Le 26/11/2022 à 22:36, Eric Benson a écrit :
In anticipation of the impending release of 2.24, I recently ported my Lilypond files from 2.22 to 2.23.81. I have about 100 lead sheets with lyrics, parameterized so that I can easily create them in different keys and in treble clef or bass clef. There are all in the range of 1 to 2 pages when typeset. I have a script that generates them in four different keys, so that's roughly 400 invocations of lilypond.
The time to initialize LilyPond is roughly 0.1s, so 40s of the 5 minutes time are spent just initializing LilyPond 400 times. Consider passing all the files to 'lilypond' in a single invocation, which should be faster.
I know that Lilypond 2.24 binary distributions will be built with Guile 2, not Guile 3, but I thought you might like to know that I was able to build 2.23.81 from source with Guile 3, run my script, and I got what appears to be the exact same result as I had with the Guile 2 binary distribution. This was on a Mac Studio with Apple CPU running MacOS Ventura 13.0.1. I'm not sure if the Guile 3 JIT is enabled in this build, or if it even works currently on Apple silicon.
A patch was recently posted on the Guile mailing list to add JIT support on Apple Silicon [1] so I don't think it works currently. https://lists.gnu.org/archive/html/guile-devel/2022-11/msg00021.html Maybe you will see it failing if you set GUILE_JIT_THRESHOLD=0 in the environment? Best, Jean
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