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cpu.hpp
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1 /*
2  * Copyright (c) 2023, NVIDIA CORPORATION.
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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
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10  * Unless required by applicable law or agreed to in writing, software
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13  * See the License for the specific language governing permissions and
14  * limitations under the License.
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16 #pragma once
17 #include <algorithm>
18 #include <cstring>
22 #include <stdint.h>
23 
24 namespace raft_proto {
25 namespace detail {
26 
27 template <device_type dst_type, device_type src_type, typename T>
28 std::enable_if_t<std::conjunction_v<std::bool_constant<dst_type == device_type::cpu>,
29  std::bool_constant<src_type == device_type::cpu>>,
30  void>
31 copy(T* dst, T const* src, uint32_t size, cuda_stream stream)
32 {
33  std::copy(src, src + size, dst);
34 }
35 
36 template <device_type dst_type, device_type src_type, typename T>
37 std::enable_if_t<
38  std::conjunction_v<std::disjunction<std::bool_constant<dst_type != device_type::cpu>,
39  std::bool_constant<src_type != device_type::cpu>>,
40  std::bool_constant<!GPU_ENABLED>>,
41  void>
42 copy(T* dst, T const* src, uint32_t size, cuda_stream stream)
43 {
44  throw gpu_unsupported("Copying from or to device in non-GPU build");
45 }
46 
47 } // namespace detail
48 } // 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:31
std::enable_if_t< std::conjunction_v< std::disjunction< std::bool_constant< dst_type !=device_type::cpu >, std::bool_constant< src_type !=device_type::cpu > >, std::bool_constant<!GPU_ENABLED > >, void > copy(T *dst, T const *src, uint32_t size, cuda_stream stream)
Definition: cpu.hpp:42
Definition: buffer.hpp:33
int cuda_stream
Definition: cuda_stream.hpp:25
Definition: gpu_support.hpp:46