activity
20152023
most citedExploring the Limits of Transfer Learning with a Unified Text-to-Text Transformer

3.7k citations · 12.4k across the 59 of their papers we have counts for

collaborators

65 papers

cs.LG2023

Merging by Matching Models in Task Parameter Subspaces

Derek Tam, Mohit Bansal, Colin Raffel

Model merging aims to cheaply combine individual task-specific models into a single multitask model. In this work, we view past merging methods as leveraging different notions of a…

cs.LG2023★ 2 cited

ComPEFT: Compression for Communicating Parameter Efficient Updates via Sparsification and Quantization

Prateek Yadav, Leshem Choshen, Colin Raffel +1

Parameter-efficient fine-tuning (PEFT) techniques make it possible to efficiently adapt a language model to create "expert" models that specialize to new tasks or domains. Recent t…

cs.CL2023★ 4 cited

Reward-Augmented Decoding: Efficient Controlled Text Generation With a Unidirectional Reward Model

Haikang Deng, Colin Raffel

While large language models have proven effective in a huge range of downstream applications, they often generate text that is problematic or lacks a desired attribute. In this pap…

cs.LG2023

Uncovering Model Processing Strategies with Non-Negative Per-Example Fisher Factorization

Michael Matena, Colin Raffel

We introduce NPEFF (Non-Negative Per-Example Fisher Factorization), an interpretability method that aims to uncover strategies used by a model to generate its predictions. NPEFF de…

cs.LG2023★ 5 cited

Git-Theta: A Git Extension for Collaborative Development of Machine Learning Models

Nikhil Kandpal, Brian Lester, Mohammed Muqeeth +6

Currently, most machine learning models are trained by centralized teams and are rarely updated. In contrast, open-source software development involves the iterative development of…

cs.LG2023

Soft Merging of Experts with Adaptive Routing

Mohammed Muqeeth, Haokun Liu, Colin Raffel

Sparsely activated neural networks with conditional computation learn to route their inputs through different "expert" subnetworks, providing a form of modularity that densely acti…

cs.LG2023★ 23 cited

TIES-Merging: Resolving Interference When Merging Models

Prateek Yadav, Derek Tam, Leshem Choshen +2

Transfer learning - i.e., further fine-tuning a pre-trained model on a downstream task - can confer significant advantages, including improved downstream performance, faster conver…

cs.CL2023★ 32 cited

Scaling Data-Constrained Language Models

Niklas Muennighoff, Alexander M. Rush, Boaz Barak +6

The current trend of scaling language models involves increasing both parameter count and training dataset size. Extrapolating this trend suggests that training dataset size may so…

cs.LG2023★ 1 cited

Knowledge is a Region in Weight Space for Fine-tuned Language Models

Almog Gueta, Elad Venezian, Colin Raffel +3

Research on neural networks has focused on understanding a single model trained on a single dataset. However, relatively little is known about the relationships between different m…

cs.LG2023★ 1 cited

Improving Few-Shot Generalization by Exploring and Exploiting Auxiliary Data

Alon Albalak, Colin Raffel, William Yang Wang

Few-shot learning is valuable in many real-world applications, but learning a generalizable model without overfitting to the few labeled datapoints is challenging. In this work, we…

cs.LG2022

ColD Fusion: Collaborative Descent for Distributed Multitask Finetuning

Shachar Don-Yehiya, Elad Venezian, Colin Raffel +3

We propose a new paradigm to continually evolve pretrained models, denoted ColD Fusion. It provides the benefits of multitask learning but leverages distributed computation with li…

cs.CL2022★ 6 cited

What Language Model to Train if You Have One Million GPU Hours?

Teven Le Scao, Thomas Wang, Daniel Hesslow +16

The crystallization of modeling methods around the Transformer architecture has been a boon for practitioners. Simple, well-motivated architectural variations can transfer across t…

cs.CL2022★ 17 cited

Evaluating the Factual Consistency of Large Language Models Through News Summarization

Derek Tam, Anisha Mascarenhas, Shiyue Zhang +3

While large language models (LLMs) have proven to be effective on a large variety of tasks, they are also known to hallucinate information. To measure whether an LLM prefers factua…

cs.CL2022★ 96 cited

Large Language Models Struggle to Learn Long-Tail Knowledge

Nikhil Kandpal, Haikang Deng, Adam Roberts +2

The Internet contains a wealth of knowledge -- from the birthdays of historical figures to tutorials on how to code -- all of which may be learned by language models. However, whil…

cs.CL2022

BLOOM: A 176B-Parameter Open-Access Multilingual Language Model

BigScience Workshop, :, Teven Le Scao +391

Large language models (LLMs) have been shown to be able to perform new tasks based on a few demonstrations or natural language instructions. While these capabilities have led to wi…

cs.CL2022★ 29 cited

Crosslingual Generalization through Multitask Finetuning

Niklas Muennighoff, Thomas Wang, Lintang Sutawika +16

Multitask prompted finetuning (MTF) has been shown to help large language models generalize to new tasks in a zero-shot setting, but so far explorations of MTF have focused on Engl…

cs.LG2022★ 3 cited

Compositional Generalization in Unsupervised Compositional Representation Learning: A Study on Disentanglement and Emergent Language

Zhenlin Xu, Marc Niethammer, Colin Raffel

Deep learning models struggle with compositional generalization, i.e. the ability to recognize or generate novel combinations of observed elementary concepts. In hopes of enabling…

cs.LG2022

A Combinatorial Perspective on the Optimization of Shallow ReLU Networks

Michael Matena, Colin Raffel

The NP-hard problem of optimizing a shallow ReLU network can be characterized as a combinatorial search over each training example's activation pattern followed by a constrained co…

cs.LG2022★ 18 cited

Bidirectional Language Models Are Also Few-shot Learners

Ajay Patel, Bryan Li, Mohammad Sadegh Rasooli +3

Large language models such as GPT-3 (Brown et al., 2020) can perform arbitrary tasks without undergoing fine-tuning after being prompted with only a few labeled examples. An arbitr…

cs.LG2022★ 6 cited

Petals: Collaborative Inference and Fine-tuning of Large Models

Alexander Borzunov, Dmitry Baranchuk, Tim Dettmers +5

Many NLP tasks benefit from using large language models (LLMs) that often have more than 100 billion parameters. With the release of BLOOM-176B and OPT-175B, everyone can download…

cs.CL2022★ 11 cited

Efficient Methods for Natural Language Processing: A Survey

Marcos Treviso, Ji-Ung Lee, Tianchu Ji +19

Recent work in natural language processing (NLP) has yielded appealing results from scaling model parameters and training data; however, using only scale to improve performance mea…

cs.CL2022★ 1k cited

Emergent Abilities of Large Language Models

Jason Wei, Yi Tay, Rishi Bommasani +13

Scaling up language models has been shown to predictably improve performance and sample efficiency on a wide range of downstream tasks. This paper instead discusses an unpredictabl…

cs.CL2022★ 565 cited

Beyond the Imitation Game: Quantifying and extrapolating the capabilities of language models

Aarohi Srivastava, Abhinav Rastogi, Abhishek Rao +448

Language models demonstrate both quantitative improvement and new qualitative capabilities with increasing scale. Despite their potentially transformative impact, these new capabil…

cs.LG2022★ 294 cited

Few-Shot Parameter-Efficient Fine-Tuning is Better and Cheaper than In-Context Learning

Haokun Liu, Derek Tam, Mohammed Muqeeth +4

Few-shot in-context learning (ICL) enables pre-trained language models to perform a previously-unseen task without any gradient-based training by feeding a small number of training…