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Disable mpi process pinning in test suite #5004

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Disable mpi process pinning in test suite #5004

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9 changes: 9 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -421,6 +421,15 @@ else()
endfunction()
endif()

# mpiexec argument to disable pinning of processes to cores. Used in test suite
# as several tests are run at the same time.
if(NOT APPLE)
set(ESPRESSO_MPIEXEC_DONT_PIN --bind-to none)
else()
# not supported on Apple
set(ESPRESSO_MPIEXEC_DONT_PIN "")
endif()

#
# Boost
#
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3 changes: 2 additions & 1 deletion testsuite/python/CMakeLists.txt
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Expand Up @@ -92,7 +92,8 @@ function(python_test)
add_test(
NAME ${TEST_NAME}
COMMAND
${MPIEXEC} ${ESPRESSO_MPIEXEC_OVERSUBSCRIBE} ${MPIEXEC_NUMPROC_FLAG}
${MPIEXEC} ${ESPRESSO_MPIEXEC_DONT_PIN}
${ESPRESSO_MPIEXEC_OVERSUBSCRIBE} ${MPIEXEC_NUMPROC_FLAG}
${TEST_NUM_PROC} ${MPIEXEC_PREFLAGS} ${ESPRESSO_MPIEXEC_TMPDIR}
${CMAKE_BINARY_DIR}/pypresso ${PYPRESSO_OPTIONS}
${TEST_FILE_CONFIGURED} ${TEST_ARGUMENTS} ${MPIEXEC_POSTFLAGS})
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