Jochen Küpper wrote:
Does anyone have a suggestion for how to add the addional lapack stuff I need, while still using atlas stuff where possible?
See the ATLAS installation manual.
Thanks for the tip. Do you mean this? : """ ******** GETTING A FULL LAPACK LIB ************************** ATLAS does not provide a full lapack library. However, there is a simple way to get ATLAS to provide its faster LAPACK routines to a full LAPACK library. ATLAS's internal routines are distinct from LAPACK's, so it is safe to compile ATLAS's LAPACK routines directly into a netlib-style LAPACK library. First, obtain the LAPACK src from netlib and build the LAPACK library as normal. Then, in this directory (where you should have a liblapack.a), issue the following commands: mkdir tmp cd tmp ar x ../liblapack.a cp <your LAPACK path & lib> ../liblapack.a ar r ../liblapack.a *.o cd .. rm -rf tmp Just linking in ATLAS's liblapack.a first will not get you the best LAPACK performance, mainly because LAPACK's untuned ILAENV will be used instead of ATLAS's tuned one. """ If so, I did that (see a later post to this list). However, I found that I got about the same performance improvement doing this as I had gotten compiling against just the atlas BLAS and lapack_lite. It makes me wonder if I'm really getting the benefit of atlas lapack. I don't' have hard-core performance needs at the moment, so I'm done, but I'm still surprised I couldn't find a ready-to-go atlas rpm for Fedora Core 4. It actually makes me miss Gentoo. -Chris -- Christopher Barker, Ph.D. Oceanographer NOAA/OR&R/HAZMAT (206) 526-6959 voice 7600 Sand Point Way NE (206) 526-6329 fax Seattle, WA 98115 (206) 526-6317 main reception Chris.Barker@noaa.gov