Perhaps it's worth investigating if it's a problem that has come back in
the most recent
development versions or if the solution in version 2.11.43-2 only helped
for some users.
Could any of you seeing this problem try to install version 2.11.43-2 from
http://download.linuxaudio.org/lilypond/binaries/mingw/lilypond-2.11.43-2.mingw.exe
and see if it has the same problems. It's probably a good idea to remove
all files related
to the font cache first, so they don't interfere with the result.
Also, could you confirm if you run with full administrator privileges or
as an ordinary user?
/Mats
Jonathan Kulp wrote:
Han-Wen Nienhuys wrote:
On Thu, Nov 13, 2008 at 9:19 AM, Trevor Daniels
<[EMAIL PROTECTED]> wrote:
Trevor is correct. Every instance of lilypond slowness was caused by
fontconfig caches. The problem is that there are a bazillion of
windows versions; I'm not talking about XP vs. Vista but rather
distinctions in minor version numbers, and perhaps changes that vendor
do on top of that. For some versions, the fontconfig cache ends up
not getting written (permission problems?) or getting recreated all
the time.
Once LilyPond has the font caches computed correctly, running times
should differ little between windows, linux and mac.
The problem is that the problem is often hard to diagnose and
reproduce without having the afflicted machine at hand. In general,
my takeaway from it is that shipping software on top of Windows is a
religious experience. You can never be sure that it works, so you have
to pray a lot.
Ok I just booted back into Vista and checked the fontconfig cache's
time and date stamp, then ran my test lilypond file. The fontconfig
cache was rebuilt. The date/time stamp changed to today's date and
time. I ran the file again, the cache was rebuilt again. First time
took about 90 seconds, second time 70 seconds. On my son's laptop (a
Dell that's about 4 years old) there's a partition with XP and it ran
the test file in about 10 seconds, which is still slower than the 2-3
seconds it takes under Ubuntu Linux on the same laptop.
So, is there a way to tell the machine where the fontconfig cache file
is so that it doesn't create a new one every time? I'll be glad to
keep testing this but only about once a day. It's too painful to be
in Vista for more than a couple of minutes at a time. In three
minutes I got five warnings about my system and it wasn't even
connected to the internet...
Jon
--
=============================================
Mats Bengtsson
Signal Processing
School of Electrical Engineering
Royal Institute of Technology (KTH)
SE-100 44 STOCKHOLM
Sweden
Phone: (+46) 8 790 8463
Fax: (+46) 8 790 7260
Email: [EMAIL PROTECTED]
WWW: http://www.s3.kth.se/~mabe
=============================================
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