393 строки
11 KiB
C
393 строки
11 KiB
C
/*
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* Copyright (c) 2013-2018 Mellanox Technologies, Inc.
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* All rights reserved.
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* Copyright (c) 2015-2016 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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* Copyright (c) 2015-2018 Cisco Systems, Inc. All rights reserved
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "oshmem_config.h"
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif /* HAVE_SYS_TIME_H */
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#include <pthread.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <float.h>
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#include "math.h"
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#include "opal/class/opal_list.h"
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#include "opal/mca/base/base.h"
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#include "opal/runtime/opal_progress.h"
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#include "opal/threads/threads.h"
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#include "opal/util/argv.h"
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#include "opal/util/output.h"
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#include "opal/util/error.h"
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#include "opal/util/stacktrace.h"
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#include "opal/util/show_help.h"
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#include "opal/runtime/opal.h"
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#include "orte/util/proc_info.h"
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#include "orte/runtime/runtime.h"
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#include "orte/mca/grpcomm/grpcomm.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/util/show_help.h"
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#include "orte/mca/ess/ess.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/util/name_fns.h"
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#include "ompi/datatype/ompi_datatype.h"
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#include "opal/mca/rcache/base/base.h"
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#include "opal/mca/mpool/base/base.h"
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#include "opal/mca/allocator/base/base.h"
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#include "ompi/proc/proc.h"
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#include "ompi/runtime/mpiruntime.h"
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#include "ompi/util/timings.h"
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#include "oshmem/constants.h"
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#include "oshmem/runtime/runtime.h"
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#include "oshmem/runtime/params.h"
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#include "oshmem/runtime/oshmem_shmem_preconnect.h"
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#include "oshmem/mca/spml/base/base.h"
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#include "oshmem/mca/scoll/base/base.h"
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#include "oshmem/mca/atomic/base/base.h"
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#include "oshmem/mca/memheap/base/base.h"
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#include "oshmem/mca/sshmem/base/base.h"
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#include "oshmem/info/info.h"
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#include "oshmem/proc/proc.h"
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#include "oshmem/proc/proc_group_cache.h"
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#include "oshmem/op/op.h"
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#include "oshmem/request/request.h"
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#include "oshmem/shmem/shmem_api_logger.h"
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#include "oshmem/shmem/shmem_lock.h"
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#if OPAL_CC_USE_PRAGMA_IDENT
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#pragma ident OMPI_IDENT_STRING
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#elif OPAL_CC_USE_IDENT
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#ident OSHMEM_IDENT_STRING
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#endif
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/*
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* WHAT: add thread for invoking opal_progress() function
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* WHY: SHMEM based on current ompi/trunk (by the time of integrating into Open MPI)
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* has put/get implementation via send and needs opal_progress() invocation
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* on the remote side (i.e. not true one-sided operations).
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*/
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#define OSHMEM_OPAL_THREAD_ENABLE 0
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const char oshmem_version_string[] = OSHMEM_IDENT_STRING;
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/*
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* Global variables and symbols for the MPI layer
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*/
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bool oshmem_shmem_initialized = false;
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bool oshmem_shmem_aborted = false;
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bool oshmem_mpi_thread_multiple = false;
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int oshmem_mpi_thread_requested = SHMEM_THREAD_SINGLE;
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int oshmem_mpi_thread_provided = SHMEM_THREAD_SINGLE;
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long *preconnect_value = 0;
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int shmem_api_logger_output = -1;
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MPI_Comm oshmem_comm_world = {0};
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opal_thread_t *oshmem_mpi_main_thread = NULL;
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shmem_internal_mutex_t shmem_internal_mutex_alloc = {{0}};
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shmem_ctx_t oshmem_ctx_default = NULL;
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static int _shmem_init(int argc, char **argv, int requested, int *provided);
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#if OSHMEM_OPAL_THREAD_ENABLE
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static void* shmem_opal_thread(void* argc)
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{
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/*
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* WHAT: sleep() invocation
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* WHY: there occures a segfault sometimes and sleep()
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* reduces it's possibility
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*/
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sleep(1);
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while(oshmem_shmem_initialized)
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opal_progress();
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return NULL;
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}
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#endif
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int oshmem_shmem_inglobalexit = 0;
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int oshmem_shmem_globalexit_status = -1;
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static void sighandler__SIGUSR1(int signum)
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{
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if (0 != oshmem_shmem_inglobalexit)
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{
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return;
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}
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_exit(0);
