayank Bansal]

Latest profile is improved by 50%: https://share.firefox.dev/3H57zkc

Comment 5

[Mayank Bansal]

Nightly is 2x slower here :
Chrome: https://share.firefox.dev/46NYOpl (1.6s)
Nightly: https://share.firefox.dev/3FgHNs4 (3.2s)

Comment 6

[Mayank Bansal]

Latest profile: https://share.firefox.dev/4iQPRT9 (3.1s)

Comment 7

[Mayank Bansal]

Latest profile: https://share.firefox.dev/3WamfWY (2.5s)
Improvement here.