Bug 1850824 Comment 0 Edit History

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Original comment by
on 
0.4% of our entire Speedometer 3 time is spent in `nsHTMLScrollFrame::GetScrolledRect`: https://share.firefox.dev/3qRY7Me

This function is called both during display list building and during layout.

If we can stop snapping the scroll range, for example by not having display item coordinates move during scrolling (and thus always snapping the same way regardless of scroll position), then our sp3 score will benefit.
Revision 1 by
on 
0.4% of our entire Speedometer 3 time is spent in `nsHTMLScrollFrame::GetScrolledRect`: https://share.firefox.dev/3qRY7Me

This function is called both during display list building and during layout.

If we can stop snapping the scroll range, for example by not having display item coordinates move during scrolling (and thus causing WR to always snap the same way regardless of scroll position), then our sp3 score will benefit.

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