85 строки
4.2 KiB
C
85 строки
4.2 KiB
C
/*
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* Copyright (c) 2013 Mellanox Technologies, Inc.
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* 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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#include "oshmem/constants.h"
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#include "oshmem/include/shmem.h"
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#include "oshmem/runtime/runtime.h"
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#include "oshmem/mca/spml/spml.h"
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/*
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* The strided get routines copy strided data located on a remote PE to a local strided data object.
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* The strided get routines retrieve array data available at address source on remote PE (pe).
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* The elements of the source array are separated by a stride sst. Once the data is received,
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* it is stored at the local memory address target, separated by stride tst. The routines return
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* when the data has been copied into the local target array.
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*/
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#define SHMEM_TYPE_IGET(type_name, type) \
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void shmem##type_name##_iget(type *target, const type *source, ptrdiff_t tst, ptrdiff_t sst, size_t nelems, int pe) \
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{ \
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int rc = OSHMEM_SUCCESS; \
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size_t element_size = 0; \
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size_t i = 0; \
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\
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RUNTIME_CHECK_INIT(); \
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RUNTIME_CHECK_PE(pe); \
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RUNTIME_CHECK_ADDR(source); \
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\
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element_size = sizeof(type); \
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for (i = 0; i < nelems; i++) \
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{ \
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rc = MCA_SPML_CALL(get( \
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(void*)(source + i * sst), \
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element_size, \
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(void*)(target + i * tst), \
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pe)); \
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} \
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RUNTIME_CHECK_RC(rc); \
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\
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return ; \
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}
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SHMEM_TYPE_IGET(_short, short)
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SHMEM_TYPE_IGET(_int, int)
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SHMEM_TYPE_IGET(_long, long)
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SHMEM_TYPE_IGET(_longlong, long long)
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SHMEM_TYPE_IGET(_float, float)
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SHMEM_TYPE_IGET(_double, double)
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SHMEM_TYPE_IGET(_longdouble, long double)
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#define SHMEM_TYPE_IGETMEM(name, element_size) \
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void shmem##name(void *target, const void *source, ptrdiff_t tst, ptrdiff_t sst, size_t nelems, int pe) \
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{ \
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int rc = OSHMEM_SUCCESS; \
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size_t i = 0; \
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\
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RUNTIME_CHECK_INIT(); \
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RUNTIME_CHECK_PE(pe); \
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RUNTIME_CHECK_ADDR(source); \
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\
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for (i = 0; i < nelems; i++) \
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{ \
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rc = MCA_SPML_CALL(get( \
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(void*)((char*)source + i * sst * element_size), \
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element_size, \
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(void*)((char*)target + i * tst * element_size), \
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pe)); \
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} \
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RUNTIME_CHECK_RC(rc); \
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\
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return ; \
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}
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SHMEM_TYPE_IGETMEM(_iget32, 4)
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SHMEM_TYPE_IGETMEM(_iget64, 8)
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SHMEM_TYPE_IGETMEM(_iget128, 16)
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