PaLM: Scaling Language Modeling with Pathways

PaLM: Scaling Language Modeling with Pathways

5 Oct 2022 | Aakanksha Chowdhery*, Sharan Narang*, Jacob Devlin*, Maarten Bosma, Gaurav Mishra, Adam Roberts, Paul Barham, Hyung Won Chung, Charles Sutton, Sebastian Gehrmann, Parker Schuh, Kensen Shi, Sasha Tsvyashchenko, Joshua Maynez, Abhishek Rao†, Parker Barnes, Yi Tay, Noam Shazeer*, Vinodkumar Prabhakaran, Emily Reif, Nan Du, Ben Hutchinson, Reiner Pope, James Bradbury, Jacob Austin, Michael Isard, Guy Gur-Ari, Pengcheng Yin, Toju Duke, Anselm Levskaya, Sanjay Ghemawat, Sunipa Dev, Henryk Michalewski, Xavier Garcia, Vedant Misra, Kevin Robinson, Liam Fedus, Denny Zhou, Daphne Ippolito, David Luan†, Hyeontaek Lim, Barret Zoph, Alexander Spiridonov, Ryan Sepassi, David Dohan, Shivani Agrawal, Mark Omernick, Andrew M. Dai, Thanumalayan Sankaranarayana Pillai, Marie Pellat, Aitor Lewkowycz, Erica Moreira, Rewon Child, Oleksandr Polozov†, Katherine Lee, Zongwei Zhou, Xuezhi Wang, Brennan Saeta, Mark Diaz, Orhan Firat, Michele Catasta†, Jason Wei, Kathy Meier-Hellstern, Douglas Eck, Jeff Dean, Slav Petrov, Noah Fiedel
The paper "PaLM: Scaling Language Modeling with Pathways" by Google Research introduces a 540-billion parameter, densely activated Transformer language model called Pathways Language Model (PaLM). PaLM is trained on 6144 TPU v4 chips using Pathways, a new ML system that enables efficient training across multiple TPU Pods. The model achieves state-of-the-art few-shot learning results on hundreds of language understanding and generation benchmarks, demonstrating breakthrough performance on multi-step reasoning tasks and outperforming average human performance on the BIG-bench benchmark. PaLM also shows strong capabilities in multilingual tasks and source code generation. The paper discusses discontinuous improvements from model scale, bias and toxicity analysis, and ethical considerations related to large language models. Key takeaways include efficient scaling, continued improvements from scaling, breakthrough capabilities, discontinuous improvements, multilingual understanding, and bias and toxicity analysis.The paper "PaLM: Scaling Language Modeling with Pathways" by Google Research introduces a 540-billion parameter, densely activated Transformer language model called Pathways Language Model (PaLM). PaLM is trained on 6144 TPU v4 chips using Pathways, a new ML system that enables efficient training across multiple TPU Pods. The model achieves state-of-the-art few-shot learning results on hundreds of language understanding and generation benchmarks, demonstrating breakthrough performance on multi-step reasoning tasks and outperforming average human performance on the BIG-bench benchmark. PaLM also shows strong capabilities in multilingual tasks and source code generation. The paper discusses discontinuous improvements from model scale, bias and toxicity analysis, and ethical considerations related to large language models. Key takeaways include efficient scaling, continued improvements from scaling, breakthrough capabilities, discontinuous improvements, multilingual understanding, and bias and toxicity analysis.
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