English
Related papers

Related papers: Towards More Effective and Economic Sparsely-Activ…

200 papers

Sparse mixture of experts (SMoE) offers an appealing solution to scale up the model complexity beyond the mean of increasing the network's depth or width. However, we argue that effective SMoE training remains challenging because of the…

Artificial Intelligence · Computer Science 2025-05-20 Nam V. Nguyen , Huy Nguyen , Quang Pham , Van Nguyen , Savitha Ramasamy , Nhat Ho

Sparse activation, which selectively activates only an input-dependent set of neurons in inference, is a useful technique to reduce the computing cost of Large Language Models (LLMs) without retraining or adaptation efforts. However,…

Computation and Language · Computer Science 2024-06-12 Jifeng Song , Kai Huang , Xiangyu Yin , Boyuan Yang , Wei Gao

Despite their practical success, it remains unclear why Mixture of Experts (MoE) models can outperform dense networks beyond sheer parameter scaling. We study an iso-parameter regime where inputs exhibit latent modular structure but are…

Machine Learning · Computer Science 2026-01-22 Dong Sun , Rahul Nittala , Rebekka Burkholz

Sparsely-activated Mixture-of-Expert (MoE) layers have found practical applications in enlarging the model size of large-scale foundation models, with only a sub-linear increase in computation demands. Despite the wide adoption of hybrid…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-04 Xinglin Pan , Wenxiang Lin , Shaohuai Shi , Xiaowen Chu , Weinong Sun , Bo Li

Sparsely activated Mixture-of-Experts (MoE) models effectively increase the number of parameters while maintaining consistent computational costs per token. However, vanilla MoE models often suffer from limited diversity and specialization…

Machine Learning · Computer Science 2025-07-11 Lei Kang , Jia Li , Mi Tian , Hua Huang

Mixture-of-Experts (MoE) models scale more effectively than dense models due to sparse computation through expert routing, selectively activating only a small subset of expert modules. However, sparse computation challenges traditional…

Sparse mixture of experts (SMoE) offers an appealing solution to scale up the model complexity beyond the mean of increasing the network's depth or width. However, effective training of SMoE has proven to be challenging due to the…

Industrial recommender systems typically rely on multi-task learning to estimate diverse user feedback signals and aggregate them for ranking. Recent advances in model scaling have shown promising gains in recommendation. However, naively…

Information Retrieval · Computer Science 2026-02-11 Yukun Zhang , Si Dong , Xu Wang , Bo Chen , Qinglin Jia , Shengzhe Wang , Jinlong Jiao , Runhan Li , Jiaqing Liu , Chaoyi Ma , Ruiming Tang , Guorui Zhou , Han Li , Kun Gai

Deep and wide neural networks successfully fit very complex functions today, but dense models are starting to be prohibitively expensive for inference. To mitigate this, one promising direction is networks that activate a sparse subgraph of…

Machine Learning · Computer Science 2022-08-10 Cenk Baykal , Nishanth Dikkala , Rina Panigrahy , Cyrus Rashtchian , Xin Wang

Training large, deep neural networks to convergence can be prohibitively expensive. As a result, often only a small selection of popular, dense models are reused across different contexts and tasks. Increasingly, sparsely activated models,…

Scaling large language models (LLMs) improves performance but significantly increases inference costs, with feed-forward networks (FFNs) consuming the majority of computational resources. While Mixture-of-Experts (MoE) architectures can…

Machine Learning · Computer Science 2026-04-24 Zehua Pei , Hui-Ling Zhen , Lancheng Zou , Xianzhi Yu , Wulong Liu , Sinno Jialin Pan , Mingxuan Yuan , Bei Yu

Sparse Mixture-of-Experts (SMoE) models represent a significant advancement in large language model (LLM) development through their efficient parameter utilization. These models achieve substantial performance improvements at reduced…

Machine Learning · Computer Science 2025-10-28 I-Chun Chen , Hsu-Shen Liu , Wei-Fang Sun , Chen-Hao Chao , Yen-Chang Hsu , Chun-Yi Lee

Sparse Mixture of Expert (SMoE) models have emerged as a scalable alternative to dense models in language modeling. These models use conditionally activated feedforward subnetworks in transformer blocks, allowing for a separation between…

Machine Learning · Computer Science 2024-09-04 Soumajyoti Sarkar , Leonard Lausen , Volkan Cevher , Sheng Zha , Thomas Brox , George Karypis

The sparse Mixture-of-Experts (MoE) model is powerful for large-scale pre-training and has achieved promising results due to its model capacity. However, with trillions of parameters, MoE is hard to be deployed on cloud or mobile…

Machine Learning · Computer Science 2022-06-03 Tianyu Chen , Shaohan Huang , Yuan Xie , Binxing Jiao , Daxin Jiang , Haoyi Zhou , Jianxin Li , Furu Wei

The demand for efficient processing of deep neural networks (DNNs) on embedded devices is a significant challenge limiting their deployment. Exploiting sparsity in the network's feature maps is one of the ways to reduce its inference…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Matteo Grimaldi , Darshan C. Ganji , Ivan Lazarevich , Sudhakar Sah

The rapid advancement of large language models (LLMs) has led to architectures with billions to trillions of parameters, posing significant deployment challenges due to their substantial demands on memory, processing power, and energy…

Machine Learning · Computer Science 2024-07-02 Enshu Liu , Junyi Zhu , Zinan Lin , Xuefei Ning , Matthew B. Blaschko , Shengen Yan , Guohao Dai , Huazhong Yang , Yu Wang

Mixture-of-Experts (MoE) large language models (LLMs) are among the top-performing architectures. The largest models, often with hundreds of billions of parameters, pose significant memory challenges for deployment. Traditional approaches…

Artificial Intelligence · Computer Science 2026-04-07 Saurav Jha , Maryam Hashemzadeh , Ali Saheb Pasand , Ali Parviz , Min-Joong Lee , Boris Knyazev

Large Language Models have achieved remarkable success across various natural language processing tasks, yet their high computational cost during inference remains a major bottleneck. This paper introduces Sparse Expert Activation Pruning…

Computation and Language · Computer Science 2025-03-11 Xun Liang , Hanyu Wang , Huayi Lai , Simin Niu , Shichao Song , Jiawei Yang , Jihao Zhao , Feiyu Xiong , Bo Tang , Zhiyu Li

Sparsely-activated Mixture-of-experts (MoE) models allow the number of parameters to greatly increase while keeping the amount of computation for a given token or a given sample unchanged. However, a poor expert routing strategy (e.g. one…

Machine Learning · Computer Science 2022-10-17 Yanqi Zhou , Tao Lei , Hanxiao Liu , Nan Du , Yanping Huang , Vincent Zhao , Andrew Dai , Zhifeng Chen , Quoc Le , James Laudon

Mixture-of-Experts (MoE) models typically fix the number of activated experts $k$ at both training and inference. However, real-world deployments often face heterogeneous hardware, fluctuating workloads, and diverse quality-latency…

Computation and Language · Computer Science 2026-05-12 Naibin Gu , Zhenyu Zhang , Yuchen Feng , Yilong Chen , Peng Fu , Zheng Lin , Shuohuan Wang , Yu Sun , Hua Wu , Weiping Wang , Haifeng Wang