https://bugs.kde.org/show_bug.cgi?id=468554
Bug ID: 468554
Summary: Significant browser performance hit when plasma
integration is enabled
Classification: Plasma
Product: plasma-browser-integration
Version: unspecified
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Firefox
Assignee: k...@privat.broulik.de
Reporter: lcs...@hotmail.com
Target Milestone: ---
SUMMARY
The extension being enabled on Firefox seems to have a significant impact in
the browser benchmark Speedometer 2.1 -
https://browserbench.org/Speedometer2.1/.
I'm consistently getting 150+ points with it disabled and nearly 30 points less
with it enabled, I can't see why such slow down would be needed to perform
normal operations. As a reference, uBlock Origin actively applying cosmetic
filters as the test runs has less of an impact (136± 2.6 points).
STEPS TO REPRODUCE
1. Go to https://browserbench.org/Speedometer2.1/
2. Run the test once with the extension enabled.
3. Disable extension and run it again.
OBSERVED RESULT
Extension disabled: 152± 4.0
Extension enabled: 127± 3.4
EXPECTED RESULT
Similar benchmark results regardless of the extension state.
SOFTWARE/OS VERSIONS
OS: Kubuntu 22.10
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.6
ADDITIONAL INFORMATION
Firefox version 113 beta. Similar results observed in 112 stable.
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