2009/12/13 Graham Percival <gra...@percival-music.ca>:

> Be warned that sometimes lilypond-book has hash collisions in the
> filename, which can lead to weird compile errors when one process
> finished dealing with aa/lily-aaaa.ps (and thus deletes it), while
> another process has finished generating aa/lily-aaaa.ps but hasn't
> started running ps2pdf yet, and thus doesn't find the file that it
> just wrote.

I used to use -j3 CPU_COUNT=3 on my dual-core system, but since
changing back to -j2 CPU_COUNT=2, I've had no hash collisions; it
doesn't make any difference to the build times as far as I can tell.

Regards,
Neil


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