The FreeType Project - Bugs: bug #54257, Unexceptably slow FT_New_Face for...
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bug #54257: Unexceptably slow FT_New_Face for PCF font
Submitter: | Alexei Podtelezhnikov <podtelez> | ||
Submitted: | Fri 06 Jul 2018 02:41:35 PM UTC | ||
Severity: | 3 - Normal | Item Group: | None |
Status: | None | Privacy: | Public |
Assigned to: | podtelez | Open/Closed: | Open |
Planned Release: | None |
Mon 24 Jun 2019 09:18:23 AM UTC, comment #5: |
Werner LEMBERG <wl> |
Sun 23 Jun 2019 07:21:54 PM UTC, comment #4: Gzipped PCF's are still hardly usable because each FT_Load_Glyph does "inflate".
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Alexei Podtelezhnikov <podtelez> |
Fri 21 Sep 2018 09:23:40 PM UTC, comment #3: Thanks for working on it. Both PCF and BDF drivers are contributed code... |
Werner LEMBERG <wl> |
Fri 21 Sep 2018 03:10:21 PM UTC, comment #2: Working with the gzipped file is too slow. It does not appear to be cached well too -- try waterfall plots in ftstring or ftview.
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Alexei Podtelezhnikov <podtelez> |
Fri 21 Sep 2018 03:02:52 PM UTC, comment #1: $ bin/ftbench ../unifont-11.0.01.pcf
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Alexei Podtelezhnikov <podtelez> |
Fri 06 Jul 2018 02:41:35 PM UTC, original submission:
Yes, this is a large font, but FT_New_Face is just awfully slow.
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Alexei Podtelezhnikov <podtelez> |
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Follow 2 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2019-06-23 | podtelez | Carbon-Copy | - | Added dxdy | |
2018-09-21 | wl | Assigned to | None | podtelez |
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Corresponding source code
Indeed:
This is a difference by approx. factor 300!