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Fueled by their remarkable ability to tackle diverse tasks across multiple domains, large language models (LLMs) have grown at an unprecedented rate, with some recent models containing trillions of parameters. This growth is accompanied by…

机器学习 · 计算机科学 2025-05-30 Athanasios Glentis , Jiaxiang Li , Qiulin Shang , Andi Han , Ioannis Tsaknakis , Quan Wei , Mingyi Hong

The dominant paradigm in generative modeling consists of two steps: i) pre-training on a large-scale but unsafe dataset, ii) aligning the pre-trained model with human values via fine-tuning. This practice is considered safe, as no current…

机器学习 · 计算机科学 2024-07-02 Eliahu Horwitz , Jonathan Kahana , Yedid Hoshen

The rapid progress of Transformers in artificial intelligence has come at the cost of increased resource consumption and greenhouse gas emissions due to growing model sizes. Prior work suggests using pretrained small models to improve…

机器学习 · 计算机科学 2024-02-13 Yu Pan , Ye Yuan , Yichun Yin , Jiaxin Shi , Zenglin Xu , Ming Zhang , Lifeng Shang , Xin Jiang , Qun Liu

Continual learning aims to enable models to adapt to new datasets without losing performance on previously learned data, often assuming that prior data is no longer available. However, in many practical scenarios, both old and new data are…

机器学习 · 计算机科学 2025-03-03 Eli Verwimp , Guy Hacohen , Tinne Tuytelaars

Training with mixed data distributions is a common and important part of creating multi-task and instruction-following models. The diversity of the data distributions and cost of joint training makes the optimization procedure extremely…

计算与语言 · 计算机科学 2024-11-06 Dhananjay Ram , Aditya Rawal , Momchil Hardalov , Nikolaos Pappas , Sheng Zha

Named entity recognition (NER) models generally perform poorly when large training datasets are unavailable for low-resource domains. Recently, pre-training a large-scale language model has become a promising direction for coping with the…

计算与语言 · 计算机科学 2021-12-02 Zihan Liu , Feijun Jiang , Yuxiang Hu , Chen Shi , Pascale Fung

Modern deep models are often pretrained on large-scale data with missing labels using composite objectives, where the relative weights of multiple loss terms act as hyperparameters. Tuning these weights with random search or Bayesian…

机器学习 · 计算机科学 2026-05-11 Ivan Karpukhin , Andrey Savchenko

Identifying algorithms for computational efficient unsupervised training of large language models is an important and active area of research. In this work, we develop and study a straightforward, dynamic always-sparse pre-training approach…

计算与语言 · 计算机科学 2021-08-16 Anastasia Dietrich , Frithjof Gressmann , Douglas Orr , Ivan Chelombiev , Daniel Justus , Carlo Luschi

Large language models (LLMs) are computationally intensive. The computation workload and the memory footprint grow quadratically with the dimension (layer width). Most of LLMs' parameters come from the linear layers of the transformer…

机器学习 · 计算机科学 2024-02-22 Xiao-Yang Liu , Jie Zhang , Guoxuan Wang , Weiqing Tong , Anwar Walid

Addressing the computational challenges inherent in training large-scale deep neural networks remains a critical endeavor in contemporary machine learning research. While previous efforts have focused on enhancing training efficiency…

机器学习 · 计算机科学 2025-05-06 Xiao Shou , Debarun Bhattacharjya , Yanna Ding , Chen Zhao , Rui Li , Jianxi Gao

In an era of increasing computational capabilities and growing environmental consciousness, organizations face a critical challenge in balancing the accuracy of forecasting models with computational efficiency and sustainability. Global…

应用统计 · 统计学 2026-01-15 Marco Zanotti

Selecting the best data mixture is critical for successful Supervised Fine-Tuning (SFT) of Multimodal Large Language Models. However, determining the optimal mixture weights across multiple domain-specific datasets remains a significant…

机器学习 · 计算机科学 2026-02-06 Davide Berasi , Matteo Farina , Massimiliano Mancini , Elisa Ricci

Recently, the development of pre-trained language models has brought natural language processing (NLP) tasks to the new state-of-the-art. In this paper we explore the efficiency of various pre-trained language models. We pre-train a list of…

计算与语言 · 计算机科学 2023-07-27 Tong Guo

While large language models a la BERT are used ubiquitously in NLP, pretraining them is considered a luxury that only a few well-funded industry labs can afford. How can one train such models with a more modest budget? We present a recipe…

计算与语言 · 计算机科学 2021-09-10 Peter Izsak , Moshe Berchansky , Omer Levy

In recent years, deep learning has made remarkable progress in a wide range of domains, with a particularly notable impact on natural language processing tasks. One of the challenges associated with training deep neural networks in the…

机器学习 · 计算机科学 2024-06-27 Hanna Mazzawi , Xavi Gonzalvo , Michael Wunder , Sammy Jerome , Benoit Dherin

State-of-the-art convolutional neural networks (CNNs) used in vision applications have large models with numerous weights. Training these models is very compute- and memory-resource intensive. Much research has been done on pruning or…

机器学习 · 计算机科学 2019-12-10 Sangkug Lym , Esha Choukse , Siavash Zangeneh , Wei Wen , Sujay Sanghavi , Mattan Erez

Using a language model (LM) pretrained on two languages with large monolingual data in order to initialize an unsupervised neural machine translation (UNMT) system yields state-of-the-art results. When limited data is available for one…

计算与语言 · 计算机科学 2020-10-07 Alexandra Chronopoulou , Dario Stojanovski , Alexander Fraser

Fine-tuning pretrained models is a common practice in domain generalization (DG) tasks. However, fine-tuning is usually computationally expensive due to the ever-growing size of pretrained models. More importantly, it may cause over-fitting…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Ziyue Li , Kan Ren , Xinyang Jiang , Bo Li , Haipeng Zhang , Dongsheng Li

The prevailing paradigm in large language model (LLM) development is to pretrain a base model, then perform further training to improve performance and model behavior. However, hyperparameter optimization and scaling laws have been studied…

机器学习 · 计算机科学 2026-02-12 Tessa Han , Sebastian Bordt , Hanlin Zhang , Sham Kakade

Deep neural networks often have millions of parameters. This can hinder their deployment to low-end devices, not only due to high memory requirements but also because of increased latency at inference. We propose a novel model compression…

机器学习 · 计算机科学 2020-06-15 Tao Lin , Sebastian U. Stich , Luis Barba , Daniil Dmitriev , Martin Jaggi