1 /* 2 * Copyright (c) 2018-2021 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_NEDEVICEBACKEND_H 25 #define ARM_COMPUTE_GRAPH_NEDEVICEBACKEND_H 26 27 #include "arm_compute/graph/IDeviceBackend.h" 28 29 #include "arm_compute/runtime/Allocator.h" 30 31 namespace arm_compute 32 { 33 namespace graph 34 { 35 namespace backends 36 { 37 /** CPU device backend */ 38 class NEDeviceBackend final : public IDeviceBackend 39 { 40 public: 41 NEDeviceBackend(); 42 43 // Inherited overridden methods 44 void initialize_backend() override; 45 void setup_backend_context(GraphContext &ctx) override; 46 void release_backend_context(GraphContext &ctx) override; 47 bool is_backend_supported() override; 48 IAllocator *backend_allocator() override; 49 std::unique_ptr<ITensorHandle> create_tensor(const Tensor &tensor) override; 50 std::unique_ptr<ITensorHandle> create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent) override; 51 std::unique_ptr<arm_compute::IFunction> configure_node(INode &node, GraphContext &ctx) override; 52 Status validate_node(INode &node) override; 53 std::shared_ptr<arm_compute::IMemoryManager> create_memory_manager(MemoryManagerAffinity affinity) override; 54 std::shared_ptr<arm_compute::IWeightsManager> create_weights_manager() override; 55 void sync() override; 56 57 private: 58 Allocator _allocator; /**< Backend allocator */ 59 }; 60 } // namespace backends 61 } // namespace graph 62 } // namespace arm_compute 63 #endif //ARM_COMPUTE_GRAPH_NEDEVICEBACKEND_H 64