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Dmitry Roshchin 48de63cb9e Accepting request 533655 from home:eeich:hpc_alt - Generate baselib.conf dynamically and only for the non-HPC builds: this avoids issues with the source validator. - Convert openblas to multibuild. - Add HPC build using environment modules. (FATE#321708). - fix-arm64-cpuid-return.patch Fix CPUID detection on ARM (From OHPC). OBS-URL: https://build.opensuse.org/request/show/533655 OBS-URL: https://build.opensuse.org/package/show/science/openblas?expand=0&rev=55		2017-10-16 15:00:39 +00:00
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README.SUSE

openSUSE specific packaging
===========================

OpenBLAS provides optimized implementations of BLAS and LAPACK.
openSUSE provides three variants:
 * Serial library (libopenblas_serial0)
 * With OpenMP support (libopenblas_openmp0)
 * With threading support (libopenblas_pthreads0)

By defult openSUSE uses pthreads version on x86 systems and OpenMP
for other architectures. On x86 systems OpenBLAS uses dynamic
architectures support, so it contains all CPU-related optimizations.

How to switch between the various BLAS/LAPACK implementations
=============================================================

BLAS:
 sudo /usr/sbin/update-alternatives --config libblas.so.3

LAPACK:
 sudo /usr/sbin/update-alternatives --config liblapack.so.3

More information is available at:

 https://en.opensuse.org/openSUSE:Science_Linear_algebra_libraries