runtime/onert/backend/ruy/BackendContext.h

   1 /*
   2  * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
   3  *
   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
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef __ONERT_BACKEND_RUY_BACKEND_CONTEXT_H__
  18 #define __ONERT_BACKEND_RUY_BACKEND_CONTEXT_H__
  19
  20 #include <backend/BackendContext.h>
  21 #include "TensorBuilder.h"
  22 #include "ConstantInitializer.h"
  23 #include "KernelGenerator.h"
  24 #include "ExternalContext.h"
  25
  26 namespace onert
  27 {
  28 namespace backend
  29 {
  30 namespace ruy
  31 {
  32
  33 class BackendContext : public onert::backend::BackendContext
  34 {
  35 public:
  36   BackendContext(const Backend *backend, const ir::Graph *graph,
  37                  std::shared_ptr<ITensorRegistry> tensor_registry = nullptr,
  38                  std::shared_ptr<TensorBuilder> tensor_builder = nullptr,
  39                  std::shared_ptr<ConstantInitializer> constant_initializer = nullptr,
  40                  std::shared_ptr<KernelGenerator> kernel_gen = nullptr)
  41       : onert::backend::BackendContext(backend, graph, tensor_registry),
  42         tensor_builder{tensor_builder}, constant_initializer{constant_initializer},
  43         kernel_gen{kernel_gen}, _external_context(new ExternalContext)
  44   {
  45   }
  46
  47   ITensorRegistry *genTensors(const std::vector<onert::ir::OpSequenceIndex> &order,
  48                               const ir::OpSequences &op_seqs,
  49                               const ir::LowerInfoMap &lower_info) override;
  50
  51   FunctionMap genKernels(const std::vector<ir::OpSequenceIndex> &order,
  52                          const ir::OpSequences &op_seqs) override;
  53
  54   std::shared_ptr<ExternalContext> external_context() { return _external_context; }
  55
  56 private:
  57   void initConsts();
  58   void planTensors(const std::vector<onert::ir::OpSequenceIndex> &order,
  59                    const ir::OpSequences &op_seqs, const ir::LowerInfoMap &lower_info);
  60
  61 public:
  62   // TODO Make it private
  63   std::shared_ptr<TensorBuilder> tensor_builder;
  64   std::shared_ptr<ConstantInitializer> constant_initializer;
  65   std::shared_ptr<KernelGenerator> kernel_gen;
  66
  67 private:
  68   // NOTE ruy context has a thread pool, and when multiple ruy contexts are created,
  69   //      the thread pool is also created in duplicate
  70   // TODO Create one ruy context for session
  71   std::shared_ptr<ExternalContext> _external_context;
  72 };
  73
  74 } // namespace ruy
  75 } // namespace backend
  76 } // namespace onert
  77
  78 #endif // __ONERT_BACKEND_RUY_BACKEND_CONTEXT_H__