Christian K wrote: > Hi, > I'm trying to build numpy from svn on ubuntu edgy with atlas provided by > ubuntu > package atlas3-sse2-dev which contains:
[...] > > I tried both with and without a site.cfg: > > > [DEFAULT] > library_dirs = /usr/lib/sse2 > include_dirs = /usr/include > > [blas_opt] > libraries = f77blas, cblas, atlas > > [lapack_opt] > libraries = lapack, f77blas, cblas, atlas > > and tested wether numpy is actually using the optimized libs as demonstrated > in > a posting by Simon Burton > (http://article.gmane.org/gmane.comp.python.numeric.general/5849). > > It apparently is linked to > /usr/lib/sse2/libatlas.so.3.0 > /usr/lib/sse2/libcblas.so.3.0 > /usr/lib/sse2/libf77blas.so.3.0 > /usr/lib/python2.4/site-packages/numpy/linalg/lapack_lite.so I tried with a modified site.cfg [DEFAULT] library_dirs = /usr/lib/atlas/sse2:/usr/lib include_dirs = /usr/include [blas_opt] libraries = f77blas, cblas, atlas [lapack_opt] libraries = lapack, f77blas, cblas, atlas and now numpy seems to use both its own lapack_lite and the optimized one: /usr/lib/atlas/sse2/liblapack.so.3.0 /usr/lib/atlas/sse2/liblapack.so.3.0 /usr/lib/python2.4/site-packages/numpy/linalg/lapack_lite.so /usr/lib/python2.4/site-packages/numpy/linalg/lapack_lite.so Is that ok? Christian _______________________________________________ Numpy-discussion mailing list [EMAIL PROTECTED] http://projects.scipy.org/mailman/listinfo/numpy-discussion
