| /* |
| * Copyright (c) 2020-2021 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. |
| */ |
| #include "arm_compute/runtime/CL/Utils.h" |
| |
| #include "arm_compute/core/CL/CLKernelLibrary.h" |
| #include "arm_compute/runtime/CL/CLScheduler.h" |
| |
| #include <fstream> |
| #include <map> |
| #include <string> |
| |
| namespace arm_compute |
| { |
| void restore_program_cache_from_file(const std::string &filename) |
| { |
| std::ifstream cache_file(filename, std::ios::binary); |
| if(cache_file.is_open()) |
| { |
| if(!CLScheduler::get().is_initialised()) |
| { |
| arm_compute::CLScheduler::get().default_init(); |
| } |
| |
| while(!cache_file.eof()) |
| { |
| size_t name_len = 0; |
| size_t binary_len = 0; |
| cache_file.read(reinterpret_cast<char *>(&name_len), sizeof(size_t)); |
| cache_file.read(reinterpret_cast<char *>(&binary_len), sizeof(size_t)); |
| if(name_len == 0 || binary_len == 0) |
| { |
| break; |
| } |
| std::vector<char> tmp(name_len); |
| std::vector<unsigned char> binary(binary_len); |
| std::string name; |
| cache_file.read(tmp.data(), name_len); |
| name.assign(tmp.data(), name_len); |
| tmp.resize(binary_len); |
| cache_file.read(reinterpret_cast<char *>(binary.data()), binary_len); |
| cl::Context context = arm_compute::CLScheduler::get().context(); |
| cl::Program::Binaries binaries{ binary }; |
| std::vector<cl::Device> devices = context.getInfo<CL_CONTEXT_DEVICES>(); |
| cl::Program program(context, devices, binaries); |
| program.build(); |
| CLKernelLibrary::get().add_built_program(name, program); |
| } |
| cache_file.close(); |
| } |
| } |
| |
| void save_program_cache_to_file(const std::string &filename) |
| { |
| if(CLScheduler::get().is_initialised()) |
| { |
| std::ofstream cache_file(filename, std::ios::binary); |
| if(cache_file.is_open()) |
| { |
| for(const auto &it : CLKernelLibrary::get().get_built_programs()) |
| { |
| std::vector<std::vector<unsigned char>> binaries = it.second.getInfo<CL_PROGRAM_BINARIES>(); |
| ARM_COMPUTE_ERROR_ON(binaries.size() != 1); |
| const std::string kernel_name = it.first; |
| size_t kernel_name_size = kernel_name.length(); |
| size_t binary_size = binaries[0].size(); |
| cache_file.write(reinterpret_cast<char *>(&kernel_name_size), sizeof(size_t)); |
| cache_file.write(reinterpret_cast<char *>(&binary_size), sizeof(size_t)); |
| cache_file.write(kernel_name.c_str(), kernel_name_size); |
| cache_file.write(reinterpret_cast<const char *>(binaries[0].data()), binaries[0].size()); |
| } |
| cache_file.close(); |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR("Cannot open cache file"); |
| } |
| } |
| } |
| } // namespace arm_compute |