X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a0b1f7cf8921843f639d0bdfe6969486fcdb2116..156df478fec05131317179a0147670b04f1e6493:/src/smpi/smpi_global.c diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c index 290b7c533e..d17f4bd9f6 100644 --- a/src/smpi/smpi_global.c +++ b/src/smpi/smpi_global.c @@ -1,12 +1,13 @@ -/* Copyright (c) 2007-2013. The SimGrid Team. +/* Copyright (c) 2007-2014. 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. */ + * under the terms of the license (GNU LGPL) which comes with this package. */ #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" @@ -27,16 +28,20 @@ typedef struct s_smpi_process_data { smx_rdv_t mailbox_small; xbt_os_timer_t timer; MPI_Comm comm_self; + MPI_Comm* comm_world; void *data; /* user data */ int index; - int initialized; + char state; int sampling; /* inside an SMPI_SAMPLE_ block? */ + char* instance_id; } s_smpi_process_data_t; static smpi_process_data_t *process_data = NULL; -static int process_count = 0; +int process_count = 0; +int* index_to_process_data = NULL; -MPI_Comm MPI_COMM_WORLD = MPI_COMM_NULL; + +MPI_Comm MPI_COMM_WORLD = MPI_COMM_UNINITIALIZED; int MPI_UNIVERSE_SIZE; MPI_Errhandler *MPI_ERRORS_RETURN = NULL; @@ -61,33 +66,60 @@ static char *get_mailbox_name_small(char *str, int index) void smpi_process_init(int *argc, char ***argv) { - int index; + int index=-1; smpi_process_data_t data; smx_process_t proc; if (argc && argv) { proc = SIMIX_process_self(); - index = atoi((*argv)[1]); + //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; + +#ifdef SMPI_F2C + smpi_current_rank = index; +#endif + if(!index_to_process_data){ + index_to_process_data=(int*)xbt_malloc(SIMIX_process_count()*sizeof(int)); + } + MPI_Comm* temp_comm_world = smpi_deployment_register_process(instance_id, rank, index); data = smpi_process_remote_data(index); + data->comm_world = temp_comm_world; + data->index = index; + data->instance_id = instance_id; simcall_process_set_data(proc, data); - if (*argc > 2) { + if (*argc > 3) { free((*argv)[1]); - memmove(&(*argv)[1], &(*argv)[2], sizeof(char *) * (*argc - 2)); + free((*argv)[2]); + memmove(&(*argv)[1], &(*argv)[3], sizeof(char *) * (*argc - 3)); (*argv)[(*argc) - 1] = NULL; + (*argv)[(*argc) - 2] = NULL; } - (*argc)--; + (*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_process_destroy(void) { int index = smpi_process_index(); - process_data[index]->index = -100; + 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); } @@ -96,10 +128,44 @@ void smpi_process_destroy(void) */ void smpi_process_finalize(void) { +#if 0 // wait for all pending asynchronous comms to finish while (SIMIX_process_has_pending_comms(SIMIX_process_self())) { simcall_process_sleep(0.01); } +#else + int i; + int size = smpi_comm_size(MPI_COMM_WORLD); + int rank = smpi_comm_rank(MPI_COMM_WORLD); + /* All non-root send & receive zero-length message. */ + if (rank > 0) { + smpi_mpi_ssend (NULL, 0, MPI_BYTE, 0, + COLL_TAG_BARRIER, + MPI_COMM_WORLD); + smpi_mpi_recv (NULL, 0, MPI_BYTE, 0, + COLL_TAG_BARRIER, + MPI_COMM_WORLD, MPI_STATUS_IGNORE); + } + /* The root collects and broadcasts the messages. */ + else { + MPI_Request* requests; + requests = (MPI_Request*)malloc( size * sizeof(MPI_Request) ); + for (i = 1; i < size; ++i) { + requests[i] = smpi_mpi_irecv(NULL, 0, MPI_BYTE, MPI_ANY_SOURCE, + COLL_TAG_BARRIER, MPI_COMM_WORLD + ); + } + smpi_mpi_waitall( size-1, requests+1, MPI_STATUSES_IGNORE ); + for (i = 1; i < size; ++i) { + requests[i] = smpi_mpi_issend(NULL, 0, MPI_BYTE, i, + COLL_TAG_BARRIER, + MPI_COMM_WORLD + ); + } + smpi_mpi_waitall( size-1, requests+1, MPI_STATUSES_IGNORE ); + free( requests ); + } +#endif } /** @@ -107,8 +173,11 @@ void smpi_process_finalize(void) */ int smpi_process_finalized() { - return (smpi_process_index() == -100); - // If finalized, this value has been set to -100; + int index = smpi_process_index(); + if (index != MPI_UNDEFINED) + return (process_data[index_to_process_data[index]]->state == SMPI_FINALIZED); + else + return 0; } /** @@ -117,8 +186,8 @@ int smpi_process_finalized() int smpi_process_initialized(void) { int index = smpi_process_index(); - return ((index != -100) && (index != MPI_UNDEFINED) - && (process_data[index]->initialized)); + return ( (index != MPI_UNDEFINED) + && (process_data[index_to_process_data[index]]->state == SMPI_INITIALIZED)); } /** @@ -127,8 +196,8 @@ int smpi_process_initialized(void) void smpi_process_mark_as_initialized(void) { int index = smpi_process_index(); - if ((index != -100) && (index != MPI_UNDEFINED)) - process_data[index]->initialized = 1; + if ((index != MPI_UNDEFINED) && (!process_data[index_to_process_data[index]]->state != SMPI_FINALIZED)) + process_data[index_to_process_data[index]]->state = SMPI_INITIALIZED; } @@ -157,6 +226,7 @@ int smpi_process_getarg(integer * index, char *dst, ftnlen len) } return 0; } +#endif int smpi_global_size(void) { @@ -169,7 +239,6 @@ int smpi_global_size(void) } return atoi(value); } -#endif smpi_process_data_t