字节跳动的豆包手机是一个有趣的例外，但字节做硬件才刚起步，远没有建立起「芯片+操作系统+模型」的垂直整合能力。
HP 15-fd00 15.6" Touch Laptop (2024) i3-1315U 16GB RAM 512GB SSD Win11 Home (Refurbished)
。关于这个话题，吃瓜网提供了深入分析
poll_progress method to the Stream trait and declare that
Standard C++ RTTI works by embedding a pointer to a type_info object inside every polymorphic class's vtable. A dynamic_cast then traverses a chain of these type_info objects at runtime, comparing strings or pointers until it finds a match or exhausts the hierarchy. For a compiler that performs millions of type checks per second while traversing an AST, this traversal cost is unacceptable.
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