On Tuesday, 7 February 2023 at 09:56:06 UTC-8 dim...@gmail.com wrote:
I don't think setting MAKE is a good idea.
Did you try simply
make -j8 build
Thanks! I've tried "touch src/sage/structure/*" -- that triggers quite a
large part of sagemathlib to be rebuilt. It used only 4 processes during
cythonization (when it was running just python processes), but it happily
used in the range of 8 processes during compilation (and that's the much
more expensive phase).
It reported less than 10 minutes real time for about 60 minutes user. With
the previous single thread, it took about 30 minutes (real and user). I
don't know if that's because this is on a 4-core machine with
hyperthreading or because of other bottlenecks.
Documentation I was able to find is still recommending MAKE="...". So we
should probably change that now that we have a more make-centric build
system.
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