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openmpi/oshmem/runtime/oshmem_shmem_init.c

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/*
* Copyright (c) 2013-2018 Mellanox Technologies, Inc.
* All rights reserved.
* Copyright (c) 2015-2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2015-2018 Cisco Systems, Inc. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "oshmem_config.h"
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif /* HAVE_SYS_TIME_H */
#include <pthread.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <float.h>
#include "math.h"
#include "opal/class/opal_list.h"
#include "opal/mca/base/base.h"
#include "opal/runtime/opal_progress.h"
#include "opal/threads/threads.h"
#include "opal/util/argv.h"
#include "opal/util/output.h"
#include "opal/util/error.h"
#include "opal/util/stacktrace.h"
#include "opal/util/show_help.h"
#include "opal/runtime/opal.h"
#include "orte/util/proc_info.h"
#include "orte/runtime/runtime.h"
#include "orte/mca/grpcomm/grpcomm.h"
#include "orte/runtime/orte_globals.h"
#include "orte/util/show_help.h"
#include "orte/mca/ess/ess.h"
#include "orte/runtime/orte_globals.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/util/name_fns.h"
#include "ompi/datatype/ompi_datatype.h"
#include "opal/mca/rcache/base/base.h"
#include "opal/mca/mpool/base/base.h"
#include "opal/mca/allocator/base/base.h"
#include "ompi/proc/proc.h"
#include "ompi/runtime/mpiruntime.h"
#include "ompi/util/timings.h"
#include "oshmem/constants.h"
#include "oshmem/runtime/runtime.h"
#include "oshmem/runtime/params.h"
#include "oshmem/runtime/oshmem_shmem_preconnect.h"
#include "oshmem/mca/spml/base/base.h"
#include "oshmem/mca/scoll/base/base.h"
#include "oshmem/mca/atomic/base/base.h"
#include "oshmem/mca/memheap/base/base.h"
#include "oshmem/mca/sshmem/base/base.h"
#include "oshmem/info/info.h"
#include "oshmem/proc/proc.h"
#include "oshmem/proc/proc_group_cache.h"
#include "oshmem/op/op.h"
#include "oshmem/request/request.h"
#include "oshmem/shmem/shmem_api_logger.h"
#include "oshmem/shmem/shmem_lock.h"
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#if OPAL_CC_USE_PRAGMA_IDENT
#pragma ident OMPI_IDENT_STRING
#elif OPAL_CC_USE_IDENT
#ident OSHMEM_IDENT_STRING
#endif
/*
* WHAT: add thread for invoking opal_progress() function
* WHY: SHMEM based on current ompi/trunk (by the time of integrating into Open MPI)
* has put/get implementation via send and needs opal_progress() invocation
* on the remote side (i.e. not true one-sided operations).
*/
#define OSHMEM_OPAL_THREAD_ENABLE 0
const char oshmem_version_string[] = OSHMEM_IDENT_STRING;
/*
* Global variables and symbols for the MPI layer
*/
bool oshmem_shmem_initialized = false;
bool oshmem_shmem_aborted = false;
bool oshmem_mpi_thread_multiple = false;
int oshmem_mpi_thread_requested = SHMEM_THREAD_SINGLE;
int oshmem_mpi_thread_provided = SHMEM_THREAD_SINGLE;
long *preconnect_value = 0;
int shmem_api_logger_output = -1;
MPI_Comm oshmem_comm_world = {0};
opal_thread_t *oshmem_mpi_main_thread = NULL;
shmem_internal_mutex_t shmem_internal_mutex_alloc = {{0}};
shmem_ctx_t oshmem_ctx_default = NULL;
static int _shmem_init(int argc, char **argv, int requested, int *provided);
#if OSHMEM_OPAL_THREAD_ENABLE
static void* shmem_opal_thread(void* argc)
{
/*
* WHAT: sleep() invocation
* WHY: there occures a segfault sometimes and sleep()
* reduces it's possibility
*/
sleep(1);
while(oshmem_shmem_initialized)
opal_progress();
return NULL;
}
#endif
int oshmem_shmem_inglobalexit = 0;
