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gnu: petsc: Link against OpenBLAS rather than LAPACK.

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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-openblas=1".
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Ludovic Courtès 2021-06-18 18:07:21 +02:00 committed by Ludovic Courtès
parent 7c5d50f431
commit c7a5c3e0bb
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gnu/packages/maths.scm
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@ -2417,7 +2417,7 @@ (define-public petsc
`(("python" ,python-2)))
(inputs
`(("gfortran" ,gfortran)
("lapack" ,lapack)
("openblas" ,openblas)
("superlu" ,superlu)
;; leaving out hdf5 and fftw, as petsc expects them to be built with mpi
;; leaving out opengl, as configuration seems to only be for mac
@ -2428,6 +2428,7 @@ (define-public petsc
#:configure-flags
`("--with-mpi=0"
"--with-openmp=1"
"--with-openblas=1"
"--with-superlu=1")
#:make-flags
;; Honor (parallel-job-count) for build. Do not use --with-make-np,