1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*! \file thrust/system/hip/hipstdpar/impl/batch.hpp
* \brief <tt>Batch operations</tt> implementation detail header for HIPSTDPAR.
*/
#pragma once
#if defined(__HIPSTDPAR__)
#include "hipstd.hpp"
#include <thrust/execution_policy.h>
#include <thrust/for_each.h>
#include <algorithm>
#include <execution>
#include <utility>
namespace std
{
// BEGIN FOR_EACH
template<
typename I,
typename F,
enable_if_t<
::hipstd::is_offloadable_iterator<I>() &&
::hipstd::is_offloadable_callable<F>()>* = nullptr>
inline
void for_each(execution::parallel_unsequenced_policy, I f, I l, F fn)
{
::thrust::for_each(::thrust::device, f, l, ::std::move(fn));
}
template<
typename I,
typename F,
enable_if_t<
!::hipstd::is_offloadable_iterator<I>() ||
!::hipstd::is_offloadable_callable<F>()>* = nullptr>
inline
void for_each(execution::parallel_unsequenced_policy, I f, I l, F fn)
{
if constexpr (!::hipstd::is_offloadable_iterator<I>()) {
::hipstd::unsupported_iterator_category<
typename iterator_traits<I>::iterator_category>();
}
if constexpr (!::hipstd::is_offloadable_callable<F>()) {
::hipstd::unsupported_callable_type<F>();
}
return
::std::for_each(::std::execution::par, f, l, ::std::move(fn));
}
// END FOR_EACH
// BEGIN FOR_EACH_N
template<
typename I,
typename N,
typename F,
enable_if_t<
::hipstd::is_offloadable_iterator<I>() &&
::hipstd::is_offloadable_callable<F>()>* = nullptr>
inline
I for_each_n(execution::parallel_unsequenced_policy, I f, N n, F fn)
{
return
::thrust::for_each_n(::thrust::device, f, n, ::std::move(fn));
}
template<
typename I,
typename N,
typename F,
enable_if_t<
!::hipstd::is_offloadable_iterator<I>() ||
!::hipstd::is_offloadable_callable<F>()>* = nullptr>
inline
I for_each_n(execution::parallel_unsequenced_policy, I f, N n, F fn)
{
if constexpr (!::hipstd::is_offloadable_iterator<I>()) {
::hipstd::unsupported_iterator_category<
typename iterator_traits<I>::iterator_category>();
}
if constexpr (!::hipstd::is_offloadable_callable<F>()) {
::hipstd::unsupported_callable_type<F>();
}
return
::std::for_each_n(::std::execution::par, f, n, ::std::move(fn));
}
// END FOR_EACH_N
}
#else // __HIPSTDPAR__
# error "__HIPSTDPAR__ should be defined. Please use the '--hipstdpar' compile option."
#endif // __HIPSTDPAR__
|
