美国紧缩芯片限制,据传迫使陆企从辉达(NVIDIA)电玩显卡上拆下GPU,加以改造,以发展人工智能(AI)工具;其中又以该公司最强大的游戏显卡GeForce
RTX 4090最抢手。专家说,这是情急之举,效果恐怕不大理想。
英国金融时报(FT)报导,知情人士说,拜登当局去年10月强化AI芯片的出口管制后,游戏显卡上的GPU过去一个月需求飙升。工厂经理说,员工上个月拆解4,000张以上的辉达游戏显卡,数量是去年11月的四倍以上。
工厂经理说,改造芯片的客户,主要是上市公司和小型AI实验室,他们没在美国新出口管制生效前,囤积足够的辉达服务器芯片。
辉达最强大的游戏显卡GeForce RTX
4090,是用于改造的最热门款式之一。但辉达指出,这款显卡现在已禁止销陆,该公司已另推降规的GeForce RTX 4090
D。工厂经理表示,降规的4090D与4090性能差距更加显著,可能表示4090D未强大到能进行大型语言模式的训练。
业界专家说,改造游戏显卡的芯片,是中国大陆解决高阶处理器短缺的粗略变通之道。尽管辉达的电玩导向产品具备算力,但数据集更大的大型语言模型,训练时需要高度精准运算,改装芯片这方面的能力较弱。而且芯片间的连通速度受限,光是用更多芯片组成运算丛集,很难加以克服。
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