Le 19/12/2012 21:52, tom d a écrit :
I'm experimenting with building Sage on the Raspberry Pi. It apparently
has an ARM6 processor, so I'm running from scratch. I ran into problems
building libm4rie as well (and also on building conversion.c); it would
start running and then after about 20 minutes the device would freeze up
and my ssh session (since I'm running headless!) would seize up. Nothing
I can find in the log files; seems like just a straight out crash. I'm
trying again from the beginning in case something went wrong earlier in
the build process.

Yes, that one file is a problem.

ATLAS took 807 minutes to compile on the first attempt. I seem to recall
hearing that ATLAS has some kind of processor database at some point? I
poked around looking for whether there's a good way to store the
timings, etc, and chop down the ATLAS compile time but wasn't
immediately able to turn any answers up. Anyone have a good idea of
where to look?

apt-get install libatlas-dev (or something like this),
then export SAGE_ATLAS_LIB=/usr
that way atlas won't get compiled in sage.

Snark on #sagemath

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