Open Bug 1977138 Opened 3 months ago Updated 3 months ago

Testcase creating and immediately deleting Async XHR is 23x slower in Firefox compared to Chrome

Categories

(Core :: Networking, defect, P2)

defect

Tracking

()

People

(Reporter: mayankleoboy1, Unassigned)

References

(Blocks 2 open bugs)

Details

(Whiteboard: [necko-triaged][necko-priority-next])

Attachments

(1 file)

Open testcase
Enter 500000
Click Run

Firefox: https://share.firefox.dev/4loJqHr (17s)
Firefox with networking preset logging: https://share.firefox.dev/4lxnbiW
Chrome: https://share.firefox.dev/40DR7l5 (750ms)

Testcase generated using chatgpt. Very artificial, so feel free to WONTFIX/INVALID.

Yes, we know that when creating tons of HTTP requests, we are not fast enough.

Blocks: necko-perf
Severity: -- → S3
Priority: -- → P2
Whiteboard: [necko-triaged][necko-priority-next]

There is a testcase that stresses XHR (but in a different way) in bug 1944331. To me, they seemed different, and hence i created this separate bug. But feel free to dupe it over.

See Also: → 1944331
Blocks: 1980560
See Also: 1943230
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