Open
Bug 1981799
Opened 6 days ago
Updated 3 days ago
Testcase generating and registerin N MIME types is 20x slower in Firefox
Categories
(Core :: DOM: Core & HTML, defect, P3)
Core
DOM: Core & HTML
Tracking
()
NEW
People
(Reporter: mayankleoboy1, Unassigned)
References
(Blocks 1 open bug)
Details
Attachments
(1 file)
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1.53 KB,
text/html
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Details |
open testcase
Enter 50000
Click run
Chrome: https://share.firefox.dev/4lf2mHS (600ms)
Firefox: https://share.firefox.dev/47iFLGX (12s)
No idea how real-world this is. As usual, feel free to wontfix. Some of the "cleanup" stuff near the end may also be of interest.
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Reporter | |
Comment 1•6 days ago
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Gecko profile: https://share.firefox.dev/45i4EBz
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Comment 2•6 days ago
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ok, so this has nothing to do with mimetypes, but about creating embed element and its content.
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Comment 3•6 days ago
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There could be something interesting here based on the gecko profile.
Severity: -- → S3
Priority: -- → P3
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Description
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