On 2012-12-21 14:48, Julien Puydt wrote: > Le 21/12/2012 14:14, Volker Braun a écrit : >> Setting SAGE_ATLAS_LIB creates a symlink to the underlying atlas >> install. Don't use it if you want to distribute the result. > >> Having said that, I'm thinking about a more flexible system for >> deploying and using blas/lapack. I'll probably post to sage-devel about >> that soon. > > "apt-get install" is all it takes... and it comes with explanations how > to recompile the package for maximum performance. > > What I find especially stupid is that building atlas takes most of the > time, when I really know: > (1) I'm not needing a perfectly optimized library to the point that > compiling for days makes sense ; > (2) I'm going to make a bdist which people will run on different systems > where those optimizations are perhaps worse than what a more generic > package would have given! > > Something like "export SAGE_ATLAS_DONT_OVERDO_IT=yes" would be wonderful. I think even more stupid is that ATLAS fails to build if it cannot perfectly tune itself.
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