Gian Marco | de691f0 | 2017-09-08 16:13:11 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 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_CLTUNER_H__ |
| 25 | #define __ARM_COMPUTE_CLTUNER_H__ |
| 26 | |
| 27 | #include "arm_compute/core/CL/OpenCL.h" |
| 28 | #include "arm_compute/runtime/CL/ICLTuner.h" |
| 29 | |
| 30 | #include <unordered_map> |
| 31 | |
| 32 | namespace arm_compute |
| 33 | { |
| 34 | class ICLKernel; |
| 35 | |
| 36 | /** Basic implementation of the OpenCL tuner interface */ |
| 37 | class CLTuner : public ICLTuner |
| 38 | { |
| 39 | public: |
| 40 | /** Constructor */ |
| 41 | CLTuner(); |
| 42 | |
| 43 | /** Destructor */ |
| 44 | ~CLTuner() = default; |
| 45 | |
| 46 | /** Import LWS table |
| 47 | * |
| 48 | * @param[in] lws_table The unordered_map container to import |
| 49 | */ |
| 50 | void import_lws_table(const std::unordered_map<std::string, cl::NDRange> &lws_table); |
| 51 | |
| 52 | /** Export LWS table |
| 53 | * |
| 54 | * return The lws table as unordered_map container |
| 55 | */ |
| 56 | const std::unordered_map<std::string, cl::NDRange> &export_lws_table(); |
| 57 | |
| 58 | // Inherited methods overridden: |
| 59 | void tune_kernel(ICLKernel &kernel) override; |
| 60 | |
| 61 | private: |
| 62 | /** Find optimal LWS using brute-force approach |
| 63 | * |
| 64 | * @param[in] kernel OpenCL kernel to be tuned with LWS |
| 65 | * |
| 66 | * @return The optimal LWS to use |
| 67 | */ |
| 68 | cl::NDRange find_optimal_lws(ICLKernel &kernel); |
| 69 | |
| 70 | std::unordered_map<std::string, cl::NDRange> _lws_table; |
| 71 | }; |
| 72 | } |
| 73 | #endif /*__ARM_COMPUTE_CLTUNER_H__ */ |