| /* |
| * Copyright (c) 2018-2019 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef __ARM_COMPUTE_GRAPH_CLDEVICEBACKEND_H__ |
| #define __ARM_COMPUTE_GRAPH_CLDEVICEBACKEND_H__ |
| |
| #include "arm_compute/graph/IDeviceBackend.h" |
| |
| #include "arm_compute/runtime/CL/CLBufferAllocator.h" |
| #include "arm_compute/runtime/CL/CLTuner.h" |
| |
| namespace arm_compute |
| { |
| namespace graph |
| { |
| namespace backends |
| { |
| /** OpenCL device backend */ |
| class CLDeviceBackend final : public IDeviceBackend |
| { |
| public: |
| /** Default Constructor */ |
| CLDeviceBackend(); |
| /** Destructor */ |
| ~CLDeviceBackend(); |
| /** Switchs on or off the kernel tuning |
| * |
| * @note When true the tuner set is used, if no tuner is set a new default one is created |
| * |
| * @param[in] enable_tuning Enables tuning if false else true |
| */ |
| void set_kernel_tuning(bool enable_tuning); |
| /** Set kernel tuning mode |
| * |
| * @param[in] tuning_mode Indicates how exhaustive the search for the optimal LWS should be while tuning |
| */ |
| void set_kernel_tuning_mode(CLTunerMode tuning_mode); |
| |
| // Inherited overridden methods |
| void initialize_backend() override; |
| void setup_backend_context(GraphContext &ctx) override; |
| void release_backend_context(GraphContext &ctx) override; |
| bool is_backend_supported() override; |
| IAllocator *backend_allocator() override; |
| std::unique_ptr<ITensorHandle> create_tensor(const Tensor &tensor) override; |
| std::unique_ptr<ITensorHandle> create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent) override; |
| std::unique_ptr<arm_compute::IFunction> configure_node(INode &node, GraphContext &ctx) override; |
| Status validate_node(INode &node) override; |
| std::shared_ptr<arm_compute::IMemoryManager> create_memory_manager(MemoryManagerAffinity affinity) override; |
| std::shared_ptr<arm_compute::IWeightsManager> create_weights_manager() override; |
| |
| private: |
| int _context_count; /**< Counts how many contexts are currently using the backend */ |
| CLTuner _tuner; /**< CL kernel tuner */ |
| std::unique_ptr<CLBufferAllocator> _allocator; /**< CL buffer affinity allocator */ |
| std::string _tuner_file; /**< Filename to load/store the tuner's values from */ |
| }; |
| } // namespace backends |
| } // namespace graph |
| } // namespace arm_compute |
| #endif //__ARM_COMPUTE_GRAPH_CLDEVICEBACKEND_H__ |