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openmpi/oshmem/shmem/c/shmem_barrier.c
Mikhail Brinskii 8e9d401938 OSHMEM/SMPL/UCX: Add real fence support
+ Add quiet method to SPML, so it can have different implementation with
fence.
+ Use ucp_worker_fence for spml_fence method of UCX SPML

Signed-off-by: Mikhail Brinskii <mikhailb@mellanox.com>
2018-05-25 22:43:06 +03:00

67 строки
1.6 KiB
C

/*
* Copyright (c) 2013-2018 Mellanox Technologies, Inc.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "oshmem_config.h"
#include "oshmem/constants.h"
#include "oshmem/include/shmem.h"
#include "oshmem/runtime/runtime.h"
#include "oshmem/mca/scoll/scoll.h"
#include "oshmem/mca/scoll/base/base.h"
#include "oshmem/proc/proc.h"
#if OSHMEM_PROFILING
#include "oshmem/include/pshmem.h"
#pragma weak shmem_barrier = pshmem_barrier
#pragma weak shmem_barrier_all = pshmem_barrier_all
#include "oshmem/shmem/c/profile/defines.h"
#endif
void shmem_barrier(int PE_start, int logPE_stride, int PE_size, long *pSync)
{
int rc;
oshmem_group_t* group;
RUNTIME_CHECK_INIT();
#if OSHMEM_SPEC_COMPAT == 1
/* all outstanding puts must be completed */
shmem_quiet();
#endif
/* Create group basing PE_start, logPE_stride and PE_size */
group = oshmem_proc_group_create_nofail(PE_start, 1<<logPE_stride, PE_size);
/* Call barrier operation */
rc = group->g_scoll.scoll_barrier(group, pSync, SCOLL_DEFAULT_ALG);
oshmem_proc_group_destroy(group);
RUNTIME_CHECK_RC(rc);
}
void shmem_barrier_all(void)
{
int rc = OSHMEM_SUCCESS;
#if OSHMEM_SPEC_COMPAT == 1
/* all outstanding puts must be completed */
shmem_quiet();
#endif
if (mca_scoll_sync_array) {
rc = oshmem_group_all->g_scoll.scoll_barrier(oshmem_group_all,
mca_scoll_sync_array,
SCOLL_DEFAULT_ALG);
}
RUNTIME_CHECK_RC(rc);
}