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Atlas lapack

Atlas lapack

Name: Atlas lapack

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The ATLAS (Automatically Tuned Linear Algebra Software) project is an ongoing efficient BLAS implementation, as well as a few routines from LAPACK. Automatically Tuned Linear Algebra Software (ATLAS). The ATLAS homepage has moved: In order to use its more advanced support mechanisms, the ATLAS file dfn-technologies.com for ATLAS LAPACK API quick reference size bytes lib . Complete LAPACK and BLAS implementation using optimised ATLAS routines.

ATLAS is a portable reasonably good implementation of the BLAS You won't go too far wrong with “use ATLAS + LAPACK”, however. Automatically Tuned Linear Algebra Software (ATLAS) is a software library for linear algebra. . When integrating the ATLAS BLAS with LAPACK an important consideration is the choice of blocking factor for LAPACK. If the ATLAS blocking. The reference implementation of BLAS and LAPACK is very stable but is not as fast as optimized ones such as ATLAS and OpenBLAS.

I decided to experiment with Atlas (Automatically Tuned Linear Algebra Software) because it contains a parallel BLAS library. For those that don't have access to. I've installed the atlas blas and lapack libraries under ~/appl/atlas/builddir/lib as can be seen here: $ ls libatlas.a libf77blas.a liblapack.a. Of course, you have also to link LAPACK or ATLAS libraries. For example on a standard linux configuration and g++ compiler the adding libraries to link. This means only stuff linked against ATLAS at compile time will pick ATLAS. So as a packager, one needs to pick a BLAS/LAPACK implementation at compile.

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