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Optimize `TextRun::advance_for_range`. #8990

Merged
merged 3 commits into from Dec 17, 2015
Merged

Optimize `TextRun::advance_for_range`. #8990

merged 3 commits into from Dec 17, 2015
+71 −2

Commits on Dec 15, 2015

  1. util: Inline trivial range constructors. 

    These were showing up in the profile.
    @pcwalton
    pcwalton committed Dec 15, 2015
    6f2aa54

  2. gfx: Cache the total advance of each glyph store. 

    The total advance is asked for over and over.
    @pcwalton
    pcwalton committed Dec 15, 2015
    85c73de

Commits on Dec 16, 2015

  1. gfx: Cache the last result of 

    `TextRun::index_of_first_glyph_run_containing` in TLS.

This achieves a 40% or so hit rate on Wikipedia.
    @pcwalton
    pcwalton committed Dec 16, 2015
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    520c561
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