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Heterogeneous systems have become one of the most common architectures today, thanks to their excellent performance and energy consumption. However, due to their heterogeneity they are very complex to program and even more to achieve…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-26 Raúl Nozal , Jose Luis Bosque , Ramón Beivide

We propose HiCL, a novel hippocampal-inspired dual-memory continual learning architecture designed to mitigate catastrophic forgetting by using elements inspired by the hippocampal circuitry. Our system encodes inputs through a…

Machine Learning · Computer Science 2026-02-11 Kushal Kapoor , Wyatt Mackey , Yiannis Aloimonos , Xiaomin Lin

Multi-Agent Reinforcement Learning (MARL) has been successful in solving many cooperative challenges. However, classic non-hierarchical MARL algorithms still cannot address various complex multi-agent problems that require hierarchical…

Artificial Intelligence · Computer Science 2024-03-28 Qingxu Fu , Tenghai Qiu , Jianqiang Yi , Zhiqiang Pu , Xiaolin Ai

Collective communication is a major bottleneck for multi-node GPU workloads in scientific computing and distributed deep learning, especially when inter-node bandwidth is limited. Although NCCL provides optimized GPU-centric collectives,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-13 Jiamin Wang , Zhijing Ye , Xiaodong Yu

In this paper, we propose a hierarchical contrastive learning framework, HiCL, which considers local segment-level and global sequence-level relationships to improve training efficiency and effectiveness. Traditional methods typically…

Computation and Language · Computer Science 2023-10-17 Zhuofeng Wu , Chaowei Xiao , VG Vinod Vydiswaran

Federated Graph Learning (FGL) has emerged as a promising way to learn high-quality representations from distributed graph data with privacy preservation. Despite considerable efforts have been made for FGL under either cross-device or…

Machine Learning · Computer Science 2024-06-18 Zhuoning Guo , Duanyi Yao , Qiang Yang , Hao Liu

The usage of large language models (LLMs) has grown increasingly fragmented, with no single model dominating. Meanwhile, cloud providers offer a wide range of mid-tier and older-generation GPUs that enjoy better availability and deliver…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-07 Yixuan Mei , Zikun Li , Zixuan Chen , Shiqi Pan , Mengdi Wu , Xupeng Miao , Zhihao Jia , K. V. Rashmi

Decentralized combinatorial optimization in evolving multi-agent systems poses significant challenges, requiring agents to balance long-term decision-making, short-term optimized collective outcomes, while preserving autonomy of interactive…

Multiagent Systems · Computer Science 2025-09-23 Chuhao Qin , Evangelos Pournaras

In the exascale computing era, optimizing MPI collective performance in high-performance computing (HPC) applications is critical. Current algorithms face performance degradation due to system call overhead, page faults, or data-copy…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-19 Jiajun Huang , Kaiming Ouyang , Yujia Zhai , Jinyang Liu , Min Si , Ken Raffenetti , Hui Zhou , Atsushi Hori , Zizhong Chen , Yanfei Guo , Rajeev Thakur

Computing systems have become increasingly complex with the emergence of heterogeneous hardware combining multicore CPUs and GPUs. These parallel systems exhibit tremendous computational power at the cost of increased programming effort.…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-02-10 Michel Steuwer , Christian Fensch , Christophe Dubach

Training large language models (LLMs) is a computationally intensive task, which is typically conducted in data centers with homogeneous high-performance GPUs. In this paper, we explore an alternative approach by deploying training…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-14 Ran Yan , Youhe Jiang , Xiaonan Nie , Fangcheng Fu , Bin Cui , Binhang Yuan

FPGAs are increasingly prevalent in cloud deployments, serving as Smart NICs or network-attached accelerators. Despite their potential, developing distributed FPGA-accelerated applications remains cumbersome due to the lack of appropriate…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-12-20 Zhenhao He , Dario Korolija , Yu Zhu , Benjamin Ramhorst , Tristan Laan , Lucian Petrica , Michaela Blott , Gustavo Alonso

The high-performance computing (HPC) landscape is undergoing rapid transformation, with an increasing emphasis on energy-efficient and heterogeneous computing environments. This comprehensive study extends our previous research on SYCL's…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-15 Manuel Costanzo , Enzo Rucci , Carlos García-Sánchez , Marcelo Naiouf , Manuel Prieto-Matías

Collective communication algorithms are an important component of distributed computation. Indeed, in the case of deep-learning, collective communication is the Amdahl's bottleneck of data-parallel training. This paper introduces SCCL (for…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-22 Zixian Cai , Zhengyang Liu , Saeed Maleki , Madan Musuvathi , Todd Mytkowicz , Jacob Nelson , Olli Saarikivi

Heterogeneous clusters with nodes containing one or more accelerators, such as GPUs, have become common. While MPI provides inter-address space communication, and OpenCL provides a process with access to heterogeneous computational…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-09-19 Hyun Dok Cho , Okwan Kwon , Samuel P. Midkiff

Hyperdimensional Computing (HDC) is a bio-inspired computing framework that has gained increasing attention, especially as a more efficient approach to machine learning (ML). This work introduces the \name{} compiler, the first open-source…

Machine Learning · Computer Science 2023-04-26 Pere Vergés , Mike Heddes , Igor Nunes , Tony Givargis , Alexandru