+/* 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 <stdio.h>
+#include <stdlib.h>
#include "private.h"
+#include "smpi_mpi_dt_private.h"
+#include "mc/mc.h"
+#include "surf/surf.h"
+#include "simix/smx_private.h"
+
XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
"Logging specific to SMPI (kernel)");
-smpi_global_t smpi_global = NULL;
+typedef struct s_smpi_process_data {
+ int index;
+ int* argc;
+ char*** argv;
+ smx_rdv_t mailbox;
+ smx_rdv_t mailbox_small;
+ xbt_os_timer_t timer;
+ double simulated;
+ MPI_Comm comm_self;
+} s_smpi_process_data_t;
-void *smpi_request_new(void);
+static smpi_process_data_t *process_data = NULL;
+static int process_count = 0;
-void *smpi_request_new()
-{
- smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1);
+MPI_Comm MPI_COMM_WORLD = MPI_COMM_NULL;
- request->buf = NULL;
- request->completed = 0;
- request->mutex = SIMIX_mutex_init();
- request->cond = SIMIX_cond_init();
- request->data = NULL;
- request->forward = 0;
+#define MAILBOX_NAME_MAXLEN (5 + sizeof(int) * 2 + 1)
- return request;
+static char* get_mailbox_name(char* str, int index) {
+ snprintf(str, MAILBOX_NAME_MAXLEN, "SMPI-%0*x", (int)(sizeof(int) * 2), index);
+ return str;
}
-void smpi_request_free(void *pointer);
+static char* get_mailbox_name_small(char* str, int index) {
+ snprintf(str, MAILBOX_NAME_MAXLEN, "small%0*x", (int)(sizeof(int) * 2), index);
+ return str;
+}
-void smpi_request_free(void *pointer)
+void smpi_process_init(int *argc, char ***argv)
{
+ int index;
+ smpi_process_data_t data;
+ smx_process_t proc;
+
+ if(argc && argv) {
+ proc = SIMIX_process_self();
+ index = atoi((*argv)[1]);
+ data = smpi_process_remote_data(index);
+ simcall_process_set_data(proc, data);
+ if (*argc > 2) {
+ free((*argv)[1]);
+ memmove(&(*argv)[1], &(*argv)[2], sizeof(char *) * (*argc - 2));
+ (*argv)[(*argc) - 1] = NULL;
+ }
+ (*argc)--;
+ data->argc = argc;
+ data->argv = argv;
+ data->mailbox_small->permanent_receiver=proc;// set the process attached to the mailbox
+ XBT_DEBUG("<%d> New process in the game: %p", index, proc);
+ }
+}
- smpi_mpi_request_t request = pointer;
-
- SIMIX_cond_destroy(request->cond);
- SIMIX_mutex_destroy(request->mutex);
- xbt_free(request);
+void smpi_process_destroy(void)
+{
+ int index = smpi_process_index();
- return;
+ XBT_DEBUG("<%d> Process left the game", index);
}
-void smpi_request_reset(void *pointer);
-
-void smpi_request_reset(void *pointer)
+/**
+ * @brief Prepares the current process for termination.
