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From: | David Parks |
Subject: | Compiling Octave with ATLAS |
Date: | Mon, 26 May 2014 14:16:53 -0700 |
User-agent: | Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
I'm compiling Octave after having built the ATLAS libraries for my system. - How do I get octave to use the ATLAS libraries? - How do I *verify* that octave is actually using the ATLAS libraries? This build process for Octave didn't seem to do it: sudo apt-get build-dep octave./configure --with-lapack=/usr/local/atlas/lib/liblapack.a --with-blas=/usr/local/atlas/libptcblas.a
make installI can build and install Octave that way, but when I try to do large matrix multiplication I see only 1 core being used (my reason for building with ATLAS, and also the only way I currently know to test that ATLAS either IS or ISN'T linked properly).
I've tried all varients of --with-lapack that I can think of (pointing to /usr/local/atlas, /usr/local/atlas/lib, etc.), the documentation doesn't provide any concrete examples.
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