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RUMD is a general purpose, high-performance molecular dynamics (MD) simulation package running on graphical processing units (GPU's). RUMD addresses the challenge of utilizing the many-core nature of modern GPU hardware when simulating…

Mixture-of-Experts (MoE) has become the de facto architecture for hundred-billion-parameter language models, yet its advantages at sub-billion scales for on-device deployment remain largely unexplored. To close this gap, we present…

The limited HBM capacity has become the primary bottleneck for hosting an increasing number of larger-scale GPU tasks. While demand paging extends capacity via host DRAM, it incurs up to 78x slowdown due to the massive working sets and poor…

Operating Systems · Computer Science 2026-01-05 Weihang Shen , Yinqiu Chen , Rong Chen , Haibo Chen

In recent years, GPUs have become the preferred accelerators for HPC and ML applications due to their parallelism and fast memory bandwidth. While GPUs boost computation, inter-GPU communication can create scalability bottlenecks,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-24 Didem Unat , Ilyas Turimbetov , Mohammed Kefah Taha Issa , Doğan Sağbili , Flavio Vella , Daniele De Sensi , Ismayil Ismayilov

Traditional compilers operate on a single generic intermediate representation (IR). These IRs are usually low-level and close to machine instructions. As a result, optimizations relying on domain-specific information are either not possible…

Optimizing GPU kernels for high performance is a complex task, often demanding deep architectural knowledge, extensive profiling, and iterative experimentation. This challenge is amplified when targeting newer or less-documented GPU…

Machine Learning · Computer Science 2025-08-25 Martin Andrews , Sam Witteveen

Advancing beyond single monolithic language models (LMs), recent research increasingly recognizes the importance of model collaboration, where multiple LMs collaborate, compose, and complement each other. Existing research on this topic has…

Large language models have achieved remarkable capabilities through scaling, and this paper does not challenge that. It instead investigates a different question: once large models already exist, can they become more accessible to…

Performance · Computer Science 2026-05-29 Myeong Jun Jo

Data movement between the main memory and the processor is a key contributor to execution time and energy consumption in memory-intensive applications. This data movement bottleneck can be alleviated using Processing-in-Memory (PiM). One…

The unabated growth in AI workload demands is driving the need for concerted advances in compute, memory, and interconnect performance. As traditional semiconductor scaling slows, high-speed interconnects have emerged as the new scaling…

Hardware Architecture · Computer Science 2025-10-21 Mikhail Bernadskiy , Peter Carson , Thomas Graham , Taylor Groves , Ho John Lee , Eric Yeh

Modern machine learning (ML) training workloads place substantial demands on both computational and communication resources. Consequently, accurate performance estimation has become increasingly critical for guiding system design decisions,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-10 Jianxing Qin , Jingrong Chen , Xinhao Kong , Yongji Wu , Tianjun Yuan , Liang Luo , Zhaodong Wang , Ying Zhang , Tingjun Chen , Alvin R. Lebeck , Danyang Zhuo

This paper focuses on monolithic Multimodal Large Language Models (MLLMs), which integrate visual encoding and language decoding into a single model. Existing structures and pre-training strategies for monolithic MLLMs often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Gen Luo , Wenhan Dou , Wenhao Li , Zhaokai Wang , Xue Yang , Changyao Tian , Hao Li , Weiyun Wang , Wenhai Wang , Xizhou Zhu , Yu Qiao , Jifeng Dai

The rapid development of large language models (LLMs) has revolutionized software testing, particularly fuzz testing, by automating the generation of diverse and effective test inputs. This advancement holds great promise for improving…

Software Engineering · Computer Science 2025-10-14 Linghan Huang , Peizhou Zhao , Huaming Chen

Memristor crossbars are circuits capable of performing analog matrix-vector multiplications, overcoming the fundamental energy efficiency limitations of digital logic. They have been shown to be effective in special-purpose accelerators for…

The first associations to software sustainability might be the existence of a continuous integration (CI) framework; the existence of a testing framework composed of unit tests, integration tests, and end-to-end tests; and also the…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-11-19 Terry Cojean , Yu-Hsiang "Mike" Tsai , Hartwig Anzt

The rapid advancements in artificial intelligence (AI), particularly the Large Language Models (LLMs), have profoundly affected our daily work and communication forms. However, it is still a challenge to deploy LLMs on resource-constrained…

Hardware Architecture · Computer Science 2025-03-03 Mingqiang Huang , Ao Shen , Kai Li , Haoxiang Peng , Boyu Li , Yupeng Su , Hao Yu

Large Language Models (LLMs) are central to the one-for-all intelligent paradigm, but they face a fundamental challenge when dealing with heterogeneous scientific data such as molecules: the inherent gap between discrete linguistic symbols…

Artificial Intelligence · Computer Science 2026-05-22 Yuxuan Chen , Changwei Lv , Yunduo Xiao , Zhongjing Du , Daquan Zhou , Yukun Yan , Zheni Zeng , Zhiyuan Liu

Modern computing platforms tend to deploy multiple GPUs (2, 4, or more) on a single node to boost system performance, with each GPU having a large capacity of global memory and streaming multiprocessors (SMs). GPUs are an expensive…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-20 Chao Chen , Chris Porter , Santosh Pande

Heterogeneous computers integrate general-purpose host processors with domain-specific accelerators to combine versatility with efficiency and high performance. To realize the full potential of heterogeneous computers, however, many…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-12 Andreas Kurth , Björn Forsberg , Luca Benini

With easier access to powerful compute resources, there is a growing trend in AI for software development to develop large language models (LLMs) to address a variety of programming tasks. Even LLMs applied to tasks from the…