-#include <stdio.h>
-#include <signal.h>
-#include <sys/time.h>
-
#include "private.h"
-SMPI_Global_t smpi_global = NULL;
-
-SMPI_MPI_Global_t smpi_mpi_global = NULL;
+smpi_mpi_global_t smpi_mpi_global = NULL;
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi,XBT_LOG_ROOT_CAT, "All SMPI categories (see \ref SMPI_API)");
-
-int inline smpi_mpi_comm_size(smpi_mpi_communicator_t *comm)
-{
- return comm->size;
-}
+void smpi_mpi_land_func(void *a, void *b, int *length, MPI_Datatype *datatype);
-// FIXME: smarter algorithm?
-int smpi_mpi_comm_rank(smpi_mpi_communicator_t *comm, smx_host_t host)
+void smpi_mpi_land_func(void *a, void *b, int *length, MPI_Datatype *datatype)
{
int i;
-
- for(i = comm->size - 1; i > 0 && host != comm->hosts[i]; i--);
-
- return i;
-}
-
-int inline smpi_mpi_comm_rank_self(smpi_mpi_communicator_t *comm)
-{
- return smpi_mpi_comm_rank(comm, SIMIX_host_self());
-}
-
-//int smpi_mpi_comm_world_rank_self()
-//{
-// return smpi_mpi_comm_rank(smpi_mpi_global->mpi_comm_world, SIMIX_host_self());
-//}
-
-int smpi_sender(int argc, char **argv)
-{
- smx_process_t self;
- smx_host_t shost;
- int rank;
-
- xbt_fifo_t request_queue;
- smx_mutex_t request_queue_mutex;
- int size;
-
- int running_hosts_count;
-
- smpi_mpi_request_t *request;
-
- smx_host_t dhost;
-
- smx_action_t communicate_action;
-
- smpi_received_message_t *message;
-
- int drank;
-
- smx_process_t receiver_process;
-
- self = SIMIX_process_self();
- shost = SIMIX_host_self();
- rank = smpi_mpi_comm_rank(smpi_mpi_global->mpi_comm_world, shost);
-
- // make sure root is done before own initialization
- SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- if (!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);
-
- request_queue = smpi_global->pending_send_request_queues[rank];
- request_queue_mutex = smpi_global->pending_send_request_queues_mutexes[rank];
- size = smpi_mpi_comm_size(smpi_mpi_global->mpi_comm_world);
-
- smpi_global->sender_processes[rank] = self;
-
- // 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 * size) {
- SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
- } else {
- SIMIX_cond_broadcast(smpi_global->start_stop_cond);
- }
- SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
-
- do {
-
- SIMIX_mutex_lock(request_queue_mutex);
- request = xbt_fifo_shift(request_queue);
- SIMIX_mutex_unlock(request_queue_mutex);
-
- if (NULL == request) {
- SIMIX_process_suspend(self);
- } else {
-
- SIMIX_mutex_lock(request->mutex);
-
- // copy request to appropriate received queue
- message = xbt_mallocator_get(smpi_global->message_mallocator);
- message->comm = request->comm;
- message->src = request->src;
- message->dst = request->dst;
- message->tag = request->tag;
- message->buf = xbt_malloc(request->datatype->size * request->count);
- memcpy(message->buf, request->buf, request->datatype->size * request->count);
-
- dhost = request->comm->hosts[request->dst];
- drank = smpi_mpi_comm_rank(smpi_mpi_global->mpi_comm_world, dhost);
-
- SIMIX_mutex_lock(smpi_global->received_message_queues_mutexes[drank]);
- xbt_fifo_push(smpi_global->received_message_queues[drank], message);
- SIMIX_mutex_unlock(smpi_global->received_message_queues_mutexes[drank]);
-
- request->completed = 1;
-
- communicate_action = SIMIX_action_communicate(shost, dhost,
- NULL, request->datatype->size * request->count * 1.0, -1.0);
-
- SIMIX_register_action_to_condition(communicate_action, request->cond);
- SIMIX_cond_wait(request->cond, request->mutex);
- //SIMIX_unregister_action_to_condition(communicate_action, request->cond);
-
- SIMIX_mutex_unlock(request->mutex);
-
- // wake up receiver if necessary
- receiver_process = smpi_global->receiver_processes[drank];
-
- if (SIMIX_process_is_suspended(receiver_process)) {
- SIMIX_process_resume(receiver_process);
- }
-
+ if (*datatype == smpi_mpi_global->mpi_int) {
+ int *x = a, *y = b;
+ for (i = 0; i < *length; i++) {
