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/*
* Copyright (c) 2016 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/include/shmemx.h"
#include "oshmem/runtime/runtime.h"
#include "oshmem/op/op.h"
#include "oshmem/mca/atomic/atomic.h"
/*
* These routines perform an atomic fetch operation.
* The fetch routines retrieve the value at address target on PE pe.
* The operation must be completed without the possibility of another process
* updating target during the fetch.
*/
#define DO_SHMEM_TYPE_ATOMIC_FETCH(ctx, type_name, type, target, pe, out_value) do { \
int rc = OSHMEM_SUCCESS; \
size_t size = 0; \
type value = 0; \
\
RUNTIME_CHECK_INIT(); \
RUNTIME_CHECK_PE(pe); \
RUNTIME_CHECK_ADDR(target); \
\
size = sizeof(out_value); \
rc = MCA_ATOMIC_CALL(fadd( \
ctx, \
(void*)target, \
(void*)&out_value, \
value, \
size, \
pe)); \
RUNTIME_CHECK_RC(rc); \
} while (0)
#define SHMEM_CTX_TYPE_ATOMIC_FETCH(type_name, type, prefix) \
type prefix##_ctx##type_name##_atomic_fetch(shmem_ctx_t ctx, const type *target, int pe) \
{ \
type out_value; \
DO_SHMEM_TYPE_ATOMIC_FETCH(ctx, type_name, type, target, \
pe, out_value); \
return out_value; \
}
#define SHMEM_TYPE_ATOMIC_FETCH(type_name, type, prefix) \
type prefix##type_name##_atomic_fetch(const type *target, int pe) \
{ \
type out_value; \
DO_SHMEM_TYPE_ATOMIC_FETCH(oshmem_ctx_default, type_name, \
type, target, pe, out_value); \
\
return out_value; \
}
#if OSHMEM_PROFILING
#include "oshmem/include/pshmem.h"
#pragma weak shmem_ctx_int_atomic_fetch = pshmem_ctx_int_atomic_fetch
#pragma weak shmem_ctx_long_atomic_fetch = pshmem_ctx_long_atomic_fetch
#pragma weak shmem_ctx_longlong_atomic_fetch = pshmem_ctx_longlong_atomic_fetch
#pragma weak shmem_ctx_uint_atomic_fetch = pshmem_ctx_uint_atomic_fetch
#pragma weak shmem_ctx_ulong_atomic_fetch = pshmem_ctx_ulong_atomic_fetch
#pragma weak shmem_ctx_ulonglong_atomic_fetch = pshmem_ctx_ulonglong_atomic_fetch
#pragma weak shmem_ctx_double_atomic_fetch = pshmem_ctx_double_atomic_fetch
#pragma weak shmem_ctx_float_atomic_fetch = pshmem_ctx_float_atomic_fetch
#pragma weak shmem_ctx_int32_atomic_fetch = pshmem_ctx_int32_atomic_fetch
#pragma weak shmem_ctx_int64_atomic_fetch = pshmem_ctx_int64_atomic_fetch
#pragma weak shmem_ctx_uint32_atomic_fetch = pshmem_ctx_uint32_atomic_fetch
#pragma weak shmem_ctx_uint64_atomic_fetch = pshmem_ctx_uint64_atomic_fetch
#pragma weak shmem_ctx_size_atomic_fetch = pshmem_ctx_size_atomic_fetch
#pragma weak shmem_ctx_ptrdiff_atomic_fetch = pshmem_ctx_ptrdiff_atomic_fetch
#pragma weak shmem_int_atomic_fetch = pshmem_int_atomic_fetch
#pragma weak shmem_long_atomic_fetch = pshmem_long_atomic_fetch
#pragma weak shmem_longlong_atomic_fetch = pshmem_longlong_atomic_fetch
#pragma weak shmem_uint_atomic_fetch = pshmem_uint_atomic_fetch
#pragma weak shmem_ulong_atomic_fetch = pshmem_ulong_atomic_fetch
#pragma weak shmem_ulonglong_atomic_fetch = pshmem_ulonglong_atomic_fetch
#pragma weak shmem_double_atomic_fetch = pshmem_double_atomic_fetch
#pragma weak shmem_float_atomic_fetch = pshmem_float_atomic_fetch
#pragma weak shmem_int32_atomic_fetch = pshmem_int32_atomic_fetch
#pragma weak shmem_int64_atomic_fetch = pshmem_int64_atomic_fetch
#pragma weak shmem_uint32_atomic_fetch = pshmem_uint32_atomic_fetch
#pragma weak shmem_uint64_atomic_fetch = pshmem_uint64_atomic_fetch
#pragma weak shmem_size_atomic_fetch = pshmem_size_atomic_fetch
#pragma weak shmem_ptrdiff_atomic_fetch = pshmem_ptrdiff_atomic_fetch
#pragma weak shmem_int_fetch = pshmem_int_fetch
#pragma weak shmem_long_fetch = pshmem_long_fetch
#pragma weak shmem_longlong_fetch = pshmem_longlong_fetch
#pragma weak shmem_double_fetch = pshmem_double_fetch
#pragma weak shmem_float_fetch = pshmem_float_fetch
#pragma weak shmemx_int32_fetch = pshmemx_int32_fetch
#pragma weak shmemx_int64_fetch = pshmemx_int64_fetch
#include "oshmem/shmem/c/profile-defines.h"
#endif
SHMEM_CTX_TYPE_ATOMIC_FETCH(_int, int, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_long, long, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_longlong, long long, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_uint, unsigned int, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_ulong, unsigned long, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_ulonglong, unsigned long long, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_double, double, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_float, float, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_int32, int32_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_int64, int64_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_uint32, uint32_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_uint64, uint64_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_size, size_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_FETCH(_ptrdiff, ptrdiff_t, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_int, int, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_long, long, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_longlong, long long, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_uint, unsigned int, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_ulong, unsigned long, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_ulonglong, unsigned long long, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_double, double, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_float, float, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_int32, int32_t, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_int64, int64_t, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_uint32, uint32_t, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_uint64, uint64_t, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_size, size_t, shmem)
SHMEM_TYPE_ATOMIC_FETCH(_ptrdiff, ptrdiff_t, shmem)
/* deprecated APIs */
#define SHMEM_TYPE_FETCH(type_name, type, prefix) \
type prefix##type_name##_fetch(const type *target, int pe) \
{ \
type out_value; \
DO_SHMEM_TYPE_ATOMIC_FETCH(oshmem_ctx_default, type_name, \
type, target, pe, out_value); \
return out_value; \
}
SHMEM_TYPE_FETCH(_int, int, shmem)
SHMEM_TYPE_FETCH(_long, long, shmem)
SHMEM_TYPE_FETCH(_longlong, long long, shmem)
SHMEM_TYPE_FETCH(_double, double, shmem)
SHMEM_TYPE_FETCH(_float, float, shmem)
SHMEM_TYPE_FETCH(_int32, int32_t, shmemx)
SHMEM_TYPE_FETCH(_int64, int64_t, shmemx)
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