+ */
+void smpi_process_finalize(void)
{
- smpi_mpi_request_t request = pointer;
+ // wait for all pending asynchronous comms to finish
+ while (SIMIX_process_has_pending_comms(SIMIX_process_self())) {
+ simcall_process_sleep(0.01);
+ }
+}
- request->buf = NULL;
- request->completed = 0;
- request->data = NULL;
- request->forward = 0;
+int smpi_process_argc(void) {
+ smpi_process_data_t data = smpi_process_data();
- return;
+ return data->argc ? *(data->argc) - 1 : 0;
}
+int smpi_process_getarg(integer* index, char* dst, ftnlen len) {
+ smpi_process_data_t data = smpi_process_data();
+ char* arg;
+ ftnlen i;
-void *smpi_message_new(void);
-
-void *smpi_message_new()
-{
- smpi_received_message_t message = xbt_new(s_smpi_received_message_t, 1);
- message->buf = NULL;
- return message;
+ if(!data->argc || !data->argv
+ || *index < 1 || *index >= *(data->argc)) {
+ return -1;
+ }
+ arg = (*data->argv)[*index];
+ for(i = 0; i < len && arg[i] != '\0'; i++) {
+ dst[i] = arg[i];
+ }
+ for(; i < len; i++) {
+ dst[i] = ' ';
+ }
+ return 0;
}
-void smpi_message_free(void *pointer);
+int smpi_global_size(void) {
+ char* value = getenv("SMPI_GLOBAL_SIZE");
-void smpi_message_free(void *pointer)
-{
- xbt_free(pointer);
- return;
+ if(!value) {
+ fprintf(stderr, "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n");
+ abort();
+ }
+ return atoi(value);
}
-void smpi_message_reset(void *pointer);
+smpi_process_data_t smpi_process_data(void)
+{
+ return SIMIX_process_self_get_data(SIMIX_process_self());
+}
-void smpi_message_reset(void *pointer)
+smpi_process_data_t smpi_process_remote_data(int index)
{
- smpi_received_message_t message = pointer;
- message->buf = NULL;
- return;
+ return process_data[index];
}
-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 * requestptr)
+int smpi_process_count(void)
{
- int retval = MPI_SUCCESS;
-
- smpi_mpi_request_t request = NULL;
-
- // parameter checking prob belongs in smpi_mpi, but this is less repeat code
- if (NULL == buf) {
- retval = MPI_ERR_INTERN;
- } else if (0 > count) {
- retval = MPI_ERR_COUNT;
- } else if (NULL == datatype) {
- retval = MPI_ERR_TYPE;
- } 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 (MPI_ANY_TAG != tag && 0 > tag) {
- retval = MPI_ERR_TAG;
- } else if (NULL == comm) {
- retval = MPI_ERR_COMM;
- } else if (NULL == requestptr) {
- retval = MPI_ERR_ARG;
- } 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->datatype = datatype;
- request->count = count;
-
- *requestptr = request;
- }
- return retval;
+ return process_count;
}
-/* FIXME: understand what they do and put the prototypes in a header file (live in smpi_base.c) */
-void smpi_mpi_land_func(void *a, void *b, int *length,
- MPI_Datatype * datatype);
-void smpi_mpi_sum_func(void *a, void *b, int *length,
- MPI_Datatype * datatype);
-void smpi_global_init()
+int smpi_process_index(void)
{
- int i;
+ smpi_process_data_t data = smpi_process_data();
- int size = SIMIX_host_get_number();
-
- /* Connect our log channels: that must be done manually under windows */
-#ifdef XBT_LOG_CONNECT
- XBT_LOG_CONNECT(smpi_base, smpi);
- XBT_LOG_CONNECT(smpi_bench, smpi);
- XBT_LOG_CONNECT(smpi_kernel, smpi);
- XBT_LOG_CONNECT(smpi_mpi, smpi);
- XBT_LOG_CONNECT(smpi_receiver, smpi);
- XBT_LOG_CONNECT(smpi_sender, smpi);
- XBT_LOG_CONNECT(smpi_util, smpi);
-#endif
+ return data->index;
+}
- smpi_global = xbt_new(s_smpi_global_t, 1);
- // config variable
- smpi_global->reference_speed = SMPI_DEFAULT_SPEED;
-
- // host info blank until sim starts
- // FIXME: is this okay?
