| /* |
| * 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_TEST_TENSOR_CACHE_H |
| #define ARM_COMPUTE_TEST_TENSOR_CACHE_H |
| |
| #include "RawTensor.h" |
| |
| #include "support/Mutex.h" |
| |
| #include <map> |
| #include <mutex> |
| #include <utility> |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| /** Stores @ref RawTensor categorised by the image they are created from |
| * including name, format and channel. |
| */ |
| class TensorCache |
| { |
| public: |
| /** Search the cache for a tensor of created from the specified image and |
| * format. |
| * |
| * @param[in] key Key to look up the tensor. Consists of image name and format. |
| * |
| * @return The cached tensor matching the image name and format if found. A |
| * nullptr otherwise. |
| */ |
| RawTensor *find(std::tuple<const std::string &, Format> key); |
| |
| /** Search the cache for a tensor of created from the specified image, |
| * format and channel. |
| * |
| * @param[in] key Key to look up the tensor. Consists of image name, format and channel. |
| * |
| * @return The cached tensor matching the image name and format if found. A |
| * nullptr otherwise. |
| */ |
| RawTensor *find(std::tuple<const std::string &, Format, Channel> key); |
| |
| /** Add the given tensor to the cache. Can later be found under the given |
| * image name and format. |
| * |
| * @param[in] key Key under which to store the tensor. Consists of image name and format. |
| * @param[in] raw Raw tensor to be stored. |
| * |
| * @return A reference to the cached tensor. |
| */ |
| RawTensor &add(std::tuple<const std::string &, Format> key, RawTensor raw); |
| |
| /** Add the given tensor to the cache. Can later be found under the given |
| * image name, format and channel. |
| * |
| * @param[in] key Key under which to store the tensor. Consists of image name, format and channel. |
| * @param[in] raw Raw tensor to be stored. |
| * |
| * @return A reference to the cached tensor. |
| */ |
| RawTensor &add(std::tuple<const std::string &, Format, Channel> key, RawTensor raw); |
| |
| private: |
| using FormatMap = std::map<std::tuple<std::string, Format>, RawTensor>; |
| using ChannelMap = std::map<std::tuple<std::string, Format, Channel>, RawTensor>; |
| |
| FormatMap _raw_tensor_cache{}; |
| ChannelMap _raw_tensor_channel_cache{}; |
| arm_compute::Mutex _raw_tensor_cache_mutex{}; |
| arm_compute::Mutex _raw_tensor_channel_cache_mutex{}; |
| }; |
| |
| inline RawTensor *TensorCache::find(std::tuple<const std::string &, Format> key) |
| { |
| const auto it = _raw_tensor_cache.find(key); |
| return it == _raw_tensor_cache.end() ? nullptr : &it->second; |
| } |
| |
| inline RawTensor *TensorCache::find(std::tuple<const std::string &, Format, Channel> key) |
| { |
| const auto it = _raw_tensor_channel_cache.find(key); |
| return it == _raw_tensor_channel_cache.end() ? nullptr : &it->second; |
| } |
| |
| inline RawTensor &TensorCache::add(std::tuple<const std::string &, Format> key, RawTensor raw) |
| { |
| std::lock_guard<arm_compute::Mutex> lock(_raw_tensor_cache_mutex); |
| return std::get<0>(_raw_tensor_cache.emplace(std::move(key), std::move(raw)))->second; |
| } |
| |
| inline RawTensor &TensorCache::add(std::tuple<const std::string &, Format, Channel> key, RawTensor raw) |
| { |
| std::lock_guard<arm_compute::Mutex> lock(_raw_tensor_channel_cache_mutex); |
| return std::get<0>(_raw_tensor_channel_cache.emplace(std::move(key), std::move(raw)))->second; |
| } |
| } // namespace test |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_TEST_TENSOR_CACHE_H */ |