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| From: | YAMAMOTO Mitsuharu |
| Subject: | Re: Low redisplay performance (23 regression) |
| Date: | Thu, 23 Apr 2009 07:58:56 +0900 |
| User-agent: | Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shijō) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) |
>>>>> On Wed, 22 Apr 2009 17:30:37 +0200, Daniel Clemente <address@hidden> said:
> I haven't compared Emacs 22 and 23, but from a subjective point of
> view I have noticed that latest Emacs 23 feels slow and updates too
> much for a modern computer. Some particular problems I noticed
> randomly:
Which font backend driver are you using? You can check it with (cdr
(assq 'font-backend (frame-parameters))). I found the ftx font driver
was much slower than the xft one partly because of repeated
calculations of font metrics. (So I added some cache code to
ftcrfont.c in my latest cairo patch posted here).
YAMAMOTO Mitsuharu
address@hidden
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