- smpi_global->hosts = NULL;
- smpi_global->host_count = 0;
-
- // running hosts
- 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_recv_request_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->received_message_queues = xbt_new(xbt_fifo_t, size);
-
- // sender/receiver processes
- smpi_global->sender_processes = xbt_new(smx_process_t, size);
- smpi_global->receiver_processes = xbt_new(smx_process_t, size);
-
- // timers
- smpi_global->timer = xbt_os_timer_new();
- smpi_global->timer_mutex = SIMIX_mutex_init();
- smpi_global->timer_cond = SIMIX_cond_init();
-
- smpi_global->do_once_duration_nodes = NULL;
- smpi_global->do_once_duration = NULL;
- smpi_global->do_once_mutex = SIMIX_mutex_init();
-
- for (i = 0; i < size; i++) {
- smpi_global->pending_send_request_queues[i] = xbt_fifo_new();
- smpi_global->pending_recv_request_queues[i] = xbt_fifo_new();
- smpi_global->received_message_queues[i] = xbt_fifo_new();
- }
+smx_rdv_t smpi_process_mailbox(void) {
+ smpi_process_data_t data = smpi_process_data();
- smpi_global->hosts = SIMIX_host_get_table();
- smpi_global->host_count = SIMIX_host_get_number();
-
- 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 = smpi_global->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, smpi_global->host_count);
- smpi_mpi_global->mpi_comm_world->index_to_rank_map =
- xbt_new(int, smpi_global->host_count);
- for (i = 0; i < smpi_global->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;
- }
+ return data->mailbox;
+}
+
+smx_rdv_t smpi_process_mailbox_small(void) {
+ smpi_process_data_t data = smpi_process_data();
- // 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);
+ return data->mailbox_small;
+}
- // 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;
+smx_rdv_t smpi_process_remote_mailbox(int index) {
+ smpi_process_data_t data = smpi_process_remote_data(index);
+ return data->mailbox;
}
-void smpi_global_destroy()
-{
- int i;
- int size = SIMIX_host_get_number();
+smx_rdv_t smpi_process_remote_mailbox_small(int index) {
+ smpi_process_data_t data = smpi_process_remote_data(index);
- smpi_do_once_duration_node_t curr, next;
+ return data->mailbox_small;
+}
- // processes
- xbt_free(smpi_global->sender_processes);
- xbt_free(smpi_global->receiver_processes);
+xbt_os_timer_t smpi_process_timer(void)
+{
+ smpi_process_data_t data = smpi_process_data();
- // mallocators
- xbt_mallocator_free(smpi_global->request_mallocator);
- xbt_mallocator_free(smpi_global->message_mallocator);
+ return data->timer;
+}
- xbt_os_timer_free(smpi_global->timer);
- SIMIX_mutex_destroy(smpi_global->timer_mutex);
- SIMIX_cond_destroy(smpi_global->timer_cond);
+void smpi_process_simulated_start(void) {
+ smpi_process_data_t data = smpi_process_data();
- for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
- next = curr->next;
- xbt_free(curr->file);
- xbt_free(curr);
- }
+ data->simulated = SIMIX_get_clock();
+}
- SIMIX_mutex_destroy(smpi_global->do_once_mutex);
+double smpi_process_simulated_elapsed(void) {
+ smpi_process_data_t data = smpi_process_data();
- for (i = 0; i < size; i++) {
- xbt_fifo_free(smpi_global->pending_send_request_queues[i]);
- xbt_fifo_free(smpi_global->pending_recv_request_queues[i]);
- xbt_fifo_free(smpi_global->received_message_queues[i]);
- }
+ return SIMIX_get_clock() - data->simulated;
+}
- xbt_free(smpi_global->pending_send_request_queues);
- xbt_free(smpi_global->pending_recv_request_queues);
- xbt_free(smpi_global->received_message_queues);
+MPI_Comm smpi_process_comm_self(void) {
+ smpi_process_data_t data = smpi_process_data();
- xbt_free(smpi_global);
+ return data->comm_self;
+}
- smpi_global = NULL;
+void print_request(const char *message, MPI_Request request) {
+ XBT_DEBUG("%s request %p [buf = %p, size = %zu, src = %d, dst = %d, tag = %d, flags = %x]",
+ message, request, request->buf, request->size,