smpi_process_data(void) { @@ -178,7 +247,7 @@ smpi_process_data_t smpi_process_data(void) smpi_process_data_t smpi_process_remote_data(int index) { - return process_data[index]; + return process_data[index_to_process_data[index]]; } void smpi_process_set_user_data(void *data) @@ -205,6 +274,13 @@ int smpi_process_index(void) return data ? data->index : MPI_UNDEFINED; } +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; +} + smx_rdv_t smpi_process_mailbox(void) { smpi_process_data_t data = smpi_process_data(); @@ -251,6 +327,12 @@ double smpi_process_simulated_elapsed(void) 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; } @@ -274,11 +356,34 @@ void print_request(const char *message, MPI_Request request) request->dst, request->tag, request->flags); } -static void SMPI_comm_copy_buffer_callback(smx_action_t comm, +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(_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 @@ -286,9 +391,26 @@ static void SMPI_comm_copy_buffer_callback(smx_action_t comm, //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 + //inside the user data and should be free comm->comm.src_buff = NULL; } + + if(tmpbuff!=buff)xbt_free(tmpbuff); + +} + +static void smpi_check_options(){ + //check correctness of MPI parameters + + xbt_assert(sg_cfg_get_int("smpi/async_small_thres") <= + sg_cfg_get_int("smpi/send_is_detached_thres")); + + 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. "); + } } void smpi_global_init(void) @@ -296,13 +418,17 @@ void smpi_global_init(void) int i; MPI_Group group; char name[MAILBOX_NAME_MAXLEN]; + int smpirun=0; + - 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); + 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]->index = i; process_data[i]->argc = NULL; process_data[i]->argv = NULL; process_data[i]->mailbox = simcall_rdv_create(get_mailbox_name(name, i)); @@ -311,24 +437,23 @@ void smpi_global_init(void) process_data[i]->timer = xbt_os_timer_new(); if (MC_is_active()) MC_ignore_heap(process_data[i]->timer, xbt_os_timer_size()); - group = smpi_group_new(1); - process_data[i]->comm_self = smpi_comm_new(group); - process_data[i]->initialized = 0; + 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; - - smpi_group_set_mapping(group, i, 0); } - group = smpi_group_new(process_count); - MPI_COMM_WORLD = smpi_comm_new(group); - MPI_UNIVERSE_SIZE = smpi_comm_size(MPI_COMM_WORLD); - for (i = 0; i < process_count; i++) { - smpi_group_set_mapping(group, i, i); + //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); + MPI_UNIVERSE_SIZE = smpi_comm_size(MPI_COMM_WORLD); + for (i = 0; i < process_count; i++) { + smpi_group_set_mapping(group, i, i); + } } - - //check correctness of MPI parameters - - xbt_assert(sg_cfg_get_int("smpi/async_small_thres") <= - sg_cfg_get_int("smpi/send_is_detached_thres")); } void smpi_global_destroy(void) @@ -337,12 +462,16 @@ void smpi_global_destroy(void) int i; smpi_bench_destroy(); - while (smpi_group_unuse(smpi_comm_group(MPI_COMM_WORLD)) > 0); - xbt_free(MPI_COMM_WORLD); + if (MPI_COMM_WORLD != MPI_COMM_UNINITIALIZED){ + while (smpi_group_unuse(smpi_comm_group(MPI_COMM_WORLD)) > 0); + xbt_free(MPI_COMM_WORLD); + } MPI_COMM_WORLD = MPI_COMM_NULL; for (i = 0; i < count; i++) { - smpi_group_unuse(smpi_comm_group(process_data[i]->comm_self)); - smpi_comm_destroy(process_data[i]->comm_self); + 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); @@ -351,6 +480,9 @@ void smpi_global_destroy(void) 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(); } @@ -371,7 +503,6 @@ 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; } @@ -386,15 +517,7 @@ int __attribute__ ((weak)) MAIN__() }; #endif -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; - } +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 @@ -407,14 +530,111 @@ int smpi_main(int (*realmain) (int argc, char *argv[]), int argc, char *argv[]) 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_colls); + +} + + +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; + +} + +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; + } + + smpi_init_logs(); #ifdef HAVE_TRACING TRACE_global_init(&argc, argv); @@ -425,95 +645,21 @@ int smpi_main(int (*realmain) (int argc, char *argv[]), int argc, char *argv[]) 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_comm_set_copy_data_callback(&smpi_comm_copy_buffer_callback); SIMIX_function_register_default(realmain); SIMIX_launch_application(argv[2]); - 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"); - if (smpi_cpu_threshold < 0) - smpi_cpu_threshold = DBL_MAX; + smpi_init_options(); smpi_global_init(); + smpi_check_options(); + + if(smpi_privatize_global_variables) + smpi_initialize_global_memory_segments(); + /* Clean IO before the run */ fflush(stdout); fflush(stderr); @@ -534,3 +680,23 @@ int smpi_main(int (*realmain) (int argc, char *argv[]), int argc, char *argv[]) return 0; } + +// 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(); +} + +void SMPI_finalize(){ + smpi_global_destroy(); +}