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gnu: openmpi: Silence UCX warnings when running tests.

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* gnu/packages/mpi.scm (%openmpi-setup): Set "UCX_LOG_LEVEL".
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Ludovic Courtès 2019-11-16 17:19:17 +01:00
parent 2401806bdb
commit b1077c2234
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gnu/packages/mpi.scm
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@ -342,6 +342,15 @@ only provides @code{MPI_THREAD_FUNNELED}.")))
;; 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_mapping_policy" "core:OVERSUBSCRIBE")
;; UCX sometimes outputs uninteresting warnings such as:
;;
;; mpool.c:38 UCX WARN object 0x7ffff44fffc0 was not returned to mpool ucp_am_bufs
;;
;; These in turn leads to failures of test suites that capture and
;; compare stdout, such as that of 'hdf5-parallel-openmpi'. Thus, tell
;; UCX to not emit those warnings.
(setenv "UCX_LOG_LEVEL" "error")
#t))
(define-public intel-mpi-benchmarks