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
|
/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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.
*/
#ifndef __NEURUN_COMPILER_BACKEND_RESOLVER_H__
#define __NEURUN_COMPILER_BACKEND_RESOLVER_H__
#include <unordered_map>
#include <typeindex>
#include "util/logging.h"
#include "backend/Backend.h"
#include "backend/BackendManager.h"
#include "backend/ITensorBuilder.h"
#include "model/OperationIndexMap.h"
namespace neurun
{
namespace compiler
{
class BackendResolver
{
public:
BackendResolver(const model::Operands &operands,
const std::vector<const backend::Backend *> &backends,
const std::shared_ptr<backend::custom::KernelRegistry> ®istry)
{
for (const auto backend : backends)
{
_context_manager.emplace(backend, backend->newContext(operands, registry));
}
}
~BackendResolver() = default;
BackendResolver(const BackendResolver &obj);
BackendResolver(BackendResolver &&obj) = default;
BackendResolver &operator=(const BackendResolver &obj);
BackendResolver &operator=(BackendResolver &&obj) = default;
public:
const backend::BackendContext *getBackendContext(const model::OperationIndex &index) const
{
return _context_manager.at(_gen_map.at(index)).get();
}
const backend::BackendContext *getBackendContext(const backend::Backend *backend) const
{
return _context_manager.at(backend).get();
}
backend::TensorBuilderSet tensor_builders() const
{
backend::TensorBuilderSet ret;
for (const auto &e : _context_manager)
{
ret.insert(e.second->tensor_builder);
}
return ret;
}
const backend::Backend *getBackend(const model::OperationIndex &index) const
{
return getBackendContext(index)->backend;
}
void setBackend(const model::OperationIndex &index, const backend::Backend *backend)
{
_gen_map[index] = backend;
}
void iterate(const std::function<void(const model::OperationIndex &,
const backend::BackendContext &)> &fn) const
{
for (const auto &e : _gen_map)
{
fn(e.first, *_context_manager.at(e.second));
}
}
private:
std::unordered_map<const backend::Backend *, std::unique_ptr<backend::BackendContext>>
_context_manager;
model::OperationIndexMap<const backend::Backend *> _gen_map;
};
} // namespace compiler
} // namespace neurun
#endif // __NEURUN_COMPILER_BACKEND_RESOLVER_H__
|
