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git-svn-id: svn://anubis/gvsu@257 45c1a28c-8058-47b2-ae61-ca45b979098e
This commit is contained in:
josh 2008-11-23 16:13:06 +00:00
parent 5666b02e76
commit fc106b1705
1 changed files with 7 additions and 19 deletions
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26
cs677/hw4/src/transpose.cc
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@ -49,33 +49,21 @@ int main(int argc, char * argv[])
{ {
int my_rank; int my_rank;
int p; /* the number of processes */ int p; /* the number of processes */
int n = 10; /* the size of the matrix */ int n = 10; /* the size of the matrix */
MPI_Init(&argc, &argv); MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &my_rank); MPI_Comm_rank(MPI_COMM_WORLD, &my_rank);
MPI_Comm_size(MPI_COMM_WORLD, &p); MPI_Comm_size(MPI_COMM_WORLD, &p);
#if 0
for (int i = 0; i < argc; i++)
{
if (!strncmp(argv[i], "-s", 2))
{
n = atoi(strlen(argv[i]) > 2
? argv[i] + 2
: argv[++i]);
}
}
#endif
/* Initialize the matrices */ /* Initialize the matrices */
int matrix[n][n]; int matrix[n][n];
int recvmatrix[n][n]; int recvmatrix[n][n];
for (int i = 0; i < n; i++) /* zero the matrices for prettier */ for (int i = 0; i < n; i++)
{ {
for (int j = 0; j < n; j++) /* printing */ for (int j = 0; j < n; j++)
{ {
matrix[i][j] = 0; matrix[i][j] = 0; /* zero the matrices for prettier */
recvmatrix[i][j] = 0; recvmatrix[i][j] = 0; /* printing */
} }
} }
@ -102,7 +90,7 @@ int main(int argc, char * argv[])
printMatrix(&matrix[0][0], n, n); printMatrix(&matrix[0][0], n, n);
cout << endl; cout << endl;
} }
MPI_Barrier(MPI_COMM_WORLD); /* for printing coherently */ MPI_Barrier(MPI_COMM_WORLD); /* just for printing coherently */
usleep(100000); usleep(100000);
MPI_Barrier(MPI_COMM_WORLD); MPI_Barrier(MPI_COMM_WORLD);
} }
@ -148,7 +136,7 @@ int main(int argc, char * argv[])
printMatrix(&recvmatrix[0][0], n, n); printMatrix(&recvmatrix[0][0], n, n);
cout << endl; cout << endl;
} }
MPI_Barrier(MPI_COMM_WORLD); /* for printing coherently */ MPI_Barrier(MPI_COMM_WORLD); /* just for printing coherently */
usleep(100000); usleep(100000);
MPI_Barrier(MPI_COMM_WORLD); MPI_Barrier(MPI_COMM_WORLD);
} }