forked from kokkos/kokkos-remote-spaces
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Kokkos_ROCSHMEMSpace.hpp
172 lines (143 loc) · 5.25 KB
/
Kokkos_ROCSHMEMSpace.hpp
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// Contact: Jan Ciesko (jciesko@sandia.gov)
//
//@HEADER
#ifndef KOKKOS_ROCSHMEMSPACE_HPP
#define KOKKOS_ROCSHMEMSPACE_HPP
#include <cstring>
#include <iosfwd>
#include <string>
#include <typeinfo>
#include <Kokkos_Core.hpp>
#include <Kokkos_RemoteSpaces.hpp>
#include <mpi.h>
namespace Kokkos {
namespace Experimental {
class ROCSHMEMSpace {
public:
#if defined(KOKKOS_ENABLE_HIP)
using execution_space = Kokkos::HIP;
#else
#error \
"At least the following device execution space must be defined: Kokkos::HIP."
#endif
using memory_space = ROCSHMEMSpace;
using device_type = Kokkos::Device<execution_space, memory_space>;
using size_type = size_t;
ROCSHMEMSpace();
ROCSHMEMSpace(ROCSHMEMSpace &&rhs) = default;
ROCSHMEMSpace(const ROCSHMEMSpace &rhs) = default;
ROCSHMEMSpace &operator=(ROCSHMEMSpace &&) = default;
ROCSHMEMSpace &operator=(const ROCSHMEMSpace &) = default;
~ROCSHMEMSpace() = default;
explicit ROCSHMEMSpace(const MPI_Comm &);
/**\brief Allocate untracked memory in the space */
void *allocate(const size_t arg_alloc_size) const;
void *allocate(const char *arg_label, const size_t arg_alloc_size,
const size_t arg_logical_size = 0) const;
/**\brief Deallocate untracked memory in the space */
void deallocate(void *const arg_alloc_ptr, const size_t arg_alloc_size) const;
void deallocate(const char *arg_label, void *const arg_alloc_ptr,
const size_t arg_alloc_size,
const size_t arg_logical_size = 0) const;
private:
void *impl_allocate(const char *arg_label, const size_t arg_alloc_size,
const size_t arg_logical_size = 0,
const Kokkos::Tools::SpaceHandle =
Kokkos::Tools::make_space_handle(name())) const;
void impl_deallocate(const char *arg_label, void *const arg_alloc_ptr,
const size_t arg_alloc_size,
const size_t arg_logical_size = 0,
const Kokkos::Tools::SpaceHandle =
Kokkos::Tools::make_space_handle(name())) const;
/**\brief Return Name of the MemorySpace */
static constexpr const char *name() { return m_name; }
void fence();
int allocation_mode;
int64_t extent;
void impl_set_allocation_mode(const int);
void impl_set_extent(int64_t N);
private:
static constexpr const char *m_name = "ROCSHMEM";
friend class Kokkos::Impl::SharedAllocationRecord<
Kokkos::Experimental::ROCSHMEMSpace, void>;
};
KOKKOS_FUNCTION
size_t get_num_pes();
KOKKOS_FUNCTION
size_t get_my_pe();
} // namespace Experimental
} // namespace Kokkos
namespace Kokkos {
namespace Impl {
template <>
struct DeepCopy<HostSpace, Kokkos::Experimental::ROCSHMEMSpace> {
DeepCopy(void *dst, const void *src, size_t);
};
template <>
struct DeepCopy<Kokkos::Experimental::ROCSHMEMSpace, HostSpace> {
DeepCopy(void *dst, const void *src, size_t);
};
template <class ExecutionSpace>
struct DeepCopy<Kokkos::Experimental::ROCSHMEMSpace,
Kokkos::Experimental::ROCSHMEMSpace, ExecutionSpace> {
DeepCopy(void *dst, const void *src, size_t n);
DeepCopy(const ExecutionSpace &exec, void *dst, const void *src, size_t n);
};
template <>
struct MemorySpaceAccess<Kokkos::Experimental::ROCSHMEMSpace,
Kokkos::HostSpace> {
enum : bool { assignable = false };
enum : bool { accessible = false };
enum : bool { deepcopy = true };
};
template <>
struct MemorySpaceAccess<Kokkos::HostSpace,
Kokkos::Experimental::ROCSHMEMSpace> {
enum { assignable = false };
enum { accessible = false };
enum { deepcopy = true };
};
template <>
struct MemorySpaceAccess<Kokkos::HIPSpace,
Kokkos::Experimental::ROCSHMEMSpace> {
enum { assignable = false };
enum { accessible = true };
enum { deepcopy = true };
};
template <>
struct MemorySpaceAccess<Kokkos::Experimental::ROCSHMEMSpace,
Kokkos::HIPSpace> {
enum { assignable = false };
enum { accessible = true };
enum { deepcopy = true };
};
} // namespace Impl
} // namespace Kokkos
#include <Kokkos_RemoteSpaces_Error.hpp>
#include <Kokkos_RemoteSpaces_Options.hpp>
#include <Kokkos_ROCSHMEM_ViewTraits.hpp>
#include <Kokkos_RemoteSpaces_ViewLayout.hpp>
#include <Kokkos_RemoteSpaces_Helpers.hpp>
#include <Kokkos_RemoteSpaces_DeepCopy.hpp>
#include <Kokkos_RemoteSpaces_ViewOffset.hpp>
#include <Kokkos_ROCSHMEM_Ops.hpp>
#include <Kokkos_ROCSHMEM_BlockOps.hpp>
#include <Kokkos_RemoteSpaces_ViewMapping.hpp>
#include <Kokkos_ROCSHMEM_AllocationRecord.hpp>
#include <Kokkos_ROCSHMEM_DataHandle.hpp>
#include <Kokkos_ROCSHMEM_LocalDeepCopy.hpp>
#endif // #define KOKKOS_ROCSHMEMSPACE_HPP