1 /* 2 * Copyright (c) 2021 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 SRC_COMMON_CPUINFO_CPUMODEL_H 25 #define SRC_COMMON_CPUINFO_CPUMODEL_H 26 27 #include <cstdint> 28 #include <string> 29 30 #include "arm_compute/core/CPP/CPPTypes.h" 31 32 namespace arm_compute 33 { 34 namespace cpuinfo 35 { 36 using CpuModel = arm_compute::CPUModel; 37 38 /** Convert a CPU model value to a string 39 * 40 * @param model CpuModel value to be converted 41 * 42 * @return String representing the corresponding CpuModel 43 */ 44 std::string cpu_model_to_string(CpuModel model); 45 46 /** Extract the model type from the MIDR value 47 * 48 * @param[in] midr MIDR information 49 * 50 * @return CpuModel a mapped CPU model 51 */ 52 CpuModel midr_to_model(uint32_t midr); 53 54 /** Check if a model supports half-precision floating point arithmetic 55 * 56 * @note This is used in case of old kernel configurations where some capabilities are not exposed. 57 * 58 * @param[in] model Model to check for allowlisted capabilities 59 */ 60 bool model_supports_fp16(CpuModel model); 61 62 /** Check if a model supports dot product 63 * 64 * @note This is used in case of old kernel configurations where some capabilities are not exposed. 65 * 66 * @param[in] model Model to check for allowlisted capabilities 67 */ 68 bool model_supports_dot(CpuModel model); 69 } // namespace cpuinfo 70 } // namespace arm_compute 71 #endif /* SRC_COMMON_CPUINFO_CPUMODEL_H */ 72