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gnu: openmpi: Raise the priority of the PSM2 component.

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This allows us to get better performance by default on machines with
OmniPath hardware.

* gnu/packages/patches/openmpi-psm2-priority.patch: New file.
* gnu/packages/mpi.scm (openmpi)[source]: Use it.
* gnu/local.mk (dist_patch_DATA): Add it.
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Ludovic Courtès 2019-11-15 17:15:05 +01:00 • committed by Ludovic Courtès
parent 348caf3d2c
commit faab7082ab
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3 changed files with 24 additions and 1 deletions
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gnu/packages/mpi.scm
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@ -174,7 +174,8 @@ bind processes, and much more.")
(version-major+minor version)
"/downloads/openmpi-" version ".tar.bz2"))
(sha256
(base32 "0ms0zvyxyy3pnx9qwib6zaljyp2b3ixny64xvq3czv3jpr8zf2wh"))))
(base32 "0ms0zvyxyy3pnx9qwib6zaljyp2b3ixny64xvq3czv3jpr8zf2wh"))
(patches (search-patches "openmpi-psm2-priority.patch"))))
(build-system gnu-build-system)
(inputs
`(("hwloc" ,hwloc-2 "lib")