用超简单的方式解释大语言模型的本质原理。这期节目可以当作第一期节目的增强补丁,对LLM做了进一步的详细说明,包括如下的基本问题:1. LLM是用什么形式阅读人类语言的?2. 知识以何种形式在LLM中流动?3. Transformer和注意力机制是什么?4. (单头)注意力机制的计算过程。为了尽可能减轻术语带来的心理负担,我尽可能地用例子和直观描述来代替学术描述,不免带来叙述上的不严谨,欢迎评论区对此打补丁。、节目中提到的,Google的两篇最重要的论文是:[1] Mikolov, Tomas. "Efficient estimation of word representations in vector space." arXiv preprint arXiv:1301.3781 3781 (2013).[2] Vaswani, A. "Attention is all you need." Advances in Neural Information Processing Systems (2017).下面是AI生成的时间轴:02:02 解密大语言模型:揭示其内部实现机制与写作能力04:02 大语言模型的编码奥秘:从文本到信息的转换之道06:04 大语言模型的基石:磁向量编码与人类语言理解08:12 从文字到向量:理解大语言模型内部的语言处理方式10:58 GPT三:理解人类语言的磁向量表示和信息处理方式13:43 GPT-3:了解一千七百万个参数的计算方法和原因16:25 深度学习中的Transformer模型:理解注意力机制的本质19:12 深度学习中的 Tranformers:注意力模块的原理和应用21:56 深度剖析Transformer中的注意力机制:从单头到多头的实现细节24:40 机器学习中的向量运算:理解点乘、点程和注意力机制27:24 Transformer模型中的注意力机制:高效的信息提取与并行计算30:07 Transformer的注意力机制:如何提高信息提取效率?
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