+ request->src, request->dst, request->tag, request->flags);
}
-int smpi_host_index()
+void smpi_global_init(void)
{
- smx_host_t host = SIMIX_host_self();
- smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
- return hdata->index;
+ int i;
+ MPI_Group group;
+ char name[MAILBOX_NAME_MAXLEN];
+
+ SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_data_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]->argc = NULL;
+ process_data[i]->argv = NULL;
+ process_data[i]->mailbox = simcall_rdv_create(get_mailbox_name(name, i));
+ process_data[i]->mailbox_small = simcall_rdv_create(get_mailbox_name_small(name, i));
+ 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);
+ }
}
-smx_mutex_t smpi_host_mutex()
+void smpi_global_destroy(void)
{
- smx_host_t host = SIMIX_host_self();
- smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
- return hdata->mutex;
+ int count = smpi_process_count();
+ int i;
+
+ smpi_bench_destroy();
+ 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);
+ simcall_rdv_destroy(process_data[i]->mailbox);
+ simcall_rdv_destroy(process_data[i]->mailbox_small);
+ xbt_free(process_data[i]);
+ }
+ xbt_free(process_data);
+ process_data = NULL;
+
+ smpi_free_static();
}
-smx_cond_t smpi_host_cond()
-{
- smx_host_t host = SIMIX_host_self();
- smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
- return hdata->cond;
+/* Fortran specific stuff */
+/* With smpicc, the following weak symbols are used */
+/* With smpiff, the following weak symbols are replaced by those in libf2c */
+int __attribute__((weak)) xargc;
+char** __attribute__((weak)) xargv;
+
+int __attribute__((weak)) main(int argc, char** argv) {
+ xargc = argc;
+ xargv = argv;
+ return MAIN__();
}
-int smpi_run_simulation(int *argc, char **argv)
+int MAIN__(void)
{
- smx_cond_t cond = NULL;
- smx_action_t action = NULL;
+ srand(SMPI_RAND_SEED);
+
+ if(getenv("SMPI_PRETEND_CC") != NULL) {
+ /* Hack to ensure that smpicc can pretend to be a simple compiler. Particularly handy to pass it to the configuration tools */
+ return 0;
+ }
- xbt_fifo_t actions_failed = xbt_fifo_new();
- xbt_fifo_t actions_done = xbt_fifo_new();
+ /* Connect log categories. See xbt/log.c */
+ XBT_LOG_CONNECT(smpi);
+ XBT_LOG_CONNECT(smpi_base);
+ XBT_LOG_CONNECT(smpi_bench);
+ XBT_LOG_CONNECT(smpi_coll);
+ XBT_LOG_CONNECT(smpi_comm);
+ XBT_LOG_CONNECT(smpi_group);
+ XBT_LOG_CONNECT(smpi_kernel);
+ XBT_LOG_CONNECT(smpi_mpi);
+ XBT_LOG_CONNECT(smpi_mpi_dt);
+ XBT_LOG_CONNECT(smpi_pmpi);
+
+#ifdef HAVE_TRACING
+ TRACE_global_init(&xargc, xargv);
+#endif
- srand(SMPI_RAND_SEED);
+ SIMIX_global_init(&xargc, xargv);
- SIMIX_global_init(argc, argv);
+#ifdef HAVE_TRACING
+ TRACE_start();
+#endif
// parse the platform file: get the host list
- SIMIX_create_environment(argv[1]);
+ SIMIX_create_environment(xargv[1]);
- SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
- SIMIX_launch_application(argv[2]);
+ SIMIX_function_register_default(smpi_simulated_main);
+ SIMIX_launch_application(xargv[2]);
- // must initialize globals between creating environment and launching app....
smpi_global_init();
- /* 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);
- SIMIX_init();
-
- 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);
- }
- }
- while ((action = xbt_fifo_pop(actions_done))) {
- DEBUG1("** %s done **", action->name);
- while ((cond = xbt_fifo_pop(action->cond_list))) {
- SIMIX_cond_broadcast(cond);
- }
- }
- }
- // FIXME: cleanup incomplete
- xbt_fifo_free(actions_failed);
- xbt_fifo_free(actions_done);
+ if (MC_IS_ENABLED)
+ MC_modelcheck();
+ else
+ SIMIX_run();
- INFO1("simulation time %g", SIMIX_get_clock());
+ if (xbt_cfg_get_int(_surf_cfg_set, "smpi/display_timing"))
+ XBT_INFO("Simulation time: %g seconds.", SIMIX_get_clock());
smpi_global_destroy();
- SIMIX_clean();
+#ifdef HAVE_TRACING
+ TRACE_end();
+#endif
+ SIMIX_clean();
return 0;
}
