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README.md

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 - [DAIR.AI] Prompt Engineering Guide [Link](https://github.com/dair-ai/Prompt-Engineering-Guide)
 
+- [Colossal-AI] Open source solution replicates ChatGPT training process! Ready to go with only 1.6GB GPU memory and gives you 7.73 times faster training! [Link](https://www.hpc-ai.tech/blog/colossal-ai-chatgpt)
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 ## Courses about LLM
 
 - [Stanford] CS224N-Lecture 11: Prompting, Instruction Finetuning, and RLHF [Slides](https://web.stanford.edu/class/cs224n/slides/cs224n-2023-lecture11-prompting-rlhf.pdf)