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#!/usr/bin/env python3
# Owner(s): ["oncall: r2p"]
# Copyright (c) Facebook, Inc. and its affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
import argparse
import os
def parse_args():
parser = argparse.ArgumentParser(description="test script")
parser.add_argument(
"--local-rank",
"--local_rank",
type=int,
required=True,
help="The rank of the node for multi-node distributed training",
)
return parser.parse_args()
def main():
print("Start execution")
args = parse_args()
expected_rank = int(os.environ["LOCAL_RANK"])
actual_rank = args.local_rank
if expected_rank != actual_rank:
raise RuntimeError(
"Parameters passed: --local-rank that has different value "
f"from env var: expected: {expected_rank}, got: {actual_rank}"
)
print("End execution")
if __name__ == "__main__":
main()
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