X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/272ccad1b68b6d9c17069f3c934886925bb15b5d..d584ad0ae57046630209a2a166f5c8c5a3140e76:/src/smpi/smpi_global.c diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c index f1570122eb..bfd7ba1276 100644 --- a/src/smpi/smpi_global.c +++ b/src/smpi/smpi_global.c @@ -1,42 +1,61 @@ -/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team. +/* Copyright (c) 2007-2013. 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 -#include -#include - #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_CATEGORY(smpi, "All SMPI categories"); +#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 { - int index; - int* argc; - char*** argv; + double simulated; + 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 */ + int index; + int initialized; + int sampling; /* inside an SMPI_SAMPLE_ block? */ } 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; +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); +static char *get_mailbox_name(char *str, int index) +{ + snprintf(str, MAILBOX_NAME_MAXLEN, "SMPI-%0*x", (int) (sizeof(int) * 2), + index); + return str; +} + +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; } @@ -46,7 +65,7 @@ void smpi_process_init(int *argc, char ***argv) smpi_process_data_t data; smx_process_t proc; - if(argc && argv) { + if (argc && argv) { proc = SIMIX_process_self(); index = atoi((*argv)[1]); data = smpi_process_remote_data(index); @@ -59,6 +78,8 @@ void smpi_process_init(int *argc, char ***argv) (*argc)--; 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); } } @@ -66,7 +87,7 @@ void smpi_process_init(int *argc, char ***argv) void smpi_process_destroy(void) { int index = smpi_process_index(); - + process_data[index]->index = -100; XBT_DEBUG("<%d> Process left the game", index); } @@ -77,44 +98,78 @@ void smpi_process_finalize(void) { // wait for all pending asynchronous comms to finish while (SIMIX_process_has_pending_comms(SIMIX_process_self())) { - simcall_process_sleep(1); + simcall_process_sleep(0.01); } } -int smpi_process_argc(void) { - smpi_process_data_t data = smpi_process_data(); +/** + * @brief Check if a process is finalized + */ +int smpi_process_finalized() +{ + return (smpi_process_index() == -100); + // If finalized, this value has been set to -100; +} +/** + * @brief Check if a process is initialized + */ +int smpi_process_initialized(void) +{ + int index = smpi_process_index(); + return ((index != -100) && (index != MPI_UNDEFINED) + && (process_data[index]->initialized)); +} + +/** + * @brief Mark a process as initialized (=MPI_Init called) + */ +void smpi_process_mark_as_initialized(void) +{ + int index = smpi_process_index(); + if ((index != -100) && (index != MPI_UNDEFINED)) + process_data[index]->initialized = 1; +} + + +#ifdef SMPI_F2C +int smpi_process_argc(void) +{ + smpi_process_data_t data = smpi_process_data(); return data->argc ? *(data->argc) - 1 : 0; } -int smpi_process_getarg(integer* index, char* dst, ftnlen len) { +int smpi_process_getarg(integer * index, char *dst, ftnlen len) +{ smpi_process_data_t data = smpi_process_data(); - char* arg; + char *arg; ftnlen i; - if(!data->argc || !data->argv - || *index < 1 || *index >= *(data->argc)) { + 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++) { + for (i = 0; i < len && arg[i] != '\0'; i++) { dst[i] = arg[i]; } - for(; i < len; i++) { + for (; i < len; i++) { dst[i] = ' '; } return 0; } -int smpi_global_size(void) { - char* value = getenv("SMPI_GLOBAL_SIZE"); +int smpi_global_size(void) +{ + char *value = getenv("SMPI_GLOBAL_SIZE"); - if(!value) { - fprintf(stderr, "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n"); - abort(); - } - return atoi(value); + if (!value) { + fprintf(stderr, + "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n"); + xbt_abort(); + } + return atoi(value); } +#endif smpi_process_data_t smpi_process_data(void) { @@ -126,6 +181,18 @@ smpi_process_data_t smpi_process_remote_data(int index) return process_data[index]; } +void smpi_process_set_user_data(void *data) +{ + smpi_process_data_t process_data = smpi_process_data(); + process_data->data = data; +} + +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; @@ -134,55 +201,94 @@ int smpi_process_count(void) int smpi_process_index(void) { smpi_process_data_t data = smpi_process_data(); + //return -1 if not initialized + return data ? data->index : MPI_UNDEFINED; +} - return data->index; +smx_rdv_t smpi_process_mailbox(void) +{ + smpi_process_data_t data = smpi_process_data(); + return data->mailbox; } -smx_rdv_t smpi_process_mailbox(void) { +smx_rdv_t smpi_process_mailbox_small(void) +{ smpi_process_data_t data = smpi_process_data(); + return data->mailbox_small; +} +smx_rdv_t smpi_process_remote_mailbox(int index) +{ + smpi_process_data_t data = smpi_process_remote_data(index); return data->mailbox; } -smx_rdv_t smpi_process_remote_mailbox(int index) { - smpi_process_data_t data = smpi_process_remote_data(index); - return data->mailbox; +smx_rdv_t smpi_process_remote_mailbox_small(int index) +{ + smpi_process_data_t data = smpi_process_remote_data(index); + return data->mailbox_small; } xbt_os_timer_t smpi_process_timer(void) { smpi_process_data_t data = smpi_process_data(); - return data->timer; } void smpi_process_simulated_start(void) { smpi_process_data_t data = smpi_process_data(); - data->simulated = SIMIX_get_clock(); } double smpi_process_simulated_elapsed(void) { smpi_process_data_t data = smpi_process_data(); - return SIMIX_get_clock() - data->simulated; } MPI_Comm smpi_process_comm_self(void) { smpi_process_data_t data = smpi_process_data(); - return data->comm_self; } +void smpi_process_set_sampling(int s) +{ + smpi_process_data_t data = smpi_process_data(); + data->sampling = s; +} + +int smpi_process_get_sampling(void) +{ + smpi_process_data_t data = smpi_process_data(); + return data->sampling; +} + 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); + 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); +} + +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; + } } void smpi_global_init(void) @@ -191,7 +297,7 @@ void smpi_global_init(void) MPI_Group group; char name[MAILBOX_NAME_MAXLEN]; - SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_data_callback); + 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++) { @@ -200,16 +306,29 @@ void smpi_global_init(void) 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()); group = smpi_group_new(1); process_data[i]->comm_self = smpi_comm_new(group); + process_data[i]->initialized = 0; + 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); } + + //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) @@ -218,12 +337,15 @@ void smpi_global_destroy(void) int i; smpi_bench_destroy(); - smpi_comm_destroy(MPI_COMM_WORLD); + 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); 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); @@ -235,26 +357,53 @@ void smpi_global_destroy(void) /* 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)) xargc; +char ** __attribute__ ((weak)) xargv; -int __attribute__((weak)) main(int argc, char** argv) { - xargc = argc; - xargv = argv; - return MAIN__(); +#ifndef WIN32 +void __attribute__ ((weak)) user_main_() +{ + xbt_die("Should not be in this smpi_simulated_main"); + return; } -int MAIN__(void) +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; +} + +int __attribute__ ((weak)) main(int argc, char **argv) +{ + return smpi_main(smpi_simulated_main_, argc, argv); +} + +int __attribute__ ((weak)) MAIN__() +{ + return smpi_main(smpi_simulated_main_, xargc, xargv); +}; +#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 */ + 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); + 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); @@ -264,22 +413,104 @@ int MAIN__(void) 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(&xargc, xargv); + TRACE_global_init(&argc, argv); + + TRACE_add_start_function(TRACE_smpi_alloc); + TRACE_add_end_function(TRACE_smpi_release); #endif - 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(xargv[1]); - - SIMIX_function_register_default(smpi_simulated_main); - SIMIX_launch_application(xargv[2]); + SIMIX_create_environment(argv[1]); + + 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_global_init(); @@ -287,12 +518,12 @@ int MAIN__(void) fflush(stdout); fflush(stderr); - if (MC_IS_ENABLED) - MC_modelcheck(); + if (MC_is_active()) + MC_do_the_modelcheck_for_real(); else SIMIX_run(); - if (xbt_cfg_get_int(_surf_cfg_set, "smpi/display_timing")) + if (sg_cfg_get_boolean("smpi/display_timing")) XBT_INFO("Simulation time: %g seconds.", SIMIX_get_clock()); smpi_global_destroy(); @@ -301,6 +532,5 @@ int MAIN__(void) TRACE_end(); #endif - SIMIX_clean(); return 0; }