ASSIGNED 113373
[HarfBuzz] Caching for HarfBuzzRun results 
https://bugs.webkit.org/show_bug.cgi?id=113373
Summary [HarfBuzz] Caching for HarfBuzzRun results
Dominik Röttsches (drott)
Reported 2013-03-27 01:43:18 PDT
Currently, too much shaping computation is done repeatedly. The complex font path would profit from caching shaping results on a level with a good hit rate. HarfBuzzRun seems to be that level. TextRun's are too coarse. See also: https://bugs.webkit.org/show_bug.cgi?id=37984#c31
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