+ y[i] = x[i] && y[i];
}
-
- SIMIX_mutex_lock(smpi_global->running_hosts_count_mutex);
- running_hosts_count = smpi_global->running_hosts_count;
- SIMIX_mutex_unlock(smpi_global->running_hosts_count_mutex);
-
- } while (0 < running_hosts_count);
-
- SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- smpi_global->ready_process_count--;
- if (smpi_global->ready_process_count == 0) {
- SIMIX_cond_broadcast(smpi_global->start_stop_cond);
- } else if (smpi_global->ready_process_count < 0) {
- // FIXME: can't happen! abort!
- }
- SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
-
- return 0;
-}
-
-int smpi_receiver(int argc, char **argv)
-{
- smx_process_t self;
- int rank;
-
- xbt_fifo_t request_queue;
- smx_mutex_t request_queue_mutex;
- xbt_fifo_t message_queue;
- smx_mutex_t message_queue_mutex;
- int size;
-
- int running_hosts_count;
-
- smpi_mpi_request_t *request;
- smpi_received_message_t *message;
-
- xbt_fifo_item_t request_item;
- xbt_fifo_item_t message_item;
-
- self = SIMIX_process_self();
- rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
-
- // make sure root is done before own initialization
- SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- if (!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);
-
- request_queue = smpi_global->pending_recv_request_queues[rank];
- request_queue_mutex = smpi_global->pending_recv_request_queues_mutexes[rank];
- message_queue = smpi_global->received_message_queues[rank];
- message_queue_mutex = smpi_global->received_message_queues_mutexes[rank];
- size = smpi_mpi_comm_size(smpi_mpi_global->mpi_comm_world);
-
- smpi_global->receiver_processes[rank] = self;
-
- // 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 * size) {
- SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
- } else {
- SIMIX_cond_broadcast(smpi_global->start_stop_cond);
- }
- SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
-
- do {
- request = NULL;
- message = NULL;
-
- // FIXME: better algorithm, maybe some kind of balanced tree? or a heap?
-
- // FIXME: not the best way to request multiple locks...
- SIMIX_mutex_lock(request_queue_mutex);
- SIMIX_mutex_lock(message_queue_mutex);
- for (request_item = xbt_fifo_get_first_item(request_queue);
- NULL != request_item;
- request_item = xbt_fifo_get_next_item(request_item)) {
- request = xbt_fifo_get_item_content(request_item);
- for (message_item = xbt_fifo_get_first_item(message_queue);
- NULL != message_item;
- message_item = xbt_fifo_get_next_item(message_item)) {
- message = xbt_fifo_get_item_content(message_item);
- if (request->comm == message->comm &&
- (MPI_ANY_SOURCE == request->src || request->src == message->src) &&
- request->tag == message->tag) {
- xbt_fifo_remove_item(request_queue, request_item);
- xbt_fifo_remove_item(message_queue, message_item);
- goto stopsearch;
- }
- }
- }
-stopsearch:
- SIMIX_mutex_unlock(message_queue_mutex);
- SIMIX_mutex_unlock(request_queue_mutex);
-
- if (NULL == request || NULL == message) {
- SIMIX_process_suspend(self);
- } else {
- SIMIX_mutex_lock(request->mutex);
-
- memcpy(request->buf, message->buf, request->datatype->size * request->count);
- request->src = message->src;
- request->completed = 1;
- SIMIX_cond_broadcast(request->cond);
-
- SIMIX_mutex_unlock(request->mutex);
-
- xbt_free(message->buf);
- xbt_mallocator_release(smpi_global->message_mallocator, message);
- }
-
- SIMIX_mutex_lock(smpi_global->running_hosts_count_mutex);
- running_hosts_count = smpi_global->running_hosts_count;
- SIMIX_mutex_unlock(smpi_global->running_hosts_count_mutex);
-
- } while (0 < running_hosts_count);
-
- SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- smpi_global->ready_process_count--;
- if (smpi_global->ready_process_count == 0) {
- SIMIX_cond_broadcast(smpi_global->start_stop_cond);
- } else if (smpi_global->ready_process_count < 0) {
- // FIXME: can't happen, abort!
