Re: LilyPond is excessively slow on Windows Vista

[Han-Wen Nienhuys]

I´ve patched  fontconfig in 2.11.64 to use a consistent stat() call
everywhere. Can you check if it fixes the DST/font cache problem?

thanks!

On Sun, Nov 16, 2008 at 7:44 AM, Trevor Daniels <address@hidden> wrote:
>
> Neil Puttock wrote Saturday, November 15, 2008 3:32 PM
>>
>> 2008/11/15 Jonathan Kulp <address@hidden>:
>>>
>>> Trevor Daniels wrote:
>>>>
>>>>
>>>> Yes.  Could you check the creation date of the large cache file,
>>>> and if that date is within your daylight saving period try
>>>> deleting the entire lilypond font cache, ie delete the
>>>> .lilypond-fonts.cache-2 directory so the font cache is rebuilt
>>>> from scratch.  Maybe a long shot but worth a try.  See my other
>>>> recent note for details of why.
>>>>
>>>> Trevor
>>>>
>>> I did this to no effect.  It still rebuilds the cache each time I run
>>> Lilypond.  :(
>>
>> What happens if you untick `Automatically adjust clock for daylight
>> saving changes'?
>>
>> I haven't had any problems even though my cache was created in April,
>> but forcing a rebuild results in the same delay you're experiencing
>> every time unless the automatic clock adjustment is turned off for the
>> first run.
>
> Thanks Neil, this seems to be at least one of the causes of the cache
> rebuild problem.  I've always had the "Automatically adjust ..." box ticked,
> and have never experienced any problems, but then, my cache was first
> built in March, before the daylight-saving period began here.  So in
> summary, in seems that the problem occurs if the cache is first built
> during a daylight saving period when the system is set to automatically
> adjust the clock for daylight saving.
>
> The Vista fix for LilyPond releases for and after 2.11.42 is to uncheck the
> "Automatically adjust .." box, delete ~/.lilypond-fonts.cache-2 and run
> LilyPond again to rebuild the cache.  The "Automatically adjust ..." box
> can then be checked again and all should thereafter work correctly.
>
> For releases earlier than 2.11.34 the font cache was saved in
> ~/.fontconfig.  Otherwise I guess the fix is the same.
>
> If any Vista user finds this does not work for them, please post the
> details to the -user and/or the -bug list.
>
> Trevor
>
>
>
>
> _______________________________________________
> lilypond-user mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/lilypond-user
>



-- 
Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen