| /* |
| * Copyright (c) 2017 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_CLTUNER_H__ |
| #define __ARM_COMPUTE_CLTUNER_H__ |
| |
| #include "arm_compute/core/CL/OpenCL.h" |
| #include "arm_compute/runtime/CL/ICLTuner.h" |
| |
| #include <unordered_map> |
| |
| namespace arm_compute |
| { |
| class ICLKernel; |
| |
| /** Basic implementation of the OpenCL tuner interface */ |
| class CLTuner : public ICLTuner |
| { |
| public: |
| /** Constructor */ |
| CLTuner(); |
| |
| /** Destructor */ |
| ~CLTuner() = default; |
| |
| /** Import LWS table |
| * |
| * @param[in] lws_table The unordered_map container to import |
| */ |
| void import_lws_table(const std::unordered_map<std::string, cl::NDRange> &lws_table); |
| |
| /** Export LWS table |
| * |
| * return The lws table as unordered_map container |
| */ |
| const std::unordered_map<std::string, cl::NDRange> &export_lws_table(); |
| |
| // Inherited methods overridden: |
| void tune_kernel(ICLKernel &kernel) override; |
| |
| private: |
| /** Find optimal LWS using brute-force approach |
| * |
| * @param[in] kernel OpenCL kernel to be tuned with LWS |
| * |
| * @return The optimal LWS to use |
| */ |
| cl::NDRange find_optimal_lws(ICLKernel &kernel); |
| |
| std::unordered_map<std::string, cl::NDRange> _lws_table; |
| }; |
| } |
| #endif /*__ARM_COMPUTE_CLTUNER_H__ */ |