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Improve error handling in script to activate custom MPI #2700

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Merged
khalatepradnya merged 2 commits into from
Mar 6, 2025
Merged

Improve error handling in script to activate custom MPI #2700

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a97cd82
* Check the compilation status in before setting the CUDAQ_MPI_COMM_L…
khalatepradnya Mar 6, 2025
2860ec1
Merge branch 'main' into error-handling-mpi-script
khalatepradnya Mar 6, 2025
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16 changes: 14 additions & 2 deletions runtime/cudaq/distributed/builtin/activate_custom_mpi.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -47,11 +47,23 @@ if [ -z "${CXX}" ]; then
fi

echo "Using $CXX to build the MPI plugin for MPI installation in $MPI_PATH."
lib_mpi_plugin="$this_file_dir/libcudaq_distributed_interface_mpi.so"
$CXX -shared -std=c++17 -fPIC \
-I"${MPI_PATH}/include" \
-I"$this_file_dir" \
"$this_file_dir/mpi_comm_impl.cpp" \
-L"${MPI_PATH}/lib64" -L"${MPI_PATH}/lib" -lmpi \
-Wl,-rpath="${MPI_PATH}/lib64" -Wl,-rpath="${MPI_PATH}/lib" \
-o "$this_file_dir/libcudaq_distributed_interface_mpi.so"
export CUDAQ_MPI_COMM_LIB="$this_file_dir/libcudaq_distributed_interface_mpi.so"
-o "$lib_mpi_plugin"

if [ ! $? -eq 0 ]; then
echo "MPI plugin compilation failed."
(return 0 2>/dev/null) && return 3 || exit 3
fi

if [ -e "$lib_mpi_plugin" ]; then
export CUDAQ_MPI_COMM_LIB="$lib_mpi_plugin"
else
echo "MPI plugin not found at $lib_mpi_plugin"
(return 0 2>/dev/null) && return 4 || exit 4
fi
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