Open
Bug 1867291
Opened 6 months ago
Updated 6 months ago
Firefox is 1.7x slower than Chrome on an online tool and spends tons of time in Baseline (time spent in array:splice?)
Categories
(Core :: JavaScript Engine, defect, P3)
Core
JavaScript Engine
Tracking
()
NEW
People
(Reporter: mayankleoboy1, Unassigned)
References
(Blocks 1 open bug, )
Details
Go to https://webbrowsertools.com/text-to-image/
Click on the "+" button and add a large-ish image
Click on convert
Firefox : https://share.firefox.dev/47zu0cJ (12s in the JS part)
Chrome: https://share.firefox.dev/40Z01IC (7s in the JS part)
Feel free to dupe to other "array:splice is slower in FF" bugs.
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Comment 1•6 months ago
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Yes it's mostly array splice time (the post write barrier and memcpy) but also some slow GetElem/SetElem property accesses.
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Updated•6 months ago
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Severity: -- → S3
Priority: -- → P3
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Updated•6 months ago
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Type: task → defect
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Description
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