#include "private.h"
+#include "xbt/time.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_base, smpi,
"Logging specific to SMPI (base)");
return comm->index_to_rank_map[smpi_host_index()];
}
-void smpi_mpi_init()
+void smpi_process_init()
{
smx_host_t host;
- smx_host_t *hosts;
- int host_count;
int i;
smpi_host_data_t hdata;
- SIMIX_mutex_lock(smpi_global->running_hosts_count_mutex);
smpi_global->running_hosts_count++;
- SIMIX_mutex_unlock(smpi_global->running_hosts_count_mutex);
// initialize some local variables
host = SIMIX_host_self();
- hosts = SIMIX_host_get_table();
- host_count = SIMIX_host_get_number();
hdata = xbt_new(s_smpi_host_data_t, 1);
+ SIMIX_host_set_data(host, hdata);
+ SIMIX_process_set_data(SIMIX_process_self(),hdata);
- for (i = 0; i < host_count && host != hosts[i]; i++);
+ for (i = 0; i < smpi_global->host_count && host != smpi_global->hosts[i]; i++);
hdata->index = i;
hdata->mutex = SIMIX_mutex_init();
hdata->cond = SIMIX_cond_init();
- SIMIX_host_set_data(host, hdata);
-
- // node 0 sets the globals
- if (0 == i) {
-
- smpi_global->hosts = hosts;
- smpi_global->host_count = host_count;
-
- smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
-
- // global communicator
- smpi_mpi_global->mpi_comm_world = xbt_new(s_smpi_mpi_communicator_t, 1);
- smpi_mpi_global->mpi_comm_world->size = host_count;
- smpi_mpi_global->mpi_comm_world->barrier_count = 0;
- smpi_mpi_global->mpi_comm_world->barrier_mutex = SIMIX_mutex_init();
- smpi_mpi_global->mpi_comm_world->barrier_cond = SIMIX_cond_init();
- smpi_mpi_global->mpi_comm_world->rank_to_index_map =
- xbt_new(int, host_count);
- smpi_mpi_global->mpi_comm_world->index_to_rank_map =
- xbt_new(int, host_count);
- for (i = 0; i < host_count; i++) {
- smpi_mpi_global->mpi_comm_world->rank_to_index_map[i] = i;
- smpi_mpi_global->mpi_comm_world->index_to_rank_map[i] = i;
- }
-
- // mpi datatypes
- smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1);
- smpi_mpi_global->mpi_byte->size = (size_t) 1;
- smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
- smpi_mpi_global->mpi_int->size = sizeof(int);
- smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
- smpi_mpi_global->mpi_double->size = sizeof(double);
-
- // mpi operations
- smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
- smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
- smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
- smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
-
- // signal all nodes to perform initialization
- SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- smpi_global->root_ready = 1;
- SIMIX_cond_broadcast(smpi_global->start_stop_cond);
- SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
+ hdata->pending_recv_request_queue = xbt_fifo_new();
- } else {
-
- // make sure root is done before own initialization
- SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- 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 * host_count) {
- SIMIX_cond_broadcast(smpi_global->start_stop_cond);
- }
- while (smpi_global->ready_process_count < 3 * host_count) {
- SIMIX_cond_wait(smpi_global->start_stop_cond,
- smpi_global->start_stop_mutex);
- }
- SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
+ hdata->main = SIMIX_process_self();
+ hdata->sender = SIMIX_process_create("smpi_sender",
+ smpi_sender, hdata,
+ SIMIX_host_get_name(SIMIX_host_self()), 0, NULL,
+ /*props */ NULL);
+ hdata->receiver = SIMIX_process_create("smpi_receiver",
+ smpi_receiver, hdata,
+ SIMIX_host_get_name(SIMIX_host_self()), 0, NULL,
+ /*props */ NULL);
+ smpi_global->main_processes[hdata->index] = SIMIX_process_self();
return;
}
-void smpi_mpi_finalize()
+void smpi_process_finalize()
{
int i;
+ smpi_host_data_t hdata = SIMIX_host_get_data(SIMIX_host_self());
- SIMIX_mutex_lock(smpi_global->running_hosts_count_mutex);
i = --smpi_global->running_hosts_count;
- SIMIX_mutex_unlock(smpi_global->running_hosts_count_mutex);
-
- SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- smpi_global->ready_process_count--;
- SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
SIMIX_mutex_destroy(smpi_host_mutex());
SIMIX_cond_destroy(smpi_host_cond());
+ xbt_fifo_free(hdata->pending_recv_request_queue);
if (0 >= i) {
// wake up senders/receivers
+ /* MQ: (FIXME) Don't do so: it breaks since some hosts are already gone
for (i = 0; i < smpi_global->host_count; i++) {
- if (SIMIX_process_is_suspended(smpi_global->sender_processes[i])) {
- SIMIX_process_resume(smpi_global->sender_processes[i]);
- }
- if (SIMIX_process_is_suspended(smpi_global->receiver_processes[i])) {
- SIMIX_process_resume(smpi_global->receiver_processes[i]);
- }
- }
+ smpi_host_data_t remote_hdata = SIMIX_process_get_data(smpi_global->main_processes[i]);
+
+ if (SIMIX_process_is_suspended(remote_hdata->sender))
+ SIMIX_process_resume(remote_hdata->sender);
+
+ if (SIMIX_process_is_suspended(remote_hdata->receiver))
+ SIMIX_process_resume(remote_hdata->receiver);
+ }*/
SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
xbt_free(smpi_mpi_global->mpi_sum);
xbt_free(smpi_mpi_global);
-
}
-
}
int smpi_mpi_barrier(smpi_mpi_communicator_t comm)
int smpi_mpi_isend(smpi_mpi_request_t request)
{
+ smpi_host_data_t hdata = SIMIX_host_get_data(SIMIX_host_self());
int retval = MPI_SUCCESS;
- int index = smpi_host_index();
if (NULL == request) {
retval = MPI_ERR_INTERN;
} else {
- SIMIX_mutex_lock(smpi_global->pending_send_request_queues_mutexes[index]);
- xbt_fifo_push(smpi_global->pending_send_request_queues[index], request);
- SIMIX_mutex_unlock(smpi_global->pending_send_request_queues_mutexes
- [index]);
+ xbt_fifo_push(smpi_global->pending_send_request_queues[hdata->index], request);
- if (SIMIX_process_is_suspended(smpi_global->sender_processes[index])) {
- SIMIX_process_resume(smpi_global->sender_processes[index]);
+ if (SIMIX_process_is_suspended(hdata->sender)) {
+ SIMIX_process_resume(hdata->sender);
}
}
int smpi_mpi_irecv(smpi_mpi_request_t request)
{
int retval = MPI_SUCCESS;
- int index = smpi_host_index();
+ smpi_host_data_t hdata = SIMIX_host_get_data(SIMIX_host_self());
if (NULL == request) {
retval = MPI_ERR_INTERN;
} else {
- SIMIX_mutex_lock(smpi_global->pending_recv_request_queues_mutexes[index]);
- xbt_fifo_push(smpi_global->pending_recv_request_queues[index], request);
- SIMIX_mutex_unlock(smpi_global->pending_recv_request_queues_mutexes
- [index]);
+ xbt_fifo_push(hdata->pending_recv_request_queue, request);
- if (SIMIX_process_is_suspended(smpi_global->receiver_processes[index])) {
- SIMIX_process_resume(smpi_global->receiver_processes[index]);
+ if (SIMIX_process_is_suspended(hdata->receiver)) {
+ SIMIX_process_resume(hdata->receiver);
}
}