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}
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static void sighandler__SIGTERM(int signum)
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{
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/* Do nothing. Just replace other unpredictalbe handlers with this one (e.g. mxm handler). */
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}
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int oshmem_shmem_init(int argc, char **argv, int requested, int *provided)
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{
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int ret = OSHMEM_SUCCESS;
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OMPI_TIMING_INIT(32);
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if (!oshmem_shmem_initialized) {
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ret = ompi_mpi_init(argc, argv, requested, provided, true);
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OMPI_TIMING_NEXT("ompi_mpi_init");
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if (OSHMEM_SUCCESS != ret) {
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return ret;
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}
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PMPI_Comm_dup(MPI_COMM_WORLD, &oshmem_comm_world);
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OMPI_TIMING_NEXT("PMPI_Comm_dup");
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SHMEM_MUTEX_INIT(shmem_internal_mutex_alloc);
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ret = _shmem_init(argc, argv, requested, provided);
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OMPI_TIMING_NEXT("_shmem_init");
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OMPI_TIMING_IMPORT_OPAL("mca_scoll_mpi_comm_query");
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OMPI_TIMING_IMPORT_OPAL("mca_scoll_enable");
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OMPI_TIMING_IMPORT_OPAL("mca_scoll_base_select");
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if (OSHMEM_SUCCESS != ret) {
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return ret;
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}
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oshmem_shmem_initialized = true;
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if (OSHMEM_SUCCESS != shmem_lock_init()) {
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SHMEM_API_ERROR( "shmem_lock_init() failed");
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return OSHMEM_ERROR;
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}
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OMPI_TIMING_NEXT("shmem_lock_init");
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/* this is a collective op, implies barrier */
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MCA_MEMHEAP_CALL(get_all_mkeys());
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OMPI_TIMING_NEXT("get_all_mkeys()");
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oshmem_shmem_preconnect_all();
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OMPI_TIMING_NEXT("shmem_preconnect_all");
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#if OSHMEM_OPAL_THREAD_ENABLE
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pthread_t thread_id;
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int perr;
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perr = pthread_create(&thread_id, NULL, &shmem_opal_thread, NULL);
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if (0 != perr) {
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SHMEM_API_ERROR("cannot create opal thread for SHMEM");
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return OSHMEM_ERROR;
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}
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#endif
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OMPI_TIMING_NEXT("THREAD_ENABLE");
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}
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#ifdef SIGUSR1
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signal(SIGUSR1,sighandler__SIGUSR1);
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signal(SIGTERM,sighandler__SIGTERM);
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#endif
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OMPI_TIMING_OUT;
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OMPI_TIMING_FINALIZE;
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return ret;
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}
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int oshmem_shmem_preconnect_all(void)
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{
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int rc = OSHMEM_SUCCESS;
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/* force qp creation and rkey exchange for memheap. Does not force exchange of static vars */
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if (oshmem_preconnect_all) {
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long val;
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int nproc;
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int my_pe;
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int i;
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val = 0xdeadbeaf;
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if (!preconnect_value) {
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rc =
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MCA_MEMHEAP_CALL(private_alloc(sizeof(long), (void **)&preconnect_value));
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}
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if (!preconnect_value || (rc != OSHMEM_SUCCESS)) {
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SHMEM_API_ERROR("shmem_preconnect_all failed");
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return OSHMEM_ERR_OUT_OF_RESOURCE;
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}
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nproc = oshmem_num_procs();
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my_pe = oshmem_my_proc_id();
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for (i = 0; i < nproc; i++) {
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shmem_long_p(preconnect_value, val, (my_pe + i) % nproc);
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}
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shmem_barrier_all();
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SHMEM_API_VERBOSE(5, "Preconnected all PEs");
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}
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return OSHMEM_SUCCESS;
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}
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int oshmem_shmem_preconnect_all_finalize(void)
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{
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if (preconnect_value) {
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MCA_MEMHEAP_CALL(private_free(preconnect_value));
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preconnect_value = 0;
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}
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return OSHMEM_SUCCESS;
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}
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static int _shmem_init(int argc, char **argv, int requested, int *provided)
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{
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int ret = OSHMEM_SUCCESS;
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char *error = NULL;
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oshmem_mpi_thread_requested = requested;
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oshmem_mpi_thread_provided = requested;
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/* Register the OSHMEM layer's MCA parameters */
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if (OSHMEM_SUCCESS != (ret = oshmem_shmem_register_params())) {
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error = "oshmem_info_register: oshmem_register_params failed";
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goto error;
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}
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/* Setting verbosity for macros like SHMEM_API_VERBOSE, SHMEM_API_ERROR.