- }
- SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
-
- return 0;
-}
-
-void *smpi_request_new()
-{
- smpi_mpi_request_t *request = xbt_new(smpi_mpi_request_t, 1);
-
- request->completed = 0;
- request->mutex = SIMIX_mutex_init();
- request->cond = SIMIX_cond_init();
-
- return request;
-}
-
-void smpi_request_free(void *pointer)
-{
-
- smpi_mpi_request_t *request = pointer;
-
- if (NULL != request) {
- SIMIX_cond_destroy(request->cond);
- SIMIX_mutex_destroy(request->mutex);
- xbt_free(request);
- }
-
- return;
-}
-
-void smpi_request_reset(void *pointer)
-{
- return;
-}
-
-
-void *smpi_message_new()
-{
- return xbt_new(smpi_received_message_t, 1);
-}
-
-void smpi_message_free(void *pointer)
-{
- if (NULL != pointer) {
- xbt_free(pointer);
}
-
- return;
}
-void smpi_message_reset(void *pointer)
-{
- return;
-}
+void smpi_mpi_sum_func(void *a, void *b, int *length, MPI_Datatype *datatype);
-void smpi_global_init()
+void smpi_mpi_sum_func(void *a, void *b, int *length, MPI_Datatype *datatype)
{
int i;
-
- int size = SIMIX_host_get_number();
-
- smpi_global = xbt_new(s_SMPI_Global_t, 1);
-
- // config variable
- smpi_global->reference_speed = SMPI_DEFAULT_SPEED;
-
- smpi_global->root_ready = 0;
- smpi_global->ready_process_count = 0;
-
- // start/stop
- smpi_global->start_stop_mutex = SIMIX_mutex_init();
- smpi_global->start_stop_cond = SIMIX_cond_init();
-
- // processes
- smpi_global->sender_processes = xbt_new(smx_process_t, size);
- smpi_global->receiver_processes = xbt_new(smx_process_t, size);
-
- // running hosts
- smpi_global->running_hosts_count_mutex = SIMIX_mutex_init();
- smpi_global->running_hosts_count = 0;
-
- // mallocators
- smpi_global->request_mallocator = xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE,
- smpi_request_new, smpi_request_free, smpi_request_reset);
- smpi_global->message_mallocator = xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE,
- smpi_message_new, smpi_message_free, smpi_message_reset);
-
- //
- smpi_global->pending_send_request_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->pending_send_request_queues_mutexes = xbt_new(smx_mutex_t, size);
- smpi_global->pending_recv_request_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->pending_recv_request_queues_mutexes = xbt_new(smx_mutex_t, size);
- smpi_global->received_message_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->received_message_queues_mutexes = xbt_new(smx_mutex_t, size);
- smpi_global->timers = xbt_new(xbt_os_timer_t, size);
- smpi_global->timers_mutexes = xbt_new(smx_mutex_t, size);
-
- for(i = 0; i < size; i++) {
