LLaMA: Open and Efficient Foundation Language Models (Paper Explained)

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2 years ago
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#ai #meta #languagemodel

LLaMA is a series of large language models from 7B to 65B parameters, trained by Meta AI. They train for longer on more data and show that something like gpt-3 can be outperformed by significantly smaller models when trained like this. Meta also releases the trained models to the research community.

OUTLINE:
0:00 - Introduction & Paper Overview
4:30 - Rant on Open-Sourcing
8:05 - Training Data
12:40 - Training Hyperparameters
14:50 - Architecture Modifications
17:10 - Optimizer
19:40 - Efficient Implementation
26:15 - Main Results
38:00 - Some more completions
40:00 - Conclusion

Paper: https://arxiv.org/abs/2302.13971
Website: https://ai.facebook.com/blog/large-language-model-llama-meta-ai/

Abstract:
We introduce LLaMA, a collection of foundation language models ranging from 7B to 65B parameters. We train our models on trillions of tokens, and show that it is possible to train state-of-the-art models using publicly available datasets exclusively, without resorting to proprietary and inaccessible datasets. In particular, LLaMA-13B outperforms GPT-3 (175B) on most benchmarks, and LLaMA-65B is competitive with the best models, Chinchilla-70B and PaLM-540B. We release all our models to the research community.

Authors: Hugo Touvron, Thibaut Lavril, Gautier Izacard, Xavier Martinet, Marie-Anne Lachaux, Timothée Lacroix, Baptiste Rozière, Naman Goyal, Eric Hambro, Faisal Azhar, Aurelien Rodriguez, Armand Joulin, Edouard Grave, Guillaume Lample

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