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List: freetype-devel
Subject: [ft-devel] Adobe CFF engine way too slow
From: Behdad Esfahbod <behdad () behdad ! org>
Date: 2014-07-26 21:06:03
Message-ID: 53D4183B.8050008 () behdad ! org
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Hi,
I noticed that fontconfig caching (eg, running fc-query on font files) is five
times slower with Adobe CFF engine that it is with old engine. Fontconfig
loads all glyphs with FT_Load_Glyph().
With old engine:
behdad:source-han-sans 0$ time fc-query *.otf --format
'%{+style,weight{%{=unparse}}}\n'
:style=Bold:weight=200
:style=ExtraLight,Regular:weight=0
:style=Heavy,Bold:weight=210
:style=Light,Regular:weight=50
:style=Medium,Regular:weight=100
:style=Normal,Regular:weight=55
:style=Regular:weight=80
real 0m0.952s
user 0m0.927s
sys 0m0.024s
With Adobe engine:
behdad:source-han-sans 0$ time fc-query *.otf --format
'%{+style,weight{%{=unparse}}}\n'
:style=Bold:weight=200
:style=ExtraLight,Regular:weight=0
:style=Heavy,Bold:weight=210
:style=Light,Regular:weight=50
:style=Medium,Regular:weight=100
:style=Normal,Regular:weight=55
:style=Regular:weight=80
real 0m4.832s
user 0m4.782s
sys 0m0.045s
Any chance someone familiar with the code can look into it? I suppose this is
something that can easily be fixed. Maybe the new code doesn't respect
FT_LOAD_NO_HINTING?
Cheers,
--
behdad
http://behdad.org/
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