#include "private.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_receiver, smpi, "Logging specific to SMPI (receiver)");
+
int smpi_receiver(int argc, char **argv)
{
smx_process_t self;
// make sure root is done before own initialization
SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- if (!smpi_global->root_ready) {
+ while (!smpi_global->root_ready) {
SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
}
SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
// wait for all nodes to signal initializatin complete
SIMIX_mutex_lock(smpi_global->start_stop_mutex);
smpi_global->ready_process_count++;
- if (smpi_global->ready_process_count < 3 * smpi_global->host_count) {
- SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
- } else {
+ if (smpi_global->ready_process_count >= 3 * smpi_global->host_count) {
SIMIX_cond_broadcast(smpi_global->start_stop_cond);
}
+ while (smpi_global->ready_process_count < 3 * smpi_global->host_count) {
+ SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
+ }
SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
do {
SIMIX_mutex_lock(request->mutex);
memcpy(request->buf, message->buf, request->datatype->size * request->count);
request->src = message->src;
- request->completed = 1;
request->data = message->data;
- SIMIX_cond_broadcast(request->cond);
+ request->forward = message->forward;
+
+ if (0 == request->forward) {
+ request->completed = 1;
+ SIMIX_cond_broadcast(request->cond);
+ } else {
+ request->src = request->comm->index_to_rank_map[index];
+ request->dst = (request->src + 1) % request->comm->size;
+ smpi_mpi_isend(request);
+ }
+
SIMIX_mutex_unlock(request->mutex);
xbt_free(message->buf);