[R-SIG-Mac]R, blas, lapack, ATLAS, and OS X

Don MacQueen macq@llnl.gov
Tue, 31 Jul 2001 19:19:12 -0700

A message today on r-help asked about compiling R with ATLAS libraries.
      --- related to that ---
A message today on Apple's scitech mailing list reports that using 
ATLAS resulted in an 8x speed improvement in a small fortran program 
(compiled using f2c) that relies heavily on blas routines, in OS X.

Rather than quote without permission, here's a pointer to the scitech 
list archives, for anyone who is interested. The subject was 
"optimized blas & lapack routines".

List-Archive: <http://www.lists.apple.com/archives/scitech/>
List-Subscribe: <http://www.lists.apple.com/mailman/listinfo/scitech>,
List-Id: Topics regarding Apple's support for science & technology 

(apologies for redundancy if the R binaries ( either version) for OS 
X already have the ATLAS libraries--I don't recall seeing it 

Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA