| /* |
| * Copyright (c) 2017-2019 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_CLTUNER_H__ |
| #define __ARM_COMPUTE_CLTUNER_H__ |
| |
| #include "arm_compute/core/CL/OpenCL.h" |
| #include "arm_compute/runtime/CL/CLTunerTypes.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 |
| * |
| * @param[in] tune_new_kernels Find the optimal local workgroup size for kernels which are not present in the table ? |
| * |
| */ |
| CLTuner(bool tune_new_kernels = true); |
| |
| /** Destructor */ |
| ~CLTuner() = default; |
| |
| /** Setter for tune_new_kernels option |
| * |
| * @param[in] tune_new_kernels Find the optimal local workgroup size for kernels which are not present in the table ? |
| */ |
| void set_tune_new_kernels(bool tune_new_kernels); |
| /** Tune kernels that are not in the LWS table |
| * |
| * @return True if tuning of new kernels is enabled. |
| */ |
| bool tune_new_kernels() const; |
| |
| /** Set OpenCL tuner mode |
| * |
| * @param[in] mode Indicates how exhaustive the search for the optimal LWS should be while tuning. Default is Exhaustive mode |
| */ |
| void set_tuner_mode(CLTunerMode mode); |
| |
| /** Get the current OpenCL tuner mode |
| * |
| * @return tuner_mode Indicates how exhaustive the search for the optimal LWS should be while tuning |
| */ |
| CLTunerMode get_tuner_mode() const; |
| |
| /** Manually add a LWS for a kernel |
| * |
| * @param[in] kernel_id Unique identifiant of the kernel |
| * @param[in] optimal_lws Optimal local workgroup size to use for the given kernel |
| */ |
| void add_lws_to_table(const std::string &kernel_id, cl::NDRange optimal_lws); |
| |
| /** 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); |
| |
| /** Give read access to the LWS table |
| * |
| * @return The lws table as unordered_map container |
| */ |
| const std::unordered_map<std::string, cl::NDRange> &lws_table() const; |
| |
| /** Set the OpenCL kernel event |
| * |
| * @note The interceptor can use this function to store the event associated to the OpenCL kernel |
| * |
| * @param[in] kernel_event The OpenCL kernel event |
| */ |
| void set_cl_kernel_event(cl_event kernel_event); |
| |
| /** clEnqueueNDRangeKernel symbol */ |
| std::function<decltype(clEnqueueNDRangeKernel)> real_clEnqueueNDRangeKernel; |
| |
| /** Load the LWS table from file |
| * |
| * @param[in] filename Load the LWS table from this file.(Must exist) |
| */ |
| void load_from_file(const std::string &filename); |
| |
| /** Save the content of the LWS table to file |
| * |
| * @param[in] filename Save the LWS table to this file. (Content will be overwritten) |
| */ |
| void save_to_file(const std::string &filename) const; |
| |
| // Inherited methods overridden: |
| void tune_kernel_static(ICLKernel &kernel) override; |
| void tune_kernel_dynamic(ICLKernel &kernel) override; |
| |
| /** Is the kernel_event set ? |
| * |
| * @return true if the kernel_event is set. |
| */ |
| bool kernel_event_is_set() const; |
| |
| 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; |
| cl::Event _kernel_event; |
| bool _tune_new_kernels; |
| CLTunerMode _tuner_mode; |
| }; |
| } // namespace arm_compute |
| #endif /*__ARM_COMPUTE_CLTUNER_H__ */ |