Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 267c225fb2d3c6ba94a3426f442a6dda40eecb2d
https://github.com/WebKit/WebKit/commit/267c225fb2d3c6ba94a3426f442a6dda40eecb2d
Author: Brandon Stewart <[email protected]>
Date: 2024-06-28 (Fri, 28 Jun 2024)
Changed paths:
A PerformanceTests/Layout/auto-masonry-1000-columns-10000-items.html
M Source/WebCore/rendering/GridTrackSizingAlgorithm.cpp
Log Message:
-----------
Use a const & when when getting tracks in minSizeForChild
https://bugs.webkit.org/show_bug.cgi?id=275972
rdar://problem/130728344
Reviewed by Sammy Gill.
We are doing unnecessary copies of GridTracks when grabbing the allTracks.
Based on the microbenchmark I wrote it reduced masonry layout from ~1 minute to
~1 second.
Grid layout decreased from ~100 ms to ~30 ms.
Tested on M1 Ultra.
* PerformanceTests/Layout/auto-masonry-1000-columns-10000-items.html: Added.
* Source/WebCore/rendering/GridTrackSizingAlgorithm.cpp:
(WebCore::GridTrackSizingAlgorithmStrategy::minSizeForChild const):
Canonical link: https://commits.webkit.org/280473@main
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