test_mpi_comm.sh

#!/bin/bash

# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -e

# use default values
export PADDLE_DISTRI_BACKEND="mpi"
cmd=`which mpirun`
if [ ${#cmd} -eq 0 ]
then
    echo "Warning! mpirun command not found!"
else
    ${cmd} -x PADDLE_DISTRI_BACKEND -np 2 --allow-run-as-root python3.8 process_group_mpi.py
fi