-#include <stdio.h>
+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include <stdint.h>
#include "private.h"
+#include "smpi_mpi_dt_private.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi,XBT_LOG_ROOT_CAT, "All SMPI categories");
+XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
-SMPI_Global_t smpi_global = NULL;
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
+ "Logging specific to SMPI (kernel)");
-void *smpi_request_new()
-{
- smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1);
+typedef struct s_smpi_process_data {
+ int index;
+ xbt_fifo_t pending_sent;
+ xbt_fifo_t pending_recv;
+ xbt_os_timer_t timer;
+ MPI_Comm comm_self;
+} s_smpi_process_data_t;
+
+static smpi_process_data_t* process_data = NULL;
+static int process_count = 0;
- request->completed = 0;
- request->mutex = SIMIX_mutex_init();
- request->cond = SIMIX_cond_init();
+MPI_Comm MPI_COMM_WORLD = MPI_COMM_NULL;
- return request;
+smpi_process_data_t smpi_process_data(void) {
+ return SIMIX_process_get_data(SIMIX_process_self());
}
-void smpi_request_free(void *pointer)
-{
+smpi_process_data_t smpi_process_remote_data(int index) {
+ return process_data[index];
+}
- smpi_mpi_request_t request = pointer;
+int smpi_process_count(void) {
+ return process_count;
+}
- if (NULL != request) {
- SIMIX_cond_destroy(request->cond);
- SIMIX_mutex_destroy(request->mutex);
- xbt_free(request);
- }
+int smpi_process_index(void) {
+ smpi_process_data_t data = smpi_process_data();
- return;
+ return data->index;
}
-void smpi_request_reset(void *pointer)
-{
- return;
+xbt_os_timer_t smpi_process_timer(void) {
+ smpi_process_data_t data = smpi_process_data();
+
+ return data->timer;
}
+MPI_Comm smpi_process_comm_self(void) {
+ smpi_process_data_t data = smpi_process_data();
-void *smpi_message_new()
-{
- return xbt_new(s_smpi_received_message_t, 1);
+ return data->comm_self;
}
-void smpi_message_free(void *pointer)
-{
- if (NULL != pointer) {
- xbt_free(pointer);
- }
+void print_request(const char* message, MPI_Request request) {
+ char* req = bprintf("[buf = %p, size = %zu, src = %d, dst = %d, tag= %d, complete = %d, flags = %u]",
+ request->buf, request->size, request->src, request->dst, request->tag, request->complete, request->flags);
- return;
+ DEBUG5("%s (request %p with rdv %p and match %p) %s",
+ message, request, request->rdv, request->match, req);
+ free(req);
}
-void smpi_message_reset(void *pointer)
-{
- return;
+void smpi_process_post_send(MPI_Comm comm, MPI_Request request) {
+ int index = smpi_group_index(smpi_comm_group(comm), request->dst);
+ smpi_process_data_t data = smpi_process_remote_data(index);
+ xbt_fifo_item_t item;
+ MPI_Request req;
+
+ print_request("Isend", request);
+ xbt_fifo_foreach(data->pending_recv, item, req, MPI_Request) {
+ if(req->comm == request->comm
+ && (req->src == MPI_ANY_SOURCE || req->src == request->src)
+ && (req->tag == MPI_ANY_TAG || req->tag == request->tag)){
+ print_request("Match found", req);
+ xbt_fifo_remove_item(data->pending_recv, item);
+ /* Materialize the *_ANY_* fields from corresponding irecv request */
+ req->src = request->src;
+ req->tag = request->tag;
+ req->match = request;
+ request->rdv = req->rdv;
+ request->match = req;
+ return;
+ }
+ }
+ request->rdv = SIMIX_rdv_create(NULL);
+ xbt_fifo_push(data->pending_sent, request);
}
-void smpi_global_init()
-{
- 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);
-
- // queues
- 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);
-
- // timers
- 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_process_post_recv(MPI_Request request) {
+ smpi_process_data_t data = smpi_process_data();
+ xbt_fifo_item_t item;
+ MPI_Request req;
+
+ print_request("Irecv", request);
+ xbt_fifo_foreach(data->pending_sent, item, req, MPI_Request) {
+ if(req->comm == request->comm
+ && (request->src == MPI_ANY_SOURCE || req->src == request->src)
+ && (request->tag == MPI_ANY_TAG || req->tag == request->tag)){
+ print_request("Match found", req);
+ xbt_fifo_remove_item(data->pending_sent, item);
+ /* Materialize the *_ANY_* fields from the irecv request */
+ req->match = request;
+ request->src = req->src;
+ request->tag = req->tag;
+ request->rdv = req->rdv;
+ request->match = req;
+ return;
+ }
+ }
+ request->rdv = SIMIX_rdv_create(NULL);
+ xbt_fifo_push(data->pending_recv, request);
+}
+void smpi_global_init(void) {
+ int i;
