51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/*
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* SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#if defined(__CUDACC__) && defined(__CUDA_ARCH__)
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#define _CPU_AND_GPU_CODE_ __host__ __device__ // for CUDA device code
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#else
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#define _CPU_AND_GPU_CODE_
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#endif
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#if defined(__CUDACC__)
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#define _CPU_AND_GPU_CODE_TEMPLATE_ __host__ __device__ // for CUDA device code
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#else
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#define _CPU_AND_GPU_CODE_TEMPLATE_
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#endif
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#if defined(__CUDACC__) && defined(__CUDA_ARCH__)
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#define _CPU_AND_GPU_CONSTANT_ __constant__ // for CUDA device code
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#else
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#define _CPU_AND_GPU_CONSTANT_ const
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#endif
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#if defined(__CUDACC__) && defined(__CUDA_ARCH__)
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#include <THC/THCAtomics.cuh>
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template <typename ScalarT>
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static inline __device__ void atomicAdd(ScalarT* addr, ScalarT value) {
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gpuAtomicAddNoReturn(addr, value);
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}
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#else
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template <typename ScalarT>
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static inline void atomicAdd(ScalarT* addr, ScalarT value) {
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*addr += value;
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}
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#endif
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