/* One-Sided MPI 2-D Strided Put Test
*
- * Author: James Dinan <dinan@mcs.anl.gov>
+ * Author: James Dinan <dinan@mcs.anl.gov>
* Date : March, 2011
*
* This code performs N strided put operations into a 2d patch of a shared
#define SUB_YDIM 1024
#define ITERATIONS 10
-int main(int argc, char **argv) {
+int main(int argc, char **argv)
+{
int i, j, rank, nranks, peer, bufsize, errors;
double *win_buf, *src_buf, *dst_buf;
MPI_Win buf_win;
MPI_Alloc_mem(bufsize, MPI_INFO_NULL, &src_buf);
MPI_Alloc_mem(bufsize, MPI_INFO_NULL, &dst_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;
*(src_buf + i) = 1.0 + rank;
}
MPI_Win_create(win_buf, bufsize, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &buf_win);
- peer = (rank+1) % nranks;
+ peer = (rank + 1) % nranks;
/* Perform ITERATIONS strided put operations */
for (i = 0; i < ITERATIONS; i++) {
- MPI_Aint idx_loc[SUB_YDIM];
- int idx_rem[SUB_YDIM];
- int blk_len[SUB_YDIM];
- MPI_Datatype src_type, dst_type;
-
- for (j = 0; j < SUB_YDIM; j++) {
- MPI_Get_address(&src_buf[j*XDIM], &idx_loc[j]);
- idx_rem[j] = j*XDIM*sizeof(double);
- blk_len[j] = SUB_XDIM*sizeof(double);
- }
+ MPI_Aint idx_loc[SUB_YDIM];
+ int idx_rem[SUB_YDIM];
+ int blk_len[SUB_YDIM];
+ MPI_Datatype src_type, dst_type;
+
+ for (j = 0; j < SUB_YDIM; j++) {
+ MPI_Get_address(&src_buf[j * XDIM], &idx_loc[j]);
+ idx_rem[j] = j * XDIM * sizeof(double);
+ blk_len[j] = SUB_XDIM * sizeof(double);
+ }
- MPI_Type_create_hindexed(SUB_YDIM, blk_len, idx_loc, MPI_BYTE, &src_type);
- MPI_Type_create_indexed_block(SUB_YDIM, SUB_XDIM*sizeof(double), idx_rem, MPI_BYTE, &dst_type);
+ MPI_Type_create_hindexed(SUB_YDIM, blk_len, idx_loc, MPI_BYTE, &src_type);
+ MPI_Type_create_indexed_block(SUB_YDIM, SUB_XDIM * sizeof(double), idx_rem, MPI_BYTE,
+ &dst_type);
- MPI_Type_commit(&src_type);
- MPI_Type_commit(&dst_type);
+ MPI_Type_commit(&src_type);
+ MPI_Type_commit(&dst_type);
- MPI_Win_lock(MPI_LOCK_EXCLUSIVE, peer, 0, buf_win);
- MPI_Put(MPI_BOTTOM, 1, src_type, peer, 0, 1, dst_type, buf_win);
- MPI_Win_unlock(peer, buf_win);
+ MPI_Win_lock(MPI_LOCK_EXCLUSIVE, peer, 0, buf_win);
+ MPI_Put(MPI_BOTTOM, 1, src_type, peer, 0, 1, dst_type, buf_win);
+ MPI_Win_unlock(peer, buf_win);
- MPI_Type_free(&src_type);
- MPI_Type_free(&dst_type);
+ MPI_Type_free(&src_type);
+ MPI_Type_free(&dst_type);
}
MPI_Barrier(MPI_COMM_WORLD);
MPI_Win_lock(MPI_LOCK_EXCLUSIVE, rank, 0, buf_win);
errors = 0;
for (i = 0; i < SUB_XDIM; i++) {
- for (j = 0; j < SUB_YDIM; j++) {
- const double actual = *(win_buf + i + j*XDIM);
- const double expected = (1.0 + ((rank+nranks-1)%nranks));
- if (actual - expected > 1e-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 = *(win_buf + i + j * XDIM);
+ const double expected = (1.0 + ((rank + nranks - 1) % nranks));
+ if (actual - expected > 1e-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 = *(win_buf + i + j*XDIM);
- const double expected = 1.0 + rank;
- if (actual - expected > 1e-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 = *(win_buf + i + j * XDIM);
+ const double expected = 1.0 + rank;
+ if (actual - expected > 1e-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 = *(win_buf + i + j*XDIM);
- const double expected = 1.0 + rank;
- if (actual - expected > 1e-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 = *(win_buf + i + j * XDIM);
+ const double expected = 1.0 + rank;
+ if (actual - expected > 1e-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_unlock(rank, buf_win);
MPI_Free_mem(src_buf);
MPI_Free_mem(dst_buf);
- MTest_Finalize( errors );
+ MTest_Finalize(errors);
MPI_Finalize();
return 0;