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hmac
2002 Nov 29
3
BLAS/Lapack for OS X
OS X 10.2 and higher comes standard with highly optimized versions
of BLAS and Lapack in /Systems/Library/Frameworks/vecLib.framework.
It seems that even for double precision they do much better. See
http://sthmac.magnet.fsu.edu/benchmarks/
I am not sure how these numbers would look on G3 Macs, but
obviously for double precision there is not much reliance on Altivec.
So I tried to configure R-devel with --with-blas="-framework vecLib",
which seems to work well since --with-blas is used literally...