- smpi_global->pending_send_request_queues[i] = xbt_fifo_new();
- smpi_global->pending_send_request_queues_mutexes[i] = SIMIX_mutex_init();
- smpi_global->pending_recv_request_queues[i] = xbt_fifo_new();
- smpi_global->pending_recv_request_queues_mutexes[i] = SIMIX_mutex_init();
- smpi_global->received_message_queues[i] = xbt_fifo_new();
- smpi_global->received_message_queues_mutexes[i] = SIMIX_mutex_init();
- smpi_global->timers[i] = xbt_os_timer_new();
- smpi_global->timers_mutexes[i] = SIMIX_mutex_init();
- }
-
-}
-
-void smpi_global_destroy()
-{
- int i;
-
- int size = SIMIX_host_get_number();
-
- // start/stop
- SIMIX_mutex_destroy(smpi_global->start_stop_mutex);
- SIMIX_cond_destroy(smpi_global->start_stop_cond);
-
- // processes
- xbt_free(smpi_global->sender_processes);
- xbt_free(smpi_global->receiver_processes);
-
- // running hosts
- SIMIX_mutex_destroy(smpi_global->running_hosts_count_mutex);
-
- // mallocators
- xbt_mallocator_free(smpi_global->request_mallocator);
- xbt_mallocator_free(smpi_global->message_mallocator);
-
- for(i = 0; i < size; i++) {
- xbt_fifo_free(smpi_global->pending_send_request_queues[i]);
- SIMIX_mutex_destroy(smpi_global->pending_send_request_queues_mutexes[i]);
- xbt_fifo_free(smpi_global->pending_recv_request_queues[i]);
- SIMIX_mutex_destroy(smpi_global->pending_recv_request_queues_mutexes[i]);
- xbt_fifo_free(smpi_global->received_message_queues[i]);
- SIMIX_mutex_destroy(smpi_global->received_message_queues_mutexes[i]);
- xbt_os_timer_free(smpi_global->timers[i]);
- SIMIX_mutex_destroy(smpi_global->timers_mutexes[i]);
- }
-
- xbt_free(smpi_global->pending_send_request_queues);
- xbt_free(smpi_global->pending_send_request_queues_mutexes);
- xbt_free(smpi_global->pending_recv_request_queues);
- xbt_free(smpi_global->pending_recv_request_queues_mutexes);
- xbt_free(smpi_global->received_message_queues);
- xbt_free(smpi_global->received_message_queues_mutexes);
- xbt_free(smpi_global->timers);
- xbt_free(smpi_global->timers_mutexes);
-
- xbt_free(smpi_global);
-}
-
-int smpi_run_simulation(int argc, char **argv)
-{
- smx_cond_t cond = NULL;
- smx_action_t action = NULL;
-
- xbt_fifo_t actions_failed = xbt_fifo_new();
- xbt_fifo_t actions_done = xbt_fifo_new();
-
- srand(SMPI_RAND_SEED);
-
- SIMIX_global_init(&argc, argv);
-
- SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
- SIMIX_function_register("smpi_sender", smpi_sender);
- SIMIX_function_register("smpi_receiver", smpi_receiver);
-
- // FIXME: ought to verify these files...
- SIMIX_create_environment(argv[1]);
-
- // must initialize globals between creating environment and launching app....
