-#include <stdio.h>
+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
-#include "private.h"
+/* 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. */
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi, XBT_LOG_ROOT_CAT, "All SMPI categories");
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
-smpi_global_t smpi_global = NULL;
+#include "private.h"
+#include "smpi_mpi_dt_private.h"
+#include "mc/mc.h"
+#include "surf/surf.h"
+#include "simix/smx_private.h"
+#include "simgrid/sg_config.h"
+
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
+ "Logging specific to SMPI (kernel)");
+
+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;
+ void *data; /* user data */
+} s_smpi_process_data_t;
+
+static smpi_process_data_t *process_data = NULL;
+static int process_count = 0;
+
+MPI_Comm MPI_COMM_WORLD = MPI_COMM_NULL;
+
+MPI_Errhandler* MPI_ERRORS_RETURN = NULL;
+MPI_Errhandler* MPI_ERRORS_ARE_FATAL = NULL;
+MPI_Errhandler* MPI_ERRHANDLER_NULL = NULL;
+
+#define MAILBOX_NAME_MAXLEN (5 + sizeof(int) * 2 + 1)
+
+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_new(void);
+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_new()
+void smpi_process_init(int *argc, char ***argv)
{
- smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1);
-
- request->buf = NULL;
- request->completed = 0;
- request->mutex = SIMIX_mutex_init();
- request->cond = SIMIX_cond_init();
- request->data = NULL;
- request->forward = 0;
-
- return request;
+ 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;
+ simcall_rdv_set_receiver(data->mailbox_small, proc);// set the process attached to the mailbox
+ XBT_DEBUG("<%d> New process in the game: %p", index, proc);
+ }
}
-void smpi_request_free(void *pointer);
-
-void smpi_request_free(void *pointer)
+void smpi_process_destroy(void)
{
+ int index = smpi_process_index();
- smpi_mpi_request_t request = pointer;
-
- SIMIX_cond_destroy(request->cond);
- SIMIX_mutex_destroy(request->mutex);
- xbt_free(request);
-
- 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;
+#ifdef SMPI_F2C
+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;
+
+ 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_new(void);
+int smpi_global_size(void) {
+ char* value = getenv("SMPI_GLOBAL_SIZE");
-void *smpi_message_new()
-{
- smpi_received_message_t message = xbt_new(s_smpi_received_message_t, 1);
- message->buf = NULL;
- return message;
+ if(!value) {
+ fprintf(stderr, "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n");
+ xbt_abort();
+ }
+ return atoi(value);
}
+#endif
-void smpi_message_free(void *pointer);
-
-void smpi_message_free(void *pointer)
+smpi_process_data_t smpi_process_data(void)
{
- xbt_free(pointer);
- return;
+ return SIMIX_process_self_get_data(SIMIX_process_self());
}
-void smpi_message_reset(void *pointer);
-
-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)
+void smpi_process_set_user_data(void *data)
{
- 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;
+ smpi_process_data_t process_data = smpi_process_data();
+ process_data->data = data;
}
-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();
-
- // 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_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);
-
- // 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();
-
- 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();
- }
+void* smpi_process_get_user_data(){
+ smpi_process_data_t process_data = smpi_process_data();
+ return process_data->data;
+}
+int smpi_process_count(void)
+{
+ return process_count;
}
-void smpi_global_destroy()
+int smpi_process_index(void)
{
- int i;
+ smpi_process_data_t data = smpi_process_data();
- int size = SIMIX_host_get_number();
+ return data->index;
+}
- // start/stop
- SIMIX_mutex_destroy(smpi_global->start_stop_mutex);
- SIMIX_cond_destroy(smpi_global->start_stop_cond);
+smx_rdv_t smpi_process_mailbox(void) {
+ smpi_process_data_t data = smpi_process_data();
- // processes
- xbt_free(smpi_global->sender_processes);
- xbt_free(smpi_global->receiver_processes);
+ return data->mailbox;
+}
- // running hosts
- SIMIX_mutex_destroy(smpi_global->running_hosts_count_mutex);
+smx_rdv_t smpi_process_mailbox_small(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->mailbox_small;
+}
- xbt_os_timer_free(smpi_global->timer);
- SIMIX_mutex_destroy(smpi_global->timer_mutex);
- SIMIX_cond_destroy(smpi_global->timer_cond);
+smx_rdv_t smpi_process_remote_mailbox(int index) {
+ smpi_process_data_t data = smpi_process_remote_data(index);
- 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]);
- }
+ return data->mailbox;
+}
- 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);
+smx_rdv_t smpi_process_remote_mailbox_small(int index) {
+ smpi_process_data_t data = smpi_process_remote_data(index);
- smpi_global = NULL;
+ return data->mailbox_small;
}
-int smpi_host_index()
+xbt_os_timer_t smpi_process_timer(void)
{
- smx_host_t host = SIMIX_host_self();
- smpi_host_data_t hdata = (smpi_host_data_t)SIMIX_host_get_data(host);
+ smpi_process_data_t data = smpi_process_data();
- return hdata->index;
+ return data->timer;
}
-int smpi_run_simulation(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();
+void smpi_process_simulated_start(void) {
+ smpi_process_data_t data = smpi_process_data();
- srand(SMPI_RAND_SEED);
+ data->simulated = SIMIX_get_clock();
+}
- SIMIX_global_init(&argc, argv);
+double smpi_process_simulated_elapsed(void) {
+ smpi_process_data_t data = smpi_process_data();
- SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
- SIMIX_function_register("smpi_sender", smpi_sender);
- SIMIX_function_register("smpi_receiver", smpi_receiver);
+ return SIMIX_get_clock() - data->simulated;
+}
- // FIXME: ought to verify these files...
