/* One-Sided MPI 2-D Strided Get Test
*
- * Author: James Dinan <dinan@mcs.anl.gov>
+ * Author: James Dinan <dinan@mcs.anl.gov>
* Date : December, 2010
*
* This code performs N strided get operations from a 2d patch of a shared
#define SUB_XDIM 8
#define SUB_YDIM 256
-int main(int argc, char **argv) {
+int main(int argc, char **argv)
+{
int i, j, rank, nranks, peer, bufsize, errors;
double *win_buf, *loc_buf;
MPI_Win buf_win;
MPI_Alloc_mem(bufsize, MPI_INFO_NULL, &win_buf);
MPI_Alloc_mem(bufsize, MPI_INFO_NULL, &loc_buf);
- for (i = 0; i < XDIM*YDIM; i++) {
- *(win_buf + i) = 1.0 + rank;
+ for (i = 0; i < XDIM * YDIM; i++) {
+ *(win_buf + i) = 1.0 + rank;
*(loc_buf + i) = -1.0;
}
MPI_Win_create(win_buf, bufsize, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &buf_win);
- peer = (rank+1) % nranks;
+ peer = (rank + 1) % nranks;
/* Build the datatype */
for (i = 0; i < SUB_YDIM; i++) {
- idx_rem[i] = i*XDIM;
- blk_len[i] = SUB_XDIM;
+ idx_rem[i] = i * XDIM;
+ blk_len[i] = SUB_XDIM;
}
MPI_Type_indexed(SUB_YDIM, blk_len, idx_rem, MPI_DOUBLE, &loc_type);
errors = 0;
for (i = 0; i < SUB_XDIM; i++) {
- for (j = 0; j < SUB_YDIM; j++) {
- const double actual = *(loc_buf + i + j*XDIM);
- const double expected = (1.0 + peer);
- if (fabs(actual - expected) > 1.0e-10) {
- SQUELCH( printf("%d: Data validation failed at [%d, %d] expected=%f actual=%f\n",
- rank, j, i, expected, actual); );
- errors++;
- fflush(stdout);
+ for (j = 0; j < SUB_YDIM; j++) {
+ const double actual = *(loc_buf + i + j * XDIM);
+ const double expected = (1.0 + peer);
+ if (fabs(actual - expected) > 1.0e-10) {
+ SQUELCH(printf("%d: Data validation failed at [%d, %d] expected=%f actual=%f\n",
+ rank, j, i, expected, actual););
+ errors++;
+ fflush(stdout);
+ }
}
- }
}
for (i = SUB_XDIM; i < XDIM; i++) {
- for (j = 0; j < SUB_YDIM; j++) {
- const double actual = *(loc_buf + i + j*XDIM);
- const double expected = -1.0;
- if (fabs(actual - expected) > 1.0e-10) {
- SQUELCH( printf("%d: Data validation failed at [%d, %d] expected=%f actual=%f\n",
- rank, j, i, expected, actual); );
- errors++;
- fflush(stdout);
+ for (j = 0; j < SUB_YDIM; j++) {
+ const double actual = *(loc_buf + i + j * XDIM);
+ const double expected = -1.0;
+ if (fabs(actual - expected) > 1.0e-10) {
+ SQUELCH(printf("%d: Data validation failed at [%d, %d] expected=%f actual=%f\n",
+ rank, j, i, expected, actual););
+ errors++;
+ fflush(stdout);
+ }
}
- }
}
for (i = 0; i < XDIM; i++) {
- for (j = SUB_YDIM; j < YDIM; j++) {
- const double actual = *(loc_buf + i + j*XDIM);
- const double expected = -1.0;
- if (fabs(actual - expected) > 1.0e-10) {
- SQUELCH( printf("%d: Data validation failed at [%d, %d] expected=%f actual=%f\n",
- rank, j, i, expected, actual); );
- errors++;
- fflush(stdout);
+ for (j = SUB_YDIM; j < YDIM; j++) {
+ const double actual = *(loc_buf + i + j * XDIM);
+ const double expected = -1.0;
+ if (fabs(actual - expected) > 1.0e-10) {
+ SQUELCH(printf("%d: Data validation failed at [%d, %d] expected=%f actual=%f\n",
+ rank, j, i, expected, actual););
+ errors++;
+ fflush(stdout);
+ }
}
- }
}
MPI_Win_free(&buf_win);
MPI_Free_mem(win_buf);
MPI_Free_mem(loc_buf);
- MTest_Finalize( errors );
+ MTest_Finalize(errors);
MPI_Finalize();
- return MTestReturnValue( errors );
+ return MTestReturnValue(errors);
}