- smpi_global_init();
-
- SIMIX_launch_application(argv[2]);
-
- /* Prepare to display some more info when dying on Ctrl-C pressing */
- // FIXME: doesn't work
- //signal(SIGINT, inthandler);
-
- /* Clean IO before the run */
- fflush(stdout);
- fflush(stderr);
-
- while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
- while ((action = xbt_fifo_pop(actions_failed))) {
- DEBUG1("** %s failed **", action->name);
- while ((cond = xbt_fifo_pop(action->cond_list))) {
- SIMIX_cond_broadcast(cond);
- }
- SIMIX_action_destroy(action);
- }
- while ((action = xbt_fifo_pop(actions_done))) {
- DEBUG1("** %s done **",action->name);
- while ((cond = xbt_fifo_pop(action->cond_list))) {
- SIMIX_cond_broadcast(cond);
- }
- SIMIX_action_destroy(action);
+ if (*datatype == smpi_mpi_global->mpi_int) {
+ int *x = a, *y = b;
+ for (i = 0; i < *length; i++) {
+ y[i] = x[i] + y[i];
}
}
-
- xbt_fifo_free(actions_failed);
- xbt_fifo_free(actions_done);
-
- INFO1("simulation time %g", SIMIX_get_clock());
-
- smpi_global_destroy();
-
- SIMIX_clean();
-
- return 0;
-}
-
-void smpi_mpi_land_func(void *x, void *y, void *z)
-{
- *(int *)z = *(int *)x && *(int *)y;
}
-void smpi_mpi_sum_func(void *x, void *y, void *z)
+int inline smpi_mpi_comm_rank(smpi_mpi_communicator_t comm)
{
- *(int *)z = *(int *)x + *(int *)y;
+ return comm->index_to_rank_map[smpi_host_index()];
}
-
void smpi_mpi_init()
{
- smx_process_t process;
smx_host_t host;
smx_host_t *hosts;
- int size;
+ 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
- process = SIMIX_process_self();
- host = SIMIX_host_self();
- hosts = SIMIX_host_get_table();
- size = SIMIX_host_get_number();
+ host = SIMIX_host_self();
+ hosts = SIMIX_host_get_table();
+ host_count = SIMIX_host_get_number();
+
+ hdata = xbt_new(s_smpi_host_data_t, 1);
+
+ for (i = 0; i < host_count && host != hosts[i]; i ++);
+
+ hdata->index = i;
+
+ SIMIX_host_set_data(host, hdata);
// node 0 sets the globals
- if (host == hosts[0]) {
+ if (0 == i) {
- smpi_mpi_global = xbt_new(s_SMPI_MPI_Global_t, 1);
+ 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(smpi_mpi_communicator_t, 1);
- smpi_mpi_global->mpi_comm_world->size = size;
- 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->hosts = hosts;
- smpi_mpi_global->mpi_comm_world->processes = xbt_new(smx_process_t, size);
- smpi_mpi_global->mpi_comm_world->processes[0] = process;
+ 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(smpi_mpi_datatype_t, 1);
- smpi_mpi_global->mpi_byte->size = (size_t)1;
- smpi_mpi_global->mpi_int = xbt_new(smpi_mpi_datatype_t, 1);
- smpi_mpi_global->mpi_int->size = sizeof(int);
- smpi_mpi_global->mpi_double = xbt_new(smpi_mpi_datatype_t, 1);
- smpi_mpi_global->mpi_double->size = sizeof(double);
+ 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(smpi_mpi_op_t, 1);
- smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
- smpi_mpi_global->mpi_sum = xbt_new(smpi_mpi_op_t, 1);
- smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
+ 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);
}
SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
- smpi_mpi_global->mpi_comm_world->processes[smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world)] = process;
}
// 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 * size) {
+ if (smpi_global->ready_process_count < 3 * host_count) {
SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
} else {
SIMIX_cond_broadcast(smpi_global->start_stop_cond);
if (0 >= i) {
// wake up senders/receivers
- for (i = 0; i < smpi_mpi_global->mpi_comm_world->size; i++) {
+ 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]);
}
}
}
- // wait for senders/receivers to exit...
- SIMIX_mutex_lock(smpi_global->start_stop_mutex);
- if (smpi_global->ready_process_count > 0) {
- SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
- }
- SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
-
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_comm_world->processes);
xbt_free(smpi_mpi_global->mpi_comm_world);
xbt_free(smpi_mpi_global->mpi_byte);
xbt_free(smpi_mpi_global->mpi_sum);
xbt_free(smpi_mpi_global);
- }
-
-}
-
-// FIXME: could cause trouble with multithreaded procs on same host...
