1 /*
2 * Copyright (c) 2018-2020 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #ifndef ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H
25 #define ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H
26
27 #include "arm_compute/graph/GraphContext.h"
28 #include "arm_compute/runtime/IMemoryManager.h"
29 #include "arm_compute/runtime/IWeightsManager.h"
30
31 namespace arm_compute
32 {
33 namespace graph
34 {
35 namespace backends
36 {
37 /** Creates and configures a named function
38 *
39 * @param[in] name Name of the function
40 * @param[in] args Function arguments
41 *
42 * @return A configured backend function
43 */
44 template <typename FunctionType, typename FunctionNameType, typename... ParameterType>
create_named_function(FunctionNameType name,ParameterType...args)45 std::tuple<std::unique_ptr<arm_compute::IFunction>, FunctionNameType> create_named_function(FunctionNameType name, ParameterType... args)
46 {
47 auto f = std::make_unique<FunctionType>();
48 f->configure(std::forward<ParameterType>(args)...);
49 return std::make_pair(std::move(f), name);
50 }
51
52 /** Creates and configures a named function
53 *
54 * @param[in] name Name of the function
55 * @param[in] mm Memory manager to use
56 * @param[in] args Function arguments
57 *
58 * @return A configured backend function
59 */
60 template <typename FunctionType, typename FunctionNameType, typename MemoryManagerType, typename... ParameterType>
create_named_memory_managed_function(FunctionNameType name,MemoryManagerType mm,ParameterType...args)61 std::tuple<std::unique_ptr<arm_compute::IFunction>, FunctionNameType> create_named_memory_managed_function(FunctionNameType name,
62 MemoryManagerType mm,
63 ParameterType... args)
64 {
65 auto f = std::make_unique<FunctionType>(mm);
66 f->configure(std::forward<ParameterType>(args)...);
67 return std::make_pair(std::move(f), name);
68 }
69
70 /** Checks if an operation is in place
71 *
72 * @param[in] input Pointer to input
73 * @param[in] output Pointer to output
74 *
75 * @return True if output is nullptr or input is equal to the output, else false
76 */
is_in_place_operation(void * input,void * output)77 inline bool is_in_place_operation(void *input, void *output)
78 {
79 return (output == nullptr) || (input == output);
80 }
81
82 /** Returns the memory manager for a given target
83 *
84 * @param[in] ctx Graph context containing memory management metadata
85 * @param[in] target Target to retrieve the memory manager from
86 *
87 * @return The memory manager for the given target else false
88 */
get_memory_manager(GraphContext & ctx,Target target)89 inline std::shared_ptr<IMemoryManager> get_memory_manager(GraphContext &ctx, Target target)
90 {
91 bool enabled = ctx.config().use_function_memory_manager && (ctx.memory_management_ctx(target) != nullptr);
92 return enabled ? ctx.memory_management_ctx(target)->intra_mm : nullptr;
93 }
94
95 /** Returns the weights manager for a given target
96 *
97 * @param[in] ctx Graph context containing weight management metadata
98 * @param[in] target Target to retrieve the weights manager from
99 *
100 * @return The weights manager for the given target else false
101 */
get_weights_manager(GraphContext & ctx,Target target)102 inline std::shared_ptr<IWeightsManager> get_weights_manager(GraphContext &ctx, Target target)
103 {
104 bool enabled = ctx.config().use_function_weights_manager && (ctx.weights_management_ctx(target) != nullptr);
105 return enabled ? ctx.weights_management_ctx(target)->wm : nullptr;
106 }
107 } // namespace backends
108 } // namespace graph
109 } // namespace arm_compute
110
111 #endif /* ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H */
112