Implementing a ChatGPT-like LLM in PyTorch from scratch, step by step - update · rasbt/LLMs-from-scratch@4c2b503
Implementing a ChatGPT-like LLM in PyTorch from scratch, step by step - minor DPO fixes (#298) · rasbt/LLMs-from-scratch@8318d1f
原文参考:https://differ.blog/p/here-s-how-you-can-build-and-train-gpt-2-from-scratch-using-...
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Table 2: The decrypted responses from the Rule-based decrypter and LLM-based decrypter for the query ”How to be a bad translator?” in both English (Morse) and Chinese (Unicode). We marked the wrong tokens in red. Compared to a Rule-based decrypter, GPT-4 decrypter can generate more ...
LLM可以根据从PDF文件、网页或公司内部文档中提取的文本来回答问题,这使得LLM能够与未经训练的数据结合起来,从而更灵活地适配不同应用场景。 要构建一个基于文档的问答系统,需要引入 LangChain 的更多关键组件,例如嵌入(Embedding)模型和向量存储(Vector Stores)。 简单实现,以轻松完成文档问答功能 首先,需要导入一些辅助...
Training a causal language model from scratch by Hugging Face: Pre-train a GPT-2 model from scratch using the transformers library. TinyLlama by Zhang et al.: Check this project to get a good understanding of how a Llama model is trained from scratch. Causal language modeling by Hugging Fac...
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language representation models using the enormous amount of unannotated text. The pre-trained model can then be fine-tuned on small data for different tasks like question answering and sentiment analysis, resulting in substantial accuracy improvements compared to training on these datasets from scratch....
Even though this step has a cost in terms of compute power needed, it is usually much less costly than training a model from scratch, both financially and environmentally. This is one reason high-quality open-source pretrained models are very interesting, as they can be freely used and built...