2.12 - 162 pages; 2.14 - 147; 2.16 - 142; 2.17.26 - 158pp. 2.17 is noticeably
looser, but I concluded I'd adjust some of the spacing controls to fit more to
a page.
--
Phil Holmes
----- Original Message -----
From: James
To: lilypond-devel@gnu.org
Sent: Saturday, September 21, 2013 1:37 PM
Subject: Re: Lilypond benchmarking
On 21/09/13 13:31, Phil Holmes wrote:
David made the comment that we'd no information on the performance of the
latest development release on large project, so I thought I'd do a little
benchmarking. This has been done on windows vista 64 bit.
I've used 4 benchmarking tests: a) \repeat unfold xx c''4; b) \repeat
unfold 500 { c''4 c' \f c''' g } (this gives the skylining code something to
do, which the simple one in a) doesn't); c) the Finale to Act I of the Mikado,
which I created as code about 3 years ago, and runs to 496 bars and up to 30
voices and d) The full score for the Mikado, about 150 pages but set as a
number (about 20) of separate \score blocks. The main problem I've got is
laying the results out in a text-only email, so I've attached them as a little
image.
Summary: 2.12 was very slow and unreliable on large scores. 2.14, 2.16 and
2.17.26 are similar: it look like current devel is slower where there's a lot
of interleaving of notes and dynamics to be done, which is probably to be
expected with the more sophisticated skylining code. I'd conclude there is no
fundamental performance problem with our current build.
--
Phil Holmes
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Phil,
How many pages does the full score take comparatively - a lot of the page
breaking stuff was done between 2.12 and 2.16, I'm curious if you flicked
through it and noticed any horrendous spacing or big gaps between staffs or at
the end of sections.
Thanks for the insight.
James
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