int oshmem_shmem_globalexit_status = -1;
static void sighandler__SIGUSR1(int signum)
{
if (0 != oshmem_shmem_inglobalexit)
{
return;
}
_exit(0);
}
static void sighandler__SIGTERM(int signum)
{
/* Do nothing. Just replace other unpredictalbe handlers with this one (e.g. mxm handler). */
}
int oshmem_shmem_init(int argc, char **argv, int requested, int *provided)
{
int ret = OSHMEM_SUCCESS;
OMPI_TIMING_INIT(128);
if (!oshmem_shmem_initialized) {
ret = ompi_mpi_init(argc, argv, requested, provided, true);
OMPI_TIMING_NEXT("ompi_mpi_init");
if (OSHMEM_SUCCESS != ret) {
return ret;
}
PMPI_Comm_dup(MPI_COMM_WORLD, &oshmem_comm_world);
OMPI_TIMING_NEXT("PMPI_Comm_dup");
SHMEM_MUTEX_INIT(shmem_internal_mutex_alloc);
ret = _shmem_init(argc, argv, requested, provided);
OMPI_TIMING_NEXT("_shmem_init");
OMPI_TIMING_IMPORT_OPAL("_shmem_init");
OMPI_TIMING_IMPORT_OPAL("mca_scoll_mpi_comm_query");
OMPI_TIMING_IMPORT_OPAL("mca_scoll_enable");
OMPI_TIMING_IMPORT_OPAL("mca_scoll_base_select");
OMPI_TIMING_IMPORT_OPAL("mca_memheap_base_select");
OMPI_TIMING_IMPORT_OPAL("_memheap_create");
OMPI_TIMING_IMPORT_OPAL_PREFIX("regular_mem", "mca_memheap_base_alloc_init");
OMPI_TIMING_IMPORT_OPAL_PREFIX("device_mem", "mca_memheap_base_alloc_init");
if (OSHMEM_SUCCESS != ret) {
return ret;
}
oshmem_shmem_initialized = true;
if (OSHMEM_SUCCESS != shmem_lock_init()) {
SHMEM_API_ERROR( "shmem_lock_init() failed");
return OSHMEM_ERROR;
}
OMPI_TIMING_NEXT("shmem_lock_init");
/* this is a collective op, implies barrier */
MCA_MEMHEAP_CALL(get_all_mkeys());
OMPI_TIMING_NEXT("get_all_mkeys()");
OMPI_TIMING_IMPORT_OPAL("mca_memheap_modex_recv_all");
oshmem_shmem_preconnect_all();
OMPI_TIMING_NEXT("shmem_preconnect_all");
#if OSHMEM_OPAL_THREAD_ENABLE
pthread_t thread_id;
int perr;
perr = pthread_create(&thread_id, NULL, &shmem_opal_thread, NULL);
if (0 != perr) {
SHMEM_API_ERROR("cannot create opal thread for SHMEM");
return OSHMEM_ERROR;
}
#endif
OMPI_TIMING_NEXT("THREAD_ENABLE");
}
#ifdef SIGUSR1
signal(SIGUSR1,sighandler__SIGUSR1);
signal(SIGTERM,sighandler__SIGTERM);
#endif
OMPI_TIMING_OUT;
OMPI_TIMING_FINALIZE;
return ret;
}
int oshmem_shmem_preconnect_all(void)
{
int rc = OSHMEM_SUCCESS;
/* force qp creation and rkey exchange for memheap. Does not force exchange of static vars */
if (oshmem_preconnect_all) {
long val;
int nproc;
int my_pe;
int i;
val = 0xdeadbeaf;
if (!preconnect_value) {
rc =
MCA_MEMHEAP_CALL(private_alloc(sizeof(long), (void **)&preconnect_value));
}
if (!preconnect_value || (rc != OSHMEM_SUCCESS)) {
SHMEM_API_ERROR("shmem_preconnect_all failed");
return OSHMEM_ERR_OUT_OF_RESOURCE;
}
nproc = oshmem_num_procs();
my_pe = oshmem_my_proc_id();
for (i = 0; i < nproc; i++) {
shmem_long_p(preconnect_value, val, (my_pe + i) % nproc);
}
shmem_barrier_all();
SHMEM_API_VERBOSE(5, "Preconnected all PEs");
}
return OSHMEM_SUCCESS;
}
int oshmem_shmem_preconnect_all_finalize(void)
{
if (preconnect_value) {
MCA_MEMHEAP_CALL(private_free(preconnect_value));
preconnect_value = 0;
}
return OSHMEM_SUCCESS;
}
static int _shmem_init(int argc, char **argv, int requested, int *provided)
{
int ret = OSHMEM_SUCCESS;
char *error = NULL;
oshmem_mpi_thread_requested = requested;
oshmem_mpi_thread_provided = requested;
OPAL_TIMING_ENV_INIT(timing);
/* Register the OSHMEM layer's MCA parameters */
if (OSHMEM_SUCCESS != (ret = oshmem_shmem_register_params())) {
error = "oshmem_info_register: oshmem_register_params failed";
goto error;
}
/* Setting verbosity for macros like SHMEM_API_VERBOSE, SHMEM_API_ERROR.