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* We need to set it right after registering mca verbosity variables
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*/
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shmem_api_logger_output = opal_output_open(NULL);
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opal_output_set_verbosity(shmem_api_logger_output,
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oshmem_shmem_api_verbose);
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/* initialize info */
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if (OSHMEM_SUCCESS != (ret = oshmem_info_init())) {
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error = "oshmem_info_init() failed";
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goto error;
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}
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/* initialize proc */
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if (OSHMEM_SUCCESS != (ret = oshmem_proc_init())) {
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error = "oshmem_proc_init() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = oshmem_op_init())) {
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error = "oshmem_op_init() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_spml_base_framework, MCA_BASE_OPEN_DEFAULT))) {
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error = "mca_spml_base_open() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_scoll_base_framework, MCA_BASE_OPEN_DEFAULT))) {
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error = "mca_scoll_base_open() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_spml_base_select(OPAL_ENABLE_PROGRESS_THREADS, 1))) {
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error = "mca_spml_base_select() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_scoll_base_find_available(OPAL_ENABLE_PROGRESS_THREADS, 1))) {
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error = "mca_scoll_base_find_available() failed";
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goto error;
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}
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/* Initialize each SHMEM handle subsystem */
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/* Initialize requests */
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if (OSHMEM_SUCCESS != (ret = oshmem_request_init())) {
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error = "oshmem_request_init() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = oshmem_proc_group_init())) {
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error = "oshmem_proc_group_init() failed";
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goto error;
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}
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/* start SPML/BTL's */
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ret = MCA_SPML_CALL(enable(true));
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if (OSHMEM_SUCCESS != ret) {
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error = "SPML control failed";
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goto error;
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}
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ret =
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MCA_SPML_CALL(add_procs(oshmem_group_all->proc_array, oshmem_group_all->proc_count));
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if (OSHMEM_SUCCESS != ret) {
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error = "SPML add procs failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_sshmem_base_framework, MCA_BASE_OPEN_DEFAULT))) {
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error = "mca_sshmem_base_open() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_sshmem_base_select())) {
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error = "mca_sshmem_base_select() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_memheap_base_framework, MCA_BASE_OPEN_DEFAULT))) {
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error = "mca_memheap_base_open() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_memheap_base_select())) {
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error = "mca_memheap_base_select() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_atomic_base_framework, MCA_BASE_OPEN_DEFAULT))) {
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error = "mca_atomic_base_open() failed";
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goto error;
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}
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if (OSHMEM_SUCCESS != (ret = mca_atomic_base_find_available(OPAL_ENABLE_PROGRESS_THREADS, 1))) {
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error = "mca_atomic_base_find_available() failed";
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goto error;
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}
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/* This call should be done after memheap initialization */
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if (OSHMEM_SUCCESS != (ret = mca_scoll_enable())) {
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error = "mca_scoll_enable() failed";
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goto error;
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}
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(*provided) = oshmem_mpi_thread_provided;
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oshmem_mpi_thread_multiple = (oshmem_mpi_thread_provided == SHMEM_THREAD_MULTIPLE) ? true : false;
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error: if (ret != OSHMEM_SUCCESS) {
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const char *err_msg = opal_strerror(ret);
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orte_show_help("help-shmem-runtime.txt",
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"shmem_init:startup:internal-failure",
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true,
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"SHMEM_INIT",
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"SHMEM_INIT",
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error,
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err_msg,
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ret);
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return ret;
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}
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return ret;
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}
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