/* * 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)