-/* Copyright (c) 2009-2010, 2013-2014. The SimGrid Team.
+/* Copyright (c) 2009-2022. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include <errno.h>
#include "mpi.h"
-#ifndef EXIT_SUCCESS
-#define EXIT_SUCCESS 0
-#define EXIT_FAILURE 1
-#endif
-
-//define MAXLEN 300000
-
int main(int argc, char *argv[])
{
- int rank, size;
+ int rank;
+ int size;
int i;
- int *sb;
- int *rb;
int status;
int mult=1;
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
- if (maxlen>1)mult=size;
- sb = (int *) xbt_malloc(size *maxlen * sizeof(int));
- rb = (int *) xbt_malloc(size *maxlen * sizeof(int));
-
+ MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
+
+ if (maxlen > 1)
+ mult = maxlen > size ? size : maxlen;
+ int* sb = xbt_new0(int, size * maxlen);
+ int* rb = xbt_new0(int, size * maxlen);
+
for (i = 0; i < size *maxlen; ++i) {
sb[i] = rank*size + i;
rb[i] = 0;
}
+ status = MPI_Allreduce(NULL, rb, size, MPI_UNSIGNED_LONG_LONG, MPI_SUM, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_BUFFER)
+ printf("MPI_Allreduce did not return MPI_ERR_BUFFER for empty sendbuf\n");
+ status = MPI_Allreduce(sb, NULL, size, MPI_UNSIGNED_LONG_LONG, MPI_SUM, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_BUFFER)
+ printf("MPI_Allreduce did not return MPI_ERR_BUFFER for empty recvbuf\n");
+ status = MPI_Allreduce(sb, rb, -1, MPI_UNSIGNED_LONG_LONG, MPI_SUM, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_COUNT)
+ printf("MPI_Allreduce did not return MPI_ERR_COUNT for -1 count\n");
+ status = MPI_Allreduce(sb, rb, size, MPI_DATATYPE_NULL, MPI_SUM, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_TYPE)
+ printf("MPI_Allreduce did not return MPI_ERR_TYPE for MPI_DATATYPE_NULL type\n");
+ status = MPI_Allreduce(sb, rb, size, MPI_UNSIGNED_LONG_LONG, MPI_OP_NULL, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_OP)
+ printf("MPI_Allreduce did not return MPI_ERR_OP for MPI_OP_NULL op\n");
+ status = MPI_Allreduce(sb, rb, size, MPI_UNSIGNED_LONG_LONG, MPI_SUM, MPI_COMM_NULL);
+ if(status!=MPI_ERR_COMM)
+ printf("MPI_Allreduce did not return MPI_ERR_COMM for MPI_COMM_NULL comm\n");
+
printf("[%d] sndbuf=[", rank);
for (i = 0; i < size *mult; i++)
printf("%d ", sb[i]);
printf("]\n");
-
status = MPI_Allreduce(sb, rb, size *maxlen, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
printf("[%d] rcvbuf=[", rank);
printf("%d ", rb[i]);
printf("]\n");
-
- if (rank == 0) {
- if (status != MPI_SUCCESS) {
- printf("all_to_all returned %d\n", status);
- fflush(stdout);
- }
+ if (rank == 0 && status != MPI_SUCCESS) {
+ printf("all_to_all returned %d\n", status);
+ fflush(stdout);
}
- free(sb);
- free(rb);
+ xbt_free(sb);
+ xbt_free(rb);
MPI_Finalize();
- return (EXIT_SUCCESS);
+ return EXIT_SUCCESS;
}