-void smpi_bench_begin()
-{
- int rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
- SIMIX_mutex_lock(smpi_global->timers_mutexes[rank]);
- xbt_os_timer_start(smpi_global->timers[rank]);
- return;
-}
-
-void smpi_bench_end()
-{
- int rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
- double duration;
- smx_host_t host;
- smx_action_t compute_action;
- smx_mutex_t mutex;
- smx_cond_t cond;
-
- xbt_os_timer_stop(smpi_global->timers[rank]);
-
- duration = xbt_os_timer_elapsed(smpi_global->timers[rank]);
- SIMIX_mutex_unlock(smpi_global->timers_mutexes[rank]);
-
- host = smpi_mpi_global->mpi_comm_world->hosts[rank];
- compute_action = SIMIX_action_execute(host, NULL, duration * SMPI_DEFAULT_SPEED);
- mutex = SIMIX_mutex_init();
- cond = SIMIX_cond_init();
-
- SIMIX_mutex_lock(mutex);
- SIMIX_register_action_to_condition(compute_action, cond);
- SIMIX_cond_wait(cond, mutex);
- //SIMIX_unregister_action_to_condition(compute_action, cond);
- SIMIX_mutex_unlock(mutex);
- SIMIX_mutex_destroy(mutex);
- SIMIX_cond_destroy(cond);
-
- // FIXME: check for success/failure?
+ }
- return;
}
-void smpi_barrier(smpi_mpi_communicator_t *comm)
+int smpi_mpi_barrier(smpi_mpi_communicator_t comm)
{
SIMIX_mutex_lock(comm->barrier_mutex);
}
SIMIX_mutex_unlock(comm->barrier_mutex);
- return;
-}
-
-// FIXME: smarter algorithm...
-int smpi_comm_rank(smpi_mpi_communicator_t *comm, smx_host_t host)
-{
- int i;
- for(i = 0; i < comm->size && host != comm->hosts[i]; i++);
- if (i >= comm->size) i = -1;
- return i;
+ return MPI_SUCCESS;
}
-int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t *datatype,
- int src, int dst, int tag, smpi_mpi_communicator_t *comm, smpi_mpi_request_t **request)
+int smpi_mpi_isend(smpi_mpi_request_t request)
{
int retval = MPI_SUCCESS;
+ int index = smpi_host_index();
- *request = NULL;
-
- if (0 > count) {
- retval = MPI_ERR_COUNT;
- } else if (NULL == buf) {
+ if (NULL == request) {
retval = MPI_ERR_INTERN;
- } else if (NULL == datatype) {
- retval = MPI_ERR_TYPE;
- } else if (NULL == comm) {
- retval = MPI_ERR_COMM;
- } else if (MPI_ANY_SOURCE != src && (0 > src || comm->size <= src)) {
- retval = MPI_ERR_RANK;
- } else if (0 > dst || comm->size <= dst) {
- retval = MPI_ERR_RANK;
- } else if (0 > tag) {
- retval = MPI_ERR_TAG;
} else {
- *request = xbt_mallocator_get(smpi_global->request_mallocator);
- (*request)->comm = comm;
- (*request)->src = src;
- (*request)->dst = dst;
- (*request)->tag = tag;
- (*request)->buf = buf;
- (*request)->count = count;
- (*request)->datatype = datatype;
- }
- return retval;
-}
-
-int smpi_isend(smpi_mpi_request_t *request)
-{
- int retval = MPI_SUCCESS;
- int rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
+ 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]);
- if (NULL != request) {
- SIMIX_mutex_lock(smpi_global->pending_send_request_queues_mutexes[rank]);
- xbt_fifo_push(smpi_global->pending_send_request_queues[rank], request);
- SIMIX_mutex_unlock(smpi_global->pending_send_request_queues_mutexes[rank]);
