diff options
Diffstat (limited to 'gnu/packages/mpi.scm')
| -rw-r--r-- | gnu/packages/mpi.scm | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gnu/packages/mpi.scm b/gnu/packages/mpi.scm index f34b08e4ca..7dfec16fc7 100644 --- a/gnu/packages/mpi.scm +++ b/gnu/packages/mpi.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2014, 2015 Eric Bavier <bavier@member.fsf.org> +;;; Copyright © 2014, 2015, 2018 Eric Bavier <bavier@member.fsf.org> ;;; Copyright © 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2014 Ian Denhardt <ian@zenhack.net> ;;; Copyright © 2016 Andreas Enge <andreas@enge.fr> @@ -250,3 +250,15 @@ software vendors, application developers and computer science researchers.") work correctly with all transports (such as @code{openib}), and the performance is generally worse than the vanilla @code{openmpi} package, which only provides @code{MPI_THREAD_FUNNELED}."))) + +;;; Build phase to be used for packages that execute MPI code. +(define-public %openmpi-setup + '(lambda _ + ;; By default, running the test suite would fail because 'ssh' could not + ;; be found in $PATH. Define this variable to placate Open MPI without + ;; adding a dependency on OpenSSH (the agent isn't used anyway.) + (setenv "OMPI_MCA_plm_rsh_agent" (which "false")) + ;; Allow oversubscription in case there are less physical cores available + ;; in the build environment than the package wants while testing. + (setenv "OMPI_MCA_rmaps_base_oversubscribe" "yes") + #t)) |