1925271 - eaglercraftx1-8.github.io - Game is lagging

Status: NEW

(Core :: Performance, defect)

Description

[ioanidapop]

Environment:
Operating system: Windows 10
Firefox version: Firefox 131.0.2 (release)/133

Preconditions:

• Clean profile

Steps to reproduce:

1. Navigate to: https://eaglercraftx1-8.github.io/eagler-files/1.8/resent4.0/index.html
2. Create a profile
3. Create New World
4. Start playing and observe the low fps

Expected Behavior:
The game does not lag and runs smoothly.

Actual Behavior:
The game is lagging.

Notes:

• Reproducible on the latest Firefox Release and Nightly
• Reproducible regardless of the ETP setting
• Works as expected using Chrome

---

Created from webcompat-user-report:b87dec72-8c5b-4f0e-9a2a-bb9d20418e68

Comment 1

[ioanidapop]

Attachment: low fps.mp4

Comment 2

[ioanidapop]

Performance profile: https://share.firefox.dev/3NyYkM4

Comment 3

[Dennis Schubert [:denschub]]

The profile is very angry and very janky in the end, moving to the Perf team's component.

Comment 4

[BugBot [:suhaib / :marco/ :calixte]]

This bug was moved into the Performance component.

:ipop, could you make sure the following information is on this bug?

• ✅ For slowness or high CPU usage, capture a profile with http://profiler.firefox.com/, upload it and share the link here.
• For memory usage issues, capture a memory dump from about:memory and attach it to this bug.
• Troubleshooting information: Go to about:support, click "Copy raw data to clipboard", paste it into a file, save it, and attach the file here.

If the requested information is already in the bug, please confirm it is recent.

Thank you.

Comment 5

[ioanidapop]

Attachment: firefox_raw_data.txt

Comment 6

[ioanidapop]

Attachment: memory-report.json

Comment 7

[ioanidapop]

Hello, I have attached the memory dump and the raw data you requested. If you need information please let me know.

Thanks.