Re: Lilypond Speed

[Joe Neeman]

On Fri, 2009-09-04 at 22:05 +0100, Graham Percival wrote:
> On Fri, Sep 04, 2009 at 10:52:13PM +0200, Valentin Villenave wrote:
> > Actually, I stumbled upon something very odd: though I haven't the
> > exact numbers, with 2.12 my opera used to compile in ~40 minutes on
> > Win32, ~25 minutes on Linux64 -- but now that I have upgraded to the
> > latest git sources (that include Joe's recent work on vertical
> > spacing), it takes more than... 90 minutes!!!
> > (the PDF looks nicer though).
> 
> How is that odd?  More complicated algorithms take more time.  I
> haven't followed the details of the spacing changes, but I'd
> certainly expect them to take longer.

The algorithms shouldn't really be more complicated, just differently
organized. If you can figure out which commit caused the problem, that
would be helpful.

Cheers,
Joe