1
1
openmpi/oshmem/shmem/c/shmem_g.c

53 строки
2.1 KiB
C

/*
* Copyright (c) 2013 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/spml/spml.h"
/*
* These routines provide a low latency mechanism to retrieve basic types (short, int, float,
* double, long) from symmetric data objects on remote PEs.
* Retrieves the value at the symmetric address addr of the remote PE pe.
*/
#define SHMEM_TYPE_G(type_name, type) \
type shmem##type_name##_g(type *addr, int pe) \
{ \
int rc = OSHMEM_SUCCESS; \
size_t size = 0; \
type out_value; \
\
RUNTIME_CHECK_INIT(); \
RUNTIME_CHECK_PE(pe); \
RUNTIME_CHECK_ADDR(addr); \
\
size = sizeof(out_value); \
rc = MCA_SPML_CALL(get( \
(void*)addr, \
size, \
(void*)&out_value, \
pe)); \
RUNTIME_CHECK_RC(rc); \
\
return out_value; \
}
SHMEM_TYPE_G(_short, short)
SHMEM_TYPE_G(_int, int)
SHMEM_TYPE_G(_long, long)
SHMEM_TYPE_G(_longlong, long long)
SHMEM_TYPE_G(_float, float)
SHMEM_TYPE_G(_double, double)
SHMEM_TYPE_G(_longdouble, long double)