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bug#49096: [PATCH] gnu: petsc: Link against OpenBLAS rather than LAPACK.


From: Ludovic Courtès
Subject: bug#49096: [PATCH] gnu: petsc: Link against OpenBLAS rather than LAPACK.
Date: Tue, 22 Jun 2021 17:57:06 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)

Efraim Flashner <efraim@flashner.co.il> skribis:

> On Fri, Jun 18, 2021 at 06:12:04PM +0200, Ludovic Courtès wrote:
>> From: Ludovic Courtès <ludovic.courtes@inria.fr>
>> 
>> OpenBLAS performs better than LAPACK, the reference implementation.
>> This is also consistent with the choice of BLAS/LAPACK implementations
>> made in most other packages.
>> 
>> * gnu/packages/maths.scm (petsc)[inputs]: Replace LAPACK by OPENBLAS.
>> [arguments]: Pass "--with-openmp=1".

[...]

> It sounds reasonable to me.

Pushed as c7a5c3e0bba2ac3d197b219d21527863308b75dd.

Ludo'.





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