derek.holloway
7502bf64a4
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31 lines
1.4 KiB
C
31 lines
1.4 KiB
C
/*************************************************************************
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* SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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*
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* See LICENSE.txt for more license information
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*************************************************************************/
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#ifndef MPI_UTILS_H_
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#define MPI_UTILS_H_
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#include "mpi.h"
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#include <stdio.h>
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#include <stdlib.h>
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// MPI error checking macro
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#define MPICHECK(cmd) \
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do { \
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int err = cmd; \
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if (err != MPI_SUCCESS) { \
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char error_string[MPI_MAX_ERROR_STRING]; \
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int length; \
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MPI_Error_string(err, error_string, &length); \
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fprintf(stderr, "MPI error at %s:%d - %s\n", __FILE__, __LINE__, \
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error_string); \
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fprintf(stderr, "Failed MPI operation: %s\n", #cmd); \
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MPI_Abort(MPI_COMM_WORLD, err); \
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} \
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} while (0)
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#endif
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