void smpi_mpi_sum_func(void *a, void *b, int *length, MPI_Datatype * datatype)
{
int i;
- if (*datatype == smpi_mpi_global->mpi_byte) {
+ if ((*datatype == smpi_mpi_global->mpi_byte) || (*datatype == smpi_mpi_global->mpi_char)) {
char *x = a, *y = b;
for (i = 0; i < *length; i++) {
y[i] = x[i] + y[i];
}
}
}
+/**
+ *i multiply two vectors element-wise
+ *
+ * @param a the first vectors
+ * @param b the second vectors
+ * @return the second vector is modified and contains the element-wise products
+ **/
+void smpi_mpi_prod_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype);
+void smpi_mpi_prod_func(void *a, void *b, int *length, MPI_Datatype * datatype)
+{
+ int i;
+ if ((*datatype == smpi_mpi_global->mpi_byte) || (*datatype == smpi_mpi_global->mpi_char)) {
+ char *x = a, *y = b;
+ for (i = 0; i < *length; i++) {
+ y[i] = x[i] * y[i];
+ }
+ } else if (*datatype == smpi_mpi_global->mpi_int) {
+ int *x = a, *y = b;
+ for (i = 0; i < *length; i++) {
+ y[i] = x[i] * y[i];
+ }
+ } else if (*datatype == smpi_mpi_global->mpi_float) {
+ float *x = a, *y = b;
+ for (i = 0; i < *length; i++) {
+ y[i] = x[i] * y[i];
+ }
+ } else if (*datatype == smpi_mpi_global->mpi_double) {
+ double *x = a, *y = b;
+ for (i = 0; i < *length; i++) {
+ y[i] = x[i] * y[i];
+ }
+ }
+}
/**
* compute the min of two vectors element-wise
**/
void smpi_mpi_min_func(void *a, void *b, int *length, MPI_Datatype * datatype)
{
int i;
- if (*datatype == smpi_mpi_global->mpi_byte) {
+ if ((*datatype == smpi_mpi_global->mpi_byte) || (*datatype == smpi_mpi_global->mpi_char)) {
char *x = a, *y = b;
for (i = 0; i < *length; i++) {
y[i] = x[i] < y[i] ? x[i] : y[i];
void smpi_mpi_max_func(void *a, void *b, int *length, MPI_Datatype * datatype)
{
int i;
- if (*datatype == smpi_mpi_global->mpi_byte) {
+ if ((*datatype == smpi_mpi_global->mpi_byte) || (*datatype == smpi_mpi_global->mpi_char)) {
char *x = a, *y = b;
for (i = 0; i < *length; i++) {
y[i] = x[i] > y[i] ? x[i] : y[i];
xbt_free(pdata);
}
-int smpi_mpi_barrier(smpi_mpi_communicator_t comm)
+
+/*int smpi_mpi_barrier(smpi_mpi_communicator_t comm)
{
SIMIX_mutex_lock(comm->barrier_mutex);
return MPI_SUCCESS;
}
+*/
int smpi_mpi_isend(smpi_mpi_request_t request)
{
return retval;
}
+void print_req( smpi_mpi_request_t r );
+void print_req( smpi_mpi_request_t r ) {
+ printf("***req %p-> src=%d dst=%d tag=%d completed=0x%x consumed=0x%x\n",r,r->src,r->dst,r->tag,r->completed,r->consumed);
+}
+
+
+/**
+ * wait and friends ...
+ **/
int smpi_mpi_wait(smpi_mpi_request_t request, smpi_mpi_status_t * status)
{
int retval = MPI_SUCCESS;
retval = MPI_ERR_INTERN;
} else {
SIMIX_mutex_lock(request->mutex);
+
+#ifdef DEBUG_STEPH
+ print_req( request ); //@@
+#endif
while (!request->completed) {
SIMIX_cond_wait(request->cond, request->mutex);
}
return retval;
}
+/**
+ * waitall
+ **/
int smpi_mpi_waitall(int count, smpi_mpi_request_t requests[],
- smpi_mpi_status_t status[])
+ smpi_mpi_status_t status[])
{
- int cpt;
- int index;
- int retval;
- smpi_mpi_status_t stat;
-
- for (cpt = 0; cpt < count; cpt++) {
- retval = smpi_mpi_waitany(count, requests, &index, &stat);
- if (retval != MPI_SUCCESS)
- return retval;
- memcpy(&(status[index]), &stat, sizeof(stat));
- }
- return MPI_SUCCESS;
+ int cpt;
+ int index;
+ int retval;
+ smpi_mpi_status_t stat;
+
+ for (cpt = 0; cpt < count; cpt++) {
+ retval = smpi_mpi_waitany(count, requests, &index, &stat);
+ if (retval != MPI_SUCCESS)
+ return retval;
+ if (MPI_STATUS_IGNORE != status)
+ memcpy(&(status[index]), &stat, sizeof(stat));
+ }
+ return MPI_SUCCESS;
}
+/**
+ * waitany
+ **/
int smpi_mpi_waitany(int count, smpi_mpi_request_t * requests, int *index,
smpi_mpi_status_t * status)
{
}
/* First check if one of them is already done */
for (cpt = 0; cpt < count; cpt++) {
+#ifdef DEBUG_STEPH
+ printf("...exam req[%d] of msg from [%d]\n",cpt,requests[cpt]->src);
+#endif
if (requests[cpt]->completed && !requests[cpt]->consumed) { /* got ya */
+#ifdef DEBUG_STEPH
+ printf("...found match req[%d] of msg from [%d]\n",cpt,requests[cpt]->src);
+#endif
*index = cpt;
goto found_request;
}
/* FIXME: should use a SIMIX_cond_waitany, when implemented. For now, block on the first one */
while (1) {
for (cpt = 0; cpt < count; cpt++) {
+
+#ifdef DEBUG_STEPH
+ print_req( requests[cpt] );
+#endif
if (!requests[cpt]->completed) { /* this one is not done, wait on it */
+#ifdef DEBUG_STEPH
+ printf("... blocked waiting a msg %d->%d, tag=%d\n",requests[cpt]->src,requests[cpt]->dst,requests[cpt]->tag);
+#endif
while (!requests[cpt]->completed)
SIMIX_cond_wait(requests[cpt]->cond, requests[cpt]->mutex);
}
found_request:
+#ifdef DEBUG_STEPH
+ print_req( requests[cpt] );
+#endif
requests[*index]->consumed = 1;
-
+#ifdef DEBUG_STEPH
+ print_req( requests[cpt] );
+ printf("...accessing *req[%d]->consumed\n",cpt);
+#endif
if (NULL != status) {
status->MPI_SOURCE = requests[*index]->src;
status->MPI_TAG = requests[*index]->tag;
