Function restore_program_cache_from_file

src/runtime/CL/Utils.cpp:35–71

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)
{