X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2f2f00652fd75c462b2cb832358e7b66c72c8e07..ad0a588bd29ee5715a65929a6ac2ebb8ff05cd54:/src/smpi/smpi_global.c diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c index aeec12fa57..12da83c2b2 100644 --- a/src/smpi/smpi_global.c +++ b/src/smpi/smpi_global.c @@ -1,301 +1,645 @@ -#include +/* Copyright (c) 2007-2014. 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 "private.h" +#include "smpi_mpi_dt_private.h" +#include "mc/mc.h" +#include "xbt/replay.h" +#include "surf/surf.h" +#include "simix/smx_private.h" +#include "simgrid/sg_config.h" + +#include /* DBL_MAX */ +#include +#include +#include + +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi, + "Logging specific to SMPI (kernel)"); + +typedef struct s_smpi_process_data { + double simulated; + int *argc; + char ***argv; + smx_rdv_t mailbox; + smx_rdv_t mailbox_small; + xbt_os_timer_t timer; + MPI_Comm comm_self; + MPI_Comm* comm_world; + void *data; /* user data */ + int index; + char state; + int sampling; /* inside an SMPI_SAMPLE_ block? */ + char* instance_id; + xbt_bar_t finalization_barrier; +} s_smpi_process_data_t; + +static smpi_process_data_t *process_data = NULL; +int process_count = 0; +int* index_to_process_data = NULL; + + +MPI_Comm MPI_COMM_WORLD = MPI_COMM_UNINITIALIZED; +int MPI_UNIVERSE_SIZE; + +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; +} -smpi_global_t smpi_global = NULL; +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); +void smpi_process_init(int *argc, char ***argv) +{ + int index=-1; + smpi_process_data_t data; + smx_process_t proc; + + if (argc && argv) { + proc = SIMIX_process_self(); + //FIXME: dirty cleanup method to avoid using msg cleanup functions on these processes when using MSG+SMPI + proc->context->cleanup_func=SIMIX_process_cleanup; + char* instance_id = (*argv)[1]; + int rank = atoi((*argv)[2]); + index = SIMIX_process_get_PID(proc) -1; + + if(!index_to_process_data){ + index_to_process_data=(int*)xbt_malloc(SIMIX_process_count()*sizeof(int)); + } + MPI_Comm* temp_comm_world; + xbt_bar_t temp_bar; + smpi_deployment_register_process(instance_id, rank, index, &temp_comm_world ,&temp_bar); + data = smpi_process_remote_data(index); + data->comm_world = temp_comm_world; + if(temp_bar != NULL) data->finalization_barrier = temp_bar; + data->index = index; + data->instance_id = instance_id; + xbt_free(simcall_process_get_data(proc)); + simcall_process_set_data(proc, data); + if (*argc > 3) { + free((*argv)[1]); + free((*argv)[2]); + memmove(&(*argv)[1], &(*argv)[3], sizeof(char *) * (*argc - 3)); + (*argv)[(*argc) - 1] = NULL; + (*argv)[(*argc) - 2] = NULL; + } + (*argc)-=2; + data->argc = argc; + data->argv = argv; + // set the process attached to the mailbox + simcall_rdv_set_receiver(data->mailbox_small, proc); + XBT_DEBUG("<%d> New process in the game: %p", index, proc); + + if(smpi_privatize_global_variables){ + switch_data_segment(index); + } + + } + if (smpi_process_data() == NULL) + xbt_die("smpi_process_data() returned NULL. You probably gave a NULL parameter to MPI_Init. Although it's required by MPI-2, this is currently not supported by SMPI."); +} -void *smpi_request_new() +void smpi_process_destroy(void) { - smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1); + int index = smpi_process_index(); + if(smpi_privatize_global_variables){ + switch_data_segment(index); + } + process_data[index_to_process_data[index]]->state = SMPI_FINALIZED; + XBT_DEBUG("<%d> Process left the game", index); +} - request->buf = NULL; - request->completed = 0; - request->mutex = SIMIX_mutex_init(); - request->cond = SIMIX_cond_init(); - request->data = NULL; - request->forward = 0; +/** + * @brief Prepares the current process for termination. + */ +void smpi_process_finalize(void) +{ + int index = smpi_process_index(); + // wait for all pending asynchronous comms to finish + xbt_barrier_wait(process_data[index_to_process_data[index]]->finalization_barrier); - return request; } -void smpi_request_free(void *pointer); - -void smpi_request_free(void *pointer) +/** + * @brief Check if a process