Simple line layout(regression): Calling innerText on RenderFlow with multiple childre...
[WebKit-https.git] / PerformanceTests / ChangeLog
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+2015-04-09  Zalan Bujtas  <zalan@apple.com>
+
+        Simple line layout(regression): Calling innerText on RenderFlow with multiple children is slow.
+        https://bugs.webkit.org/show_bug.cgi?id=143554
+
+        Reviewed by Antti Koivisto.
+
+        Initialize render flow's segments only when the render flow changes in TextIterator.
+        The included performance test shows 6x speedup. (from ~10 runs/sec to ~60 runs/sec)
+
+        * Layout/simple-line-layout-innertext.html: Added.
+
 2015-03-09  Chris Dumez  <cdumez@apple.com>
 
         [CG] Have Canvas use the IOSurfacePool