Open Bug 1943841 Opened 20 days ago Updated 17 days ago

Testcase generating 1000 iframes is 3.3x slower in Nightly and gets superlinearly slower with increase in number of iframes, uses more RAM, and memory doesnt get released fully if you reload the page

Categories

(Core :: DOM: Content Processes, enhancement)

enhancement

Tracking

()

People

(Reporter: mayankleoboy1, Unassigned)

References

Details

Attachments

(2 files)

Attached file iFrame.HTML

Open attached testcase.
Enter 1000 and press generate

1000 iframes
Nightly: https://share.firefox.dev/4av4tUl (11s)
Chrome: https://share.firefox.dev/40KDSiO (3.3s)

3000 iframe:
Nightly: https://share.firefox.dev/3WBSu1l (53s)
Chrome: https://share.firefox.dev/4gmwVcs (5s)

Testcase was generated using chatgpt.

Attached file about:support

Profile of reloading tab in background:
2000 iframes : https://share.firefox.dev/40DAMfo
4000 iframes: https://share.firefox.dev/3WzWFuR

Summary: Testcase generating 1000 iframes is 3.3x slower in Nightly and uses more RAM → Testcase generating 1000 iframes is 3.3x slower in Nightly and uses more RAM, and memory doesnt get released fully if you reload the page
Summary: Testcase generating 1000 iframes is 3.3x slower in Nightly and uses more RAM, and memory doesnt get released fully if you reload the page → Testcase generating 1000 iframes is 3.3x slower in Nightly and gets superlinearly slower with increase in number of iframes, uses more RAM, and memory doesnt get released fully if you reload the page
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