Re: 2.12.1 is slow compared to 2.10.33 on Windows XP SP2

[Patrick McCarty]

Hi Frédéric,

On Sun, Jan 25, 2009 at 07:16:07PM +0100, Frédéric Bron wrote:
> I have tested the compilation of an orchestral score I found that it
> runs much slower with 2.12.1 than with 2.10.33 on the same machine
> running Windows XP SP2 (not using the cygwin version of lilypond):
> 
> 2.10.33: 508 seconds
> 2.12.1: 872 seconds (+72%)
> 
> I have run the same compilation 2 times giving the same time.
> 
> Did you expect such slow down because of maybe new features?
> 
> Also I had the following output with 2.12.1 which maybe explains the longer 
> run:
> 
> Finding the ideal number of pages...
> Fitting music on 44 or 45 pages...
> programming error: tried to space systems on a bad number of pages
> continuing, cross fingers

Are the compile times different if you compile your score with the
following option set?

\layout {
  \context {
    \Score
    skipTypesetting = ##t
  }
}

This will (slightly) help narrow down the possible causes of the
slowdown.

Thanks,
Patrick