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