+ MPI_Group group;
+
+ SIMIX_network_set_copy_data_callback(&SIMIX_network_copy_buffer_callback);
+ process_count = SIMIX_process_count();
+ process_data = xbt_new(smpi_process_data_t, process_count);
+ for(i = 0; i < process_count; i++) {
+ process_data[i] = xbt_new(s_smpi_process_data_t, 1);
+ process_data[i]->index = i;
+ process_data[i]->pending_sent = xbt_fifo_new();
+ process_data[i]->pending_recv = xbt_fifo_new();
+ process_data[i]->timer = xbt_os_timer_new();
+ group = smpi_group_new(1);
+ process_data[i]->comm_self = smpi_comm_new(group);
+ smpi_group_set_mapping(group, i, 0);
+ }
+ group = smpi_group_new(process_count);
+ MPI_COMM_WORLD = smpi_comm_new(group);
+ for(i = 0; i < process_count; i++) {
+ smpi_group_set_mapping(group, i, i);
+ }
}
-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);
-
- smpi_global = NULL;
+void smpi_global_destroy(void) {
+ int count = smpi_process_count();
+ int i;
+
+ smpi_comm_destroy(MPI_COMM_WORLD);
+ MPI_COMM_WORLD = MPI_COMM_NULL;
+ for(i = 0; i < count; i++) {
+ smpi_comm_destroy(process_data[i]->comm_self);
+ xbt_os_timer_free(process_data[i]->timer);
+ xbt_fifo_free(process_data[i]->pending_recv);
+ xbt_fifo_free(process_data[i]->pending_sent);
+ xbt_free(process_data[i]);
+ }
+ xbt_free(process_data);
+ process_data = NULL;
}
-int smpi_run_simulation(int argc, char **argv)
+int main(int argc, char **argv)
{
- xbt_fifo_item_t cond_item = NULL;
- smx_cond_t cond = NULL;
- xbt_fifo_item_t action_item = 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);
- srand(SMPI_RAND_SEED);
+ double default_reference_speed = 20000.0;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
+ "Power of the host running the simulation (in flop/s). Used to bench the operations.",
+ xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL, NULL);
- SIMIX_global_init(&argc, argv);
+ int default_display_timing = 0;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
+ "Boolean indicating whether we should display the timing after simulation.",
+ xbt_cfgelm_int, &default_display_timing, 1, 1, NULL, NULL);
- SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
- SIMIX_function_register("smpi_sender", smpi_sender);
- SIMIX_function_register("smpi_receiver", smpi_receiver);
+ int default_display_smpe = 0;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/log_events",
+ "Boolean indicating whether we should display simulated time spent in MPI calls.",
+ xbt_cfgelm_int, &default_display_smpe, 1, 1, NULL, NULL);
- // FIXME: ought to verify these files...
- SIMIX_create_environment(argv[1]);
+ double default_threshold = 1e-6;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
+ "Minimal computation time (in seconds) not discarded.",
+ xbt_cfgelm_double, &default_threshold, 1, 1, NULL, NULL);
- // must initialize globals between creating environment and launching app....
- smpi_global_init();
+ SIMIX_global_init(&argc, argv);
- SIMIX_launch_application(argv[2]);
+ // parse the platform file: get the host list
+ SIMIX_create_environment(argv[1]);
- /* Prepare to display some more info when dying on Ctrl-C pressing */
- // FIXME: doesn't work
- //signal(SIGINT, inthandler);
+ SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
+ SIMIX_launch_application(argv[2]);
- /* Clean IO before the run */
- fflush(stdout);
- fflush(stderr);
+ smpi_global_init();
- while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
- xbt_fifo_foreach(actions_failed, action_item, action, smx_action_t) {
- DEBUG1("** %s failed **", action->name);
- xbt_fifo_foreach(action->cond_list, cond_item, cond, smx_cond_t) {
- SIMIX_cond_broadcast(cond);
- }
- }
- xbt_fifo_foreach(actions_done, action_item, action, smx_action_t) {
- DEBUG1("** %s done **",action->name);
- xbt_fifo_foreach(action->cond_list, cond_item, cond, smx_cond_t) {
- SIMIX_cond_broadcast(cond);
- }
- }
- }
+ /* Clean IO before the run */
+ fflush(stdout);
+ fflush(stderr);
+ SIMIX_init();
- // FIXME: cleanup incomplete
- xbt_fifo_free(actions_failed);
- xbt_fifo_free(actions_done);
+ while (SIMIX_solve(NULL, NULL) != -1.0);
- INFO1("simulation time %g", SIMIX_get_clock());
+ if (xbt_cfg_get_int(_surf_cfg_set, "smpi/display_timing"))
+ INFO1("simulation time %g", SIMIX_get_clock());
- smpi_global_destroy();
+ smpi_global_destroy();
- SIMIX_clean();
+ SIMIX_message_sizes_output("toto.txt");
- return 0;
+ SIMIX_clean();
+ return 0;
}