* We need to set it right after registering mca verbosity variables
*/
shmem_api_logger_output = opal_output_open(NULL);
opal_output_set_verbosity(shmem_api_logger_output,
oshmem_shmem_api_verbose);
OPAL_TIMING_ENV_NEXT(timing, "shmem_params");
/* initialize info */
if (OSHMEM_SUCCESS != (ret = oshmem_info_init())) {
error = "oshmem_info_init() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "oshmem_info_init()");
/* initialize proc */
if (OSHMEM_SUCCESS != (ret = oshmem_proc_init())) {
error = "oshmem_proc_init() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "oshmem_proc_init()");
if (OSHMEM_SUCCESS != (ret = oshmem_op_init())) {
error = "oshmem_op_init() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "oshmem_op_init()");
if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_spml_base_framework, MCA_BASE_OPEN_DEFAULT))) {
error = "mca_spml_base_open() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "open SPML framework");
if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_scoll_base_framework, MCA_BASE_OPEN_DEFAULT))) {
error = "mca_scoll_base_open() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "open SCOLL framework");
if (OSHMEM_SUCCESS != (ret = mca_spml_base_select(OPAL_ENABLE_PROGRESS_THREADS, 1))) {
error = "mca_spml_base_select() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "select SPML framework");
if (OSHMEM_SUCCESS != (ret = mca_scoll_base_find_available(OPAL_ENABLE_PROGRESS_THREADS, 1))) {
error = "mca_scoll_base_find_available() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "find SCOLL components");
/* Initialize each SHMEM handle subsystem */
/* Initialize requests */
if (OSHMEM_SUCCESS != (ret = oshmem_request_init())) {
error = "oshmem_request_init() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "oshmem_request_init()");
if (OSHMEM_SUCCESS != (ret = oshmem_proc_group_init())) {
error = "oshmem_proc_group_init() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "oshmem_proc_group_init()");
/* start SPML/BTL's */
ret = MCA_SPML_CALL(enable(true));
if (OSHMEM_SUCCESS != ret) {
error = "SPML control failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "MCA_SPML_CALL(enable())");
ret =
MCA_SPML_CALL(add_procs(oshmem_group_all, oshmem_group_all->proc_count));
if (OSHMEM_SUCCESS != ret) {
error = "SPML add procs failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "MCA_SPML_CALL(add_procs())");
if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_sshmem_base_framework, MCA_BASE_OPEN_DEFAULT))) {
error = "mca_sshmem_base_open() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "open SSHMEM framework");
if (OSHMEM_SUCCESS != (ret = mca_sshmem_base_select())) {
error = "mca_sshmem_base_select() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "select SSHMEM framework");
if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_memheap_base_framework, MCA_BASE_OPEN_DEFAULT))) {
error = "mca_memheap_base_open() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "open MEMHEAP framework");
if (OSHMEM_SUCCESS != (ret = mca_memheap_base_select())) {
error = "mca_memheap_base_select() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "select MEMHEAP framework");
if (OSHMEM_SUCCESS != (ret = mca_base_framework_open(&oshmem_atomic_base_framework, MCA_BASE_OPEN_DEFAULT))) {
error = "mca_atomic_base_open() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "open ATOMIC framework");
if (OSHMEM_SUCCESS != (ret = mca_atomic_base_find_available(OPAL_ENABLE_PROGRESS_THREADS, 1))) {
error = "mca_atomic_base_find_available() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "find avail ATOMIC framework");
/* This call should be done after memheap initialization */
if (OSHMEM_SUCCESS != (ret = mca_scoll_enable())) {
error = "mca_scoll_enable() failed";
goto error;
}
OPAL_TIMING_ENV_NEXT(timing, "mca_scoll_enable()");
(*provided) = oshmem_mpi_thread_provided;
oshmem_mpi_thread_multiple = (oshmem_mpi_thread_provided == SHMEM_THREAD_MULTIPLE) ? true : false;
error: if (ret != OSHMEM_SUCCESS) {
const char *err_msg = opal_strerror(ret);
orte_show_help("help-shmem-runtime.txt",
"shmem_init:startup:internal-failure",
true,
"SHMEM_INIT",
"SHMEM_INIT",
error,
err_msg,
ret);
return ret;
}
OPAL_TIMING_ENV_NEXT(timing, "DONE");
return ret;
}
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