| /* |
| * Copyright (c) 2024 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 ACL_SRC_CORE_HELPERS_LUTMANAGER_H |
| #define ACL_SRC_CORE_HELPERS_LUTMANAGER_H |
| |
| #include "arm_compute/core/CoreTypes.h" |
| #include "arm_compute/core/QuantizationInfo.h" |
| #include "arm_compute/function_info/ActivationLayerInfo.h" |
| |
| #include <map> |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| |
| struct LUTInfo |
| { |
| ActivationLayerInfo::ActivationFunction act; |
| DataType dt; |
| QuantizationInfo qinfo; |
| // Operators enable use of map with Lutinfo as key |
| friend bool operator<(const LUTInfo &l, const LUTInfo &r) |
| { |
| return (l.act < r.act) || ((l.act == r.act) && (l.dt < r.dt)) || |
| ((l.act == r.act) && (l.dt == r.dt) && (l.qinfo.scale() < r.qinfo.scale())) || |
| ((l.act == r.act) && (l.dt == r.dt) && (l.qinfo.scale() == r.qinfo.scale()) && |
| (l.qinfo.offset() < l.qinfo.offset())); |
| } |
| bool operator==(const LUTInfo &l) |
| { |
| return this->act == l.act && this->dt == l.dt && this->qinfo == l.qinfo; |
| } |
| }; |
| |
| /* Class to handle getting look up table */ |
| class LUTManager |
| { |
| public: |
| LUTManager() = default; |
| |
| static LUTManager &get_instance(); |
| #ifdef __aarch64__ |
| std::shared_ptr<ActivationLayerInfo::LookupTable65536> get_lut_table(LUTInfo info); |
| |
| private: |
| std::map<LUTInfo, std::weak_ptr<ActivationLayerInfo::LookupTable65536>> map_fp16{}; |
| #endif // __aarch64__ |
| }; |
| |
| } // namespace arm_compute |
| #endif // ACL_SRC_CORE_HELPERS_LUTMANAGER_H |