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openmpi: add libfabric support (for omnipath networks) #86322

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merged 1 commit into from Apr 30, 2020
Merged

openmpi: add libfabric support (for omnipath networks) #86322

merged 1 commit into from Apr 30, 2020

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bzizou
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@bzizou bzizou commented Apr 29, 2020

Motivation for this change

Many HPC clusters are using OPA (Intel Omnipath) low latency network. The libfabric support into openmpi is necessary for HPC applications to efficiently use such networks.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.

@ofborg ofborg bot requested a review from markuskowa April 29, 2020 13:56
@markuskowa
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@GrahamcOfBorg build openmpi

@markuskowa
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nix-review looks good, openmpi still run on normal hardware.

@markuskowa markuskowa merged commit 0179022 into NixOS:master Apr 30, 2020
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@markuskowa markuskowa markuskowa approved these changes

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