skia /
skia /
194cab0fd347bb71c586f14dd6a693330a7569ad use slope-guess for faster charToGlyph
Made up a threshold between linear and slope searching.
For a count of 100 here are the before and after timings.
The first two lines are being changed. The latter 2 are
the native look-ups for mac.
Before
15/15 MB 115 2.33µs 2.34µs 2.34µs 2.34µs 0% ▆▁▄█▇▇▂▄█▆ nonrendering cmap_findcache_charToGlyph
15/15 MB 66 3.47µs 3.48µs 3.49µs 3.55µs 1% █▁▁▁▂▁▁▁▁▄ nonrendering cmap_addcache_charToGlyph
15/15 MB 1 1.1µs 1.13µs 1.21µs 1.98µs 22% █▂▁▁▁▁▁▁▁▂ nonrendering cmap_face_charToGlyph
15/15 MB 190 1.09µs 1.1µs 1.19µs 1.64µs 17% ▁▁▁▆█▁▁▁▁▁ nonrendering cmap_font_charToGlyph
After
15/15 MB 447 448ns 449ns 448ns 449ns 0% ▂▅█▅▁▆█▂▁▆ nonrendering cmap_findcache_charToGlyph
15/15 MB 95 2.79µs 3.03µs 3µs 3.06µs 3% ▇▇▇▇▇███▄▁ nonrendering cmap_addcache_charToGlyph
15/15 MB 1 1.15µs 1.16µs 1.25µs 1.99µs 21% █▂▁▁▁▁▁▁▁▁ nonrendering cmap_face_charToGlyph
15/15 MB 186 1.09µs 1.1µs 1.12µs 1.27µs 5% █▁▁▁▂▁▁▁▁▁ nonrendering cmap_font_charToGlyph
Bug: skia:
Change-Id: If7da4eef3cce248393815071f342607f0c8140bb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/208044
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Reed <reed@google.com>
4 files changed
