On Apr 21, 2004, at 10:10 AM, Scott Hannahs wrote:
Just as a dumb suggestion, Why not change it to:
% setenv BLAS_VERSION
/System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/
vecLib.framework/Versions/A/libBLAS.dylib
I did this and tried the following:
% a=rand(500,500:
% tic; [u,s,v] = svd(a); toc
I saved the a matrix and tried it with BLAS_VERSION set as above and
then undefined (to use the default). In this very non-scientific test,
there was little difference in runtime.
I believe the only way to get anything out of this would be to try and
compile ATLAS with XLF and all of its optimizations. Who knows if that
would buy much...
Cheers,
Brian
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