Developing an LLM: Building, Training, Finetuning



REFERENCES:
1. Build an LLM from Scratch book: https://amzn.to/4fqvn0D
2. Build an LLM from Scratch repo: https://github.com/rasbt/LLMs-from-scratch
3. Slides: https://sebastianraschka.com/pdf/slides/2024-build-llms.pdf
4. LitGPT: https://github.com/Lightning-AI/litgpt
5. TinyLlama pretraining: https://lightning.ai/lightning-ai/studios/pretrain-llms-tinyllama-1-1b

DESCRIPTION:
This video provides an overview of the three stages of developing an LLM: Building, Training, and Finetuning. The focus is on explaining how LLMs work by describing how each step works.

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OUTLINE:

00:00 โ€“ Using LLMs
02:50 โ€“ The stages of developing an LLM
05:26 โ€“ The dataset
10:15 โ€“ Generating multi-word outputs
12:30 โ€“ Tokenization
15:35 โ€“ Pretraining datasets
21:53 โ€“ LLM architecture
27:20 โ€“ Pretraining
35:21 โ€“ Classification finetuning
39:48 โ€“ Instruction finetuning
43:06 โ€“ Preference finetuning
46:04 โ€“ Evaluating LLMs
53:59 โ€“ Pretraining & finetuning rules of thumb

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