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Mixture-of-Experts (MoE) models offer dynamic computation, but are typically deployed as static full-capacity models, missing opportunities for deployment-specific specialization. We introduce PreMoE, a training-free framework that…

机器学习 · 计算机科学 2026-04-27 Zehua Pei , Ying Zhang , Hui-Ling Zhen , Tao Yuan , Xianzhi Yu , Zhenhua Dong , Sinno Jialin Pan , Mingxuan Yuan , Bei Yu

Mixture-of-Experts (MoE) effectively scales model capacity while preserving computational efficiency through sparse expert activation. However, training high-quality MoEs from scratch is prohibitively expensive. A promising alternative is…

计算与语言 · 计算机科学 2026-02-18 Ziyu Zhao , Tong Zhu , Zhi Zhang , Tiantian Fan , Jinluan Yang , Kun Kuang , Zhongyu Wei , Fei Wu , Yu Cheng

Multi-task learning (MTL) for dense prediction has shown promising results but still faces challenges in balancing shared representations with task-specific specialization. In this paper, we introduce a novel Fine-Grained Mixture of Experts…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Yangyang Xu , Xi Ye , Duo Su

Mixture of Experts (MoE) architectures have emerged as pivotal for scaling Large Language Models (LLMs) efficiently. Fine-grained MoE approaches - utilizing more numerous, smaller experts - have demonstrated potential in improving model…

机器学习 · 计算机科学 2025-06-04 Jakub Krajewski , Marcin Chochowski , Daniel Korzekwa

Recent advances in large language models highlighted the excessive quadratic cost of self-attention. Despite the significant research efforts, subquadratic attention methods still suffer from inferior performance in practice. We hypothesize…

机器学习 · 计算机科学 2025-05-02 Piotr Piękos , Róbert Csordás , Jürgen Schmidhuber

We introduce LLaDA-MoE, a large language diffusion model with the Mixture-of-Experts (MoE) architecture, trained from scratch on approximately 20T tokens. LLaDA-MoE achieves competitive performance with significantly reduced computational…

Adapter Tuning, which freezes the pretrained language models (PLMs) and only fine-tunes a few extra modules, becomes an appealing efficient alternative to the full model fine-tuning. Although computationally efficient, the recent Adapters…

计算与语言 · 计算机科学 2022-11-11 Shwai He , Liang Ding , Daize Dong , Miao Zhang , Dacheng Tao

How to reduce compute and memory requirements of neural networks (NNs) without sacrificing performance? Many recent works use sparse Mixtures of Experts (MoEs) to build resource-efficient large language models (LMs). Here we introduce…

机器学习 · 计算机科学 2023-11-22 Róbert Csordás , Kazuki Irie , Jürgen Schmidhuber

Upcycling pre-trained dense language models into sparse mixture-of-experts (MoE) models is an efficient approach to increase the model capacity of already trained models. However, optimal techniques for upcycling at scale remain unclear. In…

Mixture-of-Experts (MoE) models are crucial for scaling model capacity while controlling inference costs. While integrating MoE into multimodal models like CLIP improves performance, training these models is notoriously challenging and…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Xinze Wang , Chen Chen , Yinfei Yang , Hong-You Chen , Bowen Zhang , Aditya Pal , Xiangxin Zhu , Xianzhi Du

Mixture of Experts (MoE) models enable parameter-efficient scaling through sparse expert activations, yet optimizing their inference and memory costs remains challenging due to limited understanding of their specialization behavior. We…

机器学习 · 计算机科学 2026-03-09 Marmik Chaudhari , Idhant Gulati , Nishkal Hundia , Pranav Karra , Shivam Raval

Sparse Mixture-of-Experts (MoE) architectures enable efficient scaling of large language models through conditional computation, yet the routing mechanisms responsible for expert selection remain poorly understood. In this work, we…

机器学习 · 计算机科学 2026-03-13 Mynampati Sri Ranganadha Avinash

Parameter-efficient fine-tuning (PEFT) techniques, such as prompts and adapters, are widely used in multi-modal tracking because they alleviate issues of full-model fine-tuning, including time inefficiency, high resource consumption,…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yabin Zhu , Jianqi Li , Chenglong Li , Jiaxiang Wang , Chengjie Gu , Jin Tang

While transformers and their variant conformers show promising performance in speech recognition, the parameterized property leads to much memory cost during training and inference. Some works use cross-layer weight-sharing to reduce the…

音频与语音处理 · 电气工程与系统科学 2022-09-20 Ye Bai , Jie Li , Wenjing Han , Hao Ni , Kaituo Xu , Zhuo Zhang , Cheng Yi , Xiaorui Wang

Mixture-of-Experts (MoE) models enable scalable performance by activating large parameter sets sparsely, minimizing computational overhead. To mitigate the prohibitive cost of training MoEs from scratch, recent work employs upcycling,…

机器学习 · 计算机科学 2025-11-13 Qi Wang , Hanyang Peng , Yue Yu

As the training of giant dense models hits the boundary on the availability and capability of the hardware resources today, Mixture-of-Experts (MoE) models become one of the most promising model architectures due to their significant…

Mixture-of-Experts (MoE) models have become a key approach for scaling large language models efficiently by activating only a subset of experts during training and inference. Typically, the number of activated experts presents a trade-off:…

机器学习 · 计算机科学 2025-09-04 Yifei He , Yang Liu , Chen Liang , Hany Hassan Awadalla

Dense Retrieval Models (DRMs) are a prominent development in Information Retrieval (IR). A key challenge with these neural Transformer-based models is that they often struggle to generalize beyond the specific tasks and domains they were…

信息检索 · 计算机科学 2025-10-20 Effrosyni Sokli , Pranav Kasela , Georgios Peikos , Gabriella Pasi

Dense embeddings are fundamental to modern machine learning systems, powering Retrieval-Augmented Generation (RAG), information retrieval, and representation learning. While instruction-conditioning has become the dominant approach for…

机器学习 · 计算机科学 2025-06-24 Miguel Romero , Shuoyang Ding , Corey D. Barret , Georgiana Dinu , George Karypis

Sparse autoencoders (SAEs) have emerged as a powerful tool for interpreting large language models (LLMs) by decomposing token activations into combinations of human-understandable features. While SAEs provide crucial insights into LLM…

机器学习 · 计算机科学 2025-11-11 Zhen Xu , Zhen Tan , Song Wang , Kaidi Xu , Tianlong Chen