is finalized + */ +int smpi_process_finalized() { + int index = smpi_process_index(); + if (index != MPI_UNDEFINED) + return (process_data[index_to_process_data[index]]->state == SMPI_FINALIZED); + else + return 0; +} - smpi_mpi_request_t request = pointer; - - SIMIX_cond_destroy(request->cond); - SIMIX_mutex_destroy(request->mutex); - xbt_free(request); +/** + * @brief Check if a process is initialized + */ +int smpi_process_initialized(void) +{ + int index = smpi_process_index(); + return ( (index != MPI_UNDEFINED) + && (process_data[index_to_process_data[index]]->state == SMPI_INITIALIZED)); +} - return; +/** + * @brief Mark a process as initialized (=MPI_Init called) + */ +void smpi_process_mark_as_initialized(void) +{ + int index = smpi_process_index(); + if ((index != MPI_UNDEFINED) && (!process_data[index_to_process_data[index]]->state != SMPI_FINALIZED)) + process_data[index_to_process_data[index]]->state = SMPI_INITIALIZED; } -void smpi_request_reset(void *pointer); -void smpi_request_reset(void *pointer) +int smpi_global_size(void) { - smpi_mpi_request_t request = pointer; - - request->buf = NULL; - request->completed = 0; - request->data = NULL; - request->forward = 0; + char *value = getenv("SMPI_GLOBAL_SIZE"); + + if (!value) { + fprintf(stderr, + "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n"); + xbt_abort(); + } + return atoi(value); +} - return; +smpi_process_data_t smpi_process_data(void) +{ + return SIMIX_process_self_get_data(SIMIX_process_self()); } +smpi_process_data_t smpi_process_remote_data(int index) +{ + return process_data[index_to_process_data[index]]; +} -void *smpi_message_new(void); +void smpi_process_set_user_data(void *data) +{ + smpi_process_data_t process_data = smpi_process_data(); + process_data->data = data; +} -void *smpi_message_new() +void *smpi_process_get_user_data() { - smpi_received_message_t message = xbt_new(s_smpi_received_message_t, 1); - message->buf = NULL; - return message; + smpi_process_data_t process_data = smpi_process_data(); + return process_data->data; } -void smpi_message_free(void *pointer); +int smpi_process_count(void) +{ + return process_count; +} -void smpi_message_free(void *pointer) +int smpi_process_index(void) { - xbt_free(pointer); - return; + smpi_process_data_t data = smpi_process_data(); + //return -1 if not initialized + return data ? data->index : MPI_UNDEFINED; } -void smpi_message_reset(void *pointer); +MPI_Comm smpi_process_comm_world(void) +{ + smpi_process_data_t data = smpi_process_data(); + //return MPI_COMM_NULL if not initialized + return data ? *data->comm_world : MPI_COMM_NULL; +} -void smpi_message_reset(void *pointer) +smx_rdv_t smpi_process_mailbox(void) { - smpi_received_message_t message = pointer; - message->buf = NULL; - return; + smpi_process_data_t data = smpi_process_data(); + return data->mailbox; } -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) +smx_rdv_t smpi_process_mailbox_small(void) { - int retval = MPI_SUCCESS; + smpi_process_data_t data = smpi_process_data(); + return data->mailbox_small; +} - smpi_mpi_request_t request = NULL; +smx_rdv_t smpi_process_remote_mailbox(int index) +{ + smpi_process_data_t data = smpi_process_remote_data(index); + return data->mailbox; +} - // 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; +smx_rdv_t smpi_process_remote_mailbox_small(int index) +{ + smpi_process_data_t data = smpi_process_remote_data(index); + return data->mailbox_small; } -void smpi_global_init() +xbt_os_timer_t smpi_process_timer(void) { - int i; + smpi_process_data_t data = smpi_process_data(); + return data->timer; +} - int size = SIMIX_host_get_number(); +void smpi_process_simulated_start(void) +{ + smpi_process_data_t data = smpi_process_data(); + data->simulated = SIMIX_get_clock(); +} - smpi_global = xbt_new(s_smpi_global_t, 1); +double smpi_process_simulated_elapsed(void) +{ + smpi_process_data_t data = smpi_process_data(); + return SIMIX_get_clock() - data->simulated; +} - // config variable - smpi_global->reference_speed = SMPI_DEFAULT_SPEED; +MPI_Comm smpi_process_comm_self(void) +{ + smpi_process_data_t data = smpi_process_data(); + if(data->comm_self==MPI_COMM_NULL){ + MPI_Group group = smpi_group_new(1); + data->comm_self = smpi_comm_new(group, NULL); + smpi_group_set_mapping(group, smpi_process_index(), 0); + } + + return data->comm_self; +} - smpi_global->root_ready = 0; - smpi_global->ready_process_count = 0; +void smpi_process_set_sampling(int s) +{ + smpi_process_data_t data = smpi_process_data(); + data->sampling = s; +} - // start/stop - smpi_global->start_stop_mutex = SIMIX_mutex_init(); - smpi_global->start_stop_cond = SIMIX_cond_init(); +int smpi_process_get_sampling(void) +{ + smpi_process_data_t data = smpi_process_data(); + return data->sampling; +} - // host info blank until sim starts - // FIXME: is this okay? - smpi_global->hosts = NULL; - smpi_global->host_count = 0; +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); +} - // running hosts - smpi_global->running_hosts_count_mutex = SIMIX_mutex_init(); - smpi_global->running_hosts_count = 0; +void smpi_comm_copy_buffer_callback(smx_action_t comm, + void *buff, size_t buff_size) +{ + XBT_DEBUG("Copy the data over"); + if(_xbt_replay_is_active()) return; + void* tmpbuff=buff; + + if((smpi_privatize_global_variables) + && ((char*)buff >= start_data_exe) + && ((char*)buff < start_data_exe + size_data_exe ) + ){ + XBT_DEBUG("Privatization : We are copying from a zone inside global memory... Saving data to temp buffer !"); + switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.src_proc))->index); + tmpbuff = (void*)xbt_malloc(buff_size); + memcpy(tmpbuff, buff, buff_size); + } + + + if((smpi_privatize_global_variables) + && ((char*)comm->comm.dst_buff >= start_data_exe) + && ((char*)comm->comm.dst_buff < start_data_exe + size_data_exe ) + ){ + XBT_DEBUG("Privatization : We are copying to a zone inside global memory - Switch data segment"); + switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.dst_proc))->index); + } + + + memcpy(comm->comm.dst_buff, tmpbuff, 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; + } + + if(tmpbuff!=buff)xbt_free(tmpbuff); - // 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); +static void smpi_check_options(){ + //check correctness of MPI parameters - // sender/receiver processes - smpi_global->sender_processes = xbt_new(smx_process_t, size); - smpi_global->receiver_processes = xbt_new(smx_process_t, size); + xbt_assert(sg_cfg_get_int("smpi/async_small_thres") <= + sg_cfg_get_int("smpi/send_is_detached_thres")); - // timers - smpi_global->timer = xbt_os_timer_new(); - smpi_global->timer_mutex = SIMIX_mutex_init(); - smpi_global->timer_cond = SIMIX_cond_init(); - smpi_global->times_max = 0; - smpi_global->times_mutex = SIMIX_mutex_init(); + if (sg_cfg_is_default_value("smpi/running_power")) { + XBT_INFO("You did not set the power of the host running the simulation. " + "The timings will certainly not be accurate. " + "Use the option \"--cfg=smpi/running_power:\" to set its value." + "Check http://simgrid.org/simgrid/latest/doc/options.html#options_smpi_bench for more information. "); + } +} - 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(); - } +int smpi_enabled(void) { + return process_data != NULL; +} - for (i = 0; i < SMPI_MAX_TIMES; i++) { - smpi_global->times[i] = -1.0; - } +void smpi_global_init(void) +{ + int i; + MPI_Group group; + char name[MAILBOX_NAME_MAXLEN]; + int smpirun=0; + + + if (process_count == 0){ + process_count = SIMIX_process_count(); + smpirun=1; + } + process_data = xbt_new0(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(); + if (MC_is_active()) + MC_ignore_heap(process_data[i]->timer, xbt_os_timer_size()); + process_data[i]->comm_self = MPI_COMM_NULL; + process_data[i]->comm_world = NULL; + process_data[i]->state = SMPI_UNINITIALIZED; + process_data[i]->sampling = 0; + process_data[i]->finalization_barrier = NULL; + } + //if the process was launched through smpirun script + //we generate a global mpi_comm_world + //if not, we let MPI_COMM_NULL, and the comm world + //will be private to each mpi instance + if(smpirun){ + group = smpi_group_new(process_count); + MPI_COMM_WORLD = smpi_comm_new(group, NULL); + xbt_bar_t bar=xbt_barrier_init(process_count); + + MPI_UNIVERSE_SIZE = smpi_comm_size(MPI_COMM_WORLD); + for (i = 0; i < process_count; i++) { + smpi_group_set_mapping(group, i, i); + process_data[i]->finalization_barrier = bar; + } + } +} +void smpi_global_destroy(void) +{ + int count = smpi_process_count(); + int i; + + smpi_bench_destroy(); + if (MPI_COMM_WORLD != MPI_COMM_UNINITIALIZED){ + while (smpi_group_unuse(smpi_comm_group(MPI_COMM_WORLD)) > 0); + xbt_free(MPI_COMM_WORLD); + xbt_barrier_destroy(process_data[0]->finalization_barrier); + }else{ + smpi_deployment_cleanup_instances(); + } + MPI_COMM_WORLD = MPI_COMM_NULL; + for (i = 0; i < count; i++) { + if(process_data[i]->comm_self!=MPI_COMM_NULL){ + smpi_group_unuse(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; + + xbt_free(index_to_process_data); + if(smpi_privatize_global_variables) + smpi_destroy_global_memory_segments(); + smpi_free_static(); } -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); +#ifndef WIN32 +void __attribute__ ((weak)) user_main_() +{ + xbt_die("Should not be in this smpi_simulated_main"); + return; +} - // running hosts - SIMIX_mutex_destroy(smpi_global->running_hosts_count_mutex); +int __attribute__ ((weak)) smpi_simulated_main_(int argc, char **argv) +{ + smpi_process_init(&argc, &argv); + user_main_(); + return 0; +} - // mallocators - xbt_mallocator_free(smpi_global->request_mallocator); - xbt_mallocator_free(smpi_global->message_mallocator); +int __attribute__ ((weak)) main(int argc, char **argv) +{ + return smpi_main(smpi_simulated_main_, argc, argv); +} - xbt_os_timer_free(smpi_global->timer); - SIMIX_mutex_destroy(smpi_global->timer_mutex); - SIMIX_cond_destroy(smpi_global->timer_cond); - SIMIX_mutex_destroy(smpi_global->times_mutex); +#endif + +static void smpi_init_logs(){ + + /* 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_colls); + XBT_LOG_CONNECT(smpi_comm); + XBT_LOG_CONNECT(smpi_dvfs); + 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_rma); - 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_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); +static void smpi_init_options(){ + int gather_id = find_coll_description(mpi_coll_gather_description, + sg_cfg_get_string("smpi/gather")); + mpi_coll_gather_fun = (int (*)(void *, int, MPI_Datatype, + void *, int, MPI_Datatype, int, MPI_Comm)) + mpi_coll_gather_description[gather_id].coll; + + int allgather_id = find_coll_description(mpi_coll_allgather_description, + sg_cfg_get_string("smpi/allgather")); + mpi_coll_allgather_fun = (int (*)(void *, int, MPI_Datatype, + void *, int, MPI_Datatype, MPI_Comm)) + mpi_coll_allgather_description[allgather_id].coll; + + int allgatherv_id = find_coll_description(mpi_coll_allgatherv_description, + sg_cfg_get_string("smpi/allgatherv")); + mpi_coll_allgatherv_fun = (int (*)(void *, int, MPI_Datatype, void *, int *, + int *, MPI_Datatype, MPI_Comm)) + mpi_coll_allgatherv_description[allgatherv_id].coll; + + int allreduce_id = find_coll_description(mpi_coll_allreduce_description, + sg_cfg_get_string("smpi/allreduce")); + mpi_coll_allreduce_fun = (int (*)(void *sbuf, void *rbuf, int rcount, + MPI_Datatype dtype, MPI_Op op, + MPI_Comm comm)) + mpi_coll_allreduce_description[allreduce_id].coll; + + int alltoall_id = find_coll_description(mpi_coll_alltoall_description, + sg_cfg_get_string("smpi/alltoall")); + mpi_coll_alltoall_fun = (int (*)(void *, int, MPI_Datatype, + void *, int, MPI_Datatype, MPI_Comm)) + mpi_coll_alltoall_description[alltoall_id].coll; + + int alltoallv_id = find_coll_description(mpi_coll_alltoallv_description, + sg_cfg_get_string("smpi/alltoallv")); + mpi_coll_alltoallv_fun = (int (*)(void *, int *, int *, MPI_Datatype, + void *, int *, int *, MPI_Datatype, + MPI_Comm)) + mpi_coll_alltoallv_description[alltoallv_id].coll; + + int bcast_id = find_coll_description(mpi_coll_bcast_description, + sg_cfg_get_string("smpi/bcast")); + mpi_coll_bcast_fun = (int (*)(void *buf, int count, MPI_Datatype datatype, + int root, MPI_Comm com)) + mpi_coll_bcast_description[bcast_id].coll; + + int reduce_id = find_coll_description(mpi_coll_reduce_description, + sg_cfg_get_string("smpi/reduce")); + mpi_coll_reduce_fun = (int (*)(void *buf, void *rbuf, int count, + MPI_Datatype datatype, MPI_Op op, + int root, MPI_Comm comm)) + mpi_coll_reduce_description[reduce_id].coll; + + int reduce_scatter_id = + find_coll_description(mpi_coll_reduce_scatter_description, + sg_cfg_get_string("smpi/reduce_scatter")); + mpi_coll_reduce_scatter_fun = (int (*)(void *sbuf, void *rbuf, int *rcounts, + MPI_Datatype dtype, MPI_Op op, + MPI_Comm comm)) + mpi_coll_reduce_scatter_description[reduce_scatter_id].coll; + + int scatter_id = find_coll_description(mpi_coll_scatter_description, + sg_cfg_get_string("smpi/scatter")); + mpi_coll_scatter_fun = (int (*)(void *sendbuf, int sendcount, + MPI_Datatype sendtype, void *recvbuf, + int recvcount, MPI_Datatype recvtype, + int root, MPI_Comm comm)) + mpi_coll_scatter_description[scatter_id].coll; + + int barrier_id = find_coll_description(mpi_coll_barrier_description, + sg_cfg_get_string("smpi/barrier")); + mpi_coll_barrier_fun = (int (*)(MPI_Comm comm)) + mpi_coll_barrier_description[barrier_id].coll; + + smpi_cpu_threshold = sg_cfg_get_double("smpi/cpu_threshold"); + smpi_running_power = sg_cfg_get_double("smpi/running_power"); + smpi_privatize_global_variables = sg_cfg_get_boolean("smpi/privatize_global_variables"); + if (smpi_cpu_threshold < 0) + smpi_cpu_threshold = DBL_MAX; - smpi_global = NULL; } -int smpi_host_index() +int smpi_main(int (*realmain) (int argc, char *argv[]), int argc, char *argv[]) { - smx_host_t host = SIMIX_host_self(); - smpi_host_data_t hdata = (smpi_host_data_t)SIMIX_host_get_data(host); + srand(SMPI_RAND_SEED); - return hdata->index; -} + 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; + } -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; + smpi_init_logs(); + +#ifdef HAVE_TRACING + TRACE_global_init(&argc, argv); - xbt_fifo_t actions_failed = xbt_fifo_new(); - xbt_fifo_t actions_done = xbt_fifo_new(); + TRACE_add_start_function(TRACE_smpi_alloc); + TRACE_add_end_function(TRACE_smpi_release); +#endif - srand(SMPI_RAND_SEED); + SIMIX_global_init(&argc, argv); - SIMIX_global_init(argc, argv); + // parse the platform file: get the host list + SIMIX_create_environment(argv[1]); + SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_buffer_callback); + SIMIX_function_register_default(realmain); + SIMIX_launch_application(argv[2]); - SIMIX_function_register("smpi_simulated_main", smpi_simulated_main); - SIMIX_function_register("smpi_sender", smpi_sender); - SIMIX_function_register("smpi_receiver", smpi_receiver); + smpi_init_options(); - // FIXME: ought to verify these files... - SIMIX_create_environment(argv[1]); + smpi_global_init(); - // must initialize globals between creating environment and launching app.... - smpi_global_init(); + smpi_check_options(); - SIMIX_launch_application(argv[2]); + if(smpi_privatize_global_variables) + smpi_initialize_global_memory_segments(); - /* 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); - /* Clean IO before the run */ - fflush(stdout); - fflush(stderr); + if (MC_is_active()) + MC_do_the_modelcheck_for_real(); + else + SIMIX_run(); - 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); - } - } - } + if (sg_cfg_get_boolean("smpi/display_timing")) + XBT_INFO("Simulation time: %g seconds.", SIMIX_get_clock()); - // FIXME: cleanup incomplete - xbt_fifo_free(actions_failed); - xbt_fifo_free(actions_done); + smpi_global_destroy(); - INFO1("simulation time %g", SIMIX_get_clock()); +#ifdef HAVE_TRACING + TRACE_end(); +#endif - smpi_global_destroy(); + return 0; +} - SIMIX_clean(); +// This function can be called from extern file, to initialize logs, options, and processes of smpi +// without the need of smpirun +void SMPI_init(){ + smpi_init_logs(); + smpi_init_options(); + smpi_global_init(); + smpi_check_options(); +#ifdef HAVE_TRACING + if (TRACE_is_enabled() && TRACE_is_configured()) { + TRACE_smpi_alloc(); + } +#endif + if(smpi_privatize_global_variables) + smpi_initialize_global_memory_segments(); +} - return 0; +void SMPI_finalize(){ + smpi_global_destroy(); }