- SIMIX_create_environment(argv[1]);
+MPI_Comm smpi_process_comm_self(void) {
+ smpi_process_data_t data = smpi_process_data();
- // must initialize globals between creating environment and launching app....
- smpi_global_init();
+ return data->comm_self;
+}
- SIMIX_launch_application(argv[2]);
+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);
+}
- /* Prepare to display some more info when dying on Ctrl-C pressing */
- // FIXME: doesn't work
- //signal(SIGINT, inthandler);
+static void SMPI_comm_copy_buffer_callback(smx_action_t comm, void* buff, size_t buff_size)
+{
+ XBT_DEBUG("Copy the data over");
+ memcpy(comm->comm.dst_buff, buff, buff_size);
+ if (comm->comm.detached) { // if this is a detached send, the source buffer was duplicated by SMPI sender to make the original buffer available to the application ASAP
+ xbt_free(buff);
+ //It seems that the request is used after the call there this should
+ //be free somewhereelse but where???
+ //xbt_free(comm->comm.src_data);// inside SMPI the request is keep
+ //inside the user data and should be free
+ comm->comm.src_buff = NULL;
+ }
+}
- /* Clean IO before the run */
- fflush(stdout);
- fflush(stderr);
+void smpi_global_init(void)
+{
+ int i;
+ MPI_Group group;
+ char name[MAILBOX_NAME_MAXLEN];
+
+ SIMIX_comm_set_copy_data_callback(&SMPI_comm_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]->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);
+ }
+}
- 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);
- }
- }
- }
+void smpi_global_destroy(void)
+{
+ int count = smpi_process_count();
+ int i;
+
+ smpi_bench_destroy();
+ smpi_group_destroy(smpi_comm_group(MPI_COMM_WORLD));
+ smpi_comm_destroy(MPI_COMM_WORLD);
+ MPI_COMM_WORLD = MPI_COMM_NULL;
+ for (i = 0; i < count; i++) {
+ smpi_group_destroy(smpi_comm_group(process_data[i]->comm_self));
+ 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();
+}
- // FIXME: cleanup incomplete
- xbt_fifo_free(actions_failed);
- xbt_fifo_free(actions_done);
+/* 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;
- INFO1("simulation time %g", SIMIX_get_clock());
+#ifndef WIN32
+void __attribute__((weak)) user_main_(){
+ xbt_die("Should not be in this smpi_simulated_main");
+ return;
+}
+int __attribute__((weak)) smpi_simulated_main_(int argc, char** argv) {
+ smpi_process_init(&argc, &argv);
+ user_main_();
+ //xbt_die("Should not be in this smpi_simulated_main");
+ return 0;
+}
- smpi_global_destroy();
+int __attribute__((weak)) main(int argc, char** argv) {
+ return smpi_main(smpi_simulated_main_,argc,argv);
+}
- SIMIX_clean();
+int __attribute__((weak)) MAIN__(){
+ return smpi_main(smpi_simulated_main_,xargc, xargv);
+};
+#endif
- return 0;
+int smpi_main(int (*realmain) (int argc, char *argv[]),int argc, char *argv[])
+{
+ 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;
+ }
+
+ /* Connect log categories. See xbt/log.c */
+ XBT_LOG_CONNECT(smpi); /* Keep this line as soon as possible in this
+ function: xbt_log_appender_file.c depends on it
+ DO NOT connect this in XBT or so, or it will be
+ useless to xbt_log_appender_file.c */
+#ifdef HAVE_TRACING
+ XBT_LOG_CONNECT(instr_smpi);
+#endif
+ 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);
+ XBT_LOG_CONNECT(smpi_replay);
+ XBT_LOG_CONNECT(smpi_colls);
+
+#ifdef HAVE_TRACING
+ TRACE_global_init(&argc, argv);
+
+ TRACE_add_start_function(TRACE_smpi_alloc);
+ TRACE_add_end_function(TRACE_smpi_release);
+#endif
+
+ 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_function_register_default(realmain);
+ SIMIX_launch_application(argv[2]);
+
+ smpi_global_init();
+
+ /* Clean IO before the run */
+ fflush(stdout);
+ fflush(stderr);
+
+ if (MC_is_active())
+ MC_modelcheck_safety();
+ else
+ SIMIX_run();
+
+ if (sg_cfg_get_int("smpi/display_timing"))
+ XBT_INFO("Simulation time: %g seconds.", SIMIX_get_clock());
+
+ smpi_global_destroy();
+
+#ifdef HAVE_TRACING
+ TRACE_end();
+#endif
+
+ return 0;
}