- }
-
- if (SIMIX_process_is_suspended(smpi_global->sender_processes[rank])) {
- SIMIX_process_resume(smpi_global->sender_processes[rank]);
+ if (SIMIX_process_is_suspended(smpi_global->sender_processes[index])) {
+ SIMIX_process_resume(smpi_global->sender_processes[index]);
+ }
}
return retval;
}
-int smpi_irecv(smpi_mpi_request_t *request)
+int smpi_mpi_irecv(smpi_mpi_request_t request)
{
int retval = MPI_SUCCESS;
- int rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
+ int index = smpi_host_index();
- if (NULL != request) {
- SIMIX_mutex_lock(smpi_global->pending_recv_request_queues_mutexes[rank]);
- xbt_fifo_push(smpi_global->pending_recv_request_queues[rank], request);
- SIMIX_mutex_unlock(smpi_global->pending_recv_request_queues_mutexes[rank]);
- }
+ 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]);
- if (SIMIX_process_is_suspended(smpi_global->receiver_processes[rank])) {
- SIMIX_process_resume(smpi_global->receiver_processes[rank]);
+ if (SIMIX_process_is_suspended(smpi_global->receiver_processes[index])) {
+ SIMIX_process_resume(smpi_global->receiver_processes[index]);
+ }
}
return retval;
}
-void smpi_wait(smpi_mpi_request_t *request, smpi_mpi_status_t *status)
+int smpi_mpi_wait(smpi_mpi_request_t request, smpi_mpi_status_t *status)
{
- if (NULL != request) {
+ int retval = MPI_SUCCESS;
+
+ if (NULL == request) {
+ retval = MPI_ERR_INTERN;
+ } else {
SIMIX_mutex_lock(request->mutex);
- if (!request->completed) {
+ while (!request->completed) {
SIMIX_cond_wait(request->cond, request->mutex);
}
if (NULL != status) {
status->MPI_SOURCE = request->src;
+ status->MPI_TAG = request->tag;
+ status->MPI_ERROR = MPI_SUCCESS;
}
SIMIX_mutex_unlock(request->mutex);
}
-}
-// FIXME: move into own file
-int smpi_gettimeofday(struct timeval *tv, struct timezone *tz)
-{
- double now;
- int retval = 0;
- smpi_bench_end();
- if (NULL == tv) {
- retval = -1;
- } else {
- now = SIMIX_get_clock();
- tv->tv_sec = now;
- tv->tv_usec = ((now - (double)tv->tv_sec) * 1000000.0);
- }
- smpi_bench_begin();
return retval;
}
-
-unsigned int smpi_sleep(unsigned int seconds)
-{
- smx_mutex_t mutex;
- smx_cond_t cond;
- smx_host_t host;
- smx_action_t sleep_action;
-
- smpi_bench_end();
- host = SIMIX_host_self();
- sleep_action = SIMIX_action_sleep(host, seconds);
- mutex = SIMIX_mutex_init();
- cond = SIMIX_cond_init();
-
- SIMIX_mutex_lock(mutex);
- SIMIX_register_action_to_condition(sleep_action, cond);
- SIMIX_cond_wait(cond, mutex);
- //SIMIX_unregister_action_to_condition(sleep_action, cond);
- SIMIX_mutex_unlock(mutex);
-
- SIMIX_mutex_destroy(mutex);
- SIMIX_cond_destroy(cond);
-
- // FIXME: check for success/failure?
-
- smpi_bench_begin();
- return 0;
-}
-
-void smpi_exit(int status)
-{
- smpi_bench_end();
- SIMIX_mutex_lock(smpi_global->running_hosts_count_mutex);
- smpi_global->running_hosts_count--;
- SIMIX_mutex_unlock(smpi_global->running_hosts_count_mutex);
- SIMIX_process_kill(SIMIX_process_self());
- return;
-}
