Method prefault

src/core/impl/graph/var_node_mem_mgr.cpp:70–79

}

void StaticDeviceMemoryManager::prefault() {
    for (auto&& i : m_storage) {
        if (i.first.device_type() == CompNode::DeviceType::CPU) {
            auto storage = i.second;
            auto set = [storage]() { memset(storage.ptr(), 0, storage.size()); };
            CompNodeEnv::from_comp_node(i.first).cpu_env().dispatch(set);
            i.first.sync();
        }
    }
}

#if MGB_THREAD_SAFE
size_t StaticDeviceMemoryManager::clear_all() {