gpu.hpp
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1 /*
2  * Copyright (c) 2023-2024, NVIDIA CORPORATION.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
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12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
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15  */
16 #pragma once
20 
21 #include <cuda_runtime_api.h>
22 
23 #include <stdint.h>
24 
25 #include <type_traits>
26 
27 namespace raft_proto {
28 namespace detail {
29 
30 template <device_type dst_type, device_type src_type, typename T>
31 std::enable_if_t<
32  std::conjunction_v<std::disjunction<std::bool_constant<dst_type == device_type::gpu>,
33  std::bool_constant<src_type == device_type::gpu>>,
34  std::bool_constant<GPU_ENABLED>>,
35  void>
36 copy(T* dst, T const* src, uint32_t size, cuda_stream stream)
37 {
38  raft_proto::cuda_check(cudaMemcpyAsync(dst, src, size * sizeof(T), cudaMemcpyDefault, stream));
39 }
40 
41 } // namespace detail
42 } // namespace raft_proto
std::enable_if_t< std::conjunction_v< std::bool_constant< dst_type==device_type::cpu >, std::bool_constant< src_type==device_type::cpu > >, void > copy(T *dst, T const *src, uint32_t size, cuda_stream stream)
Definition: cpu.hpp:33
Definition: buffer.hpp:35
int cuda_stream
Definition: cuda_stream.hpp:25
void cuda_check(error_t const &err) noexcept(!GPU_ENABLED)
Definition: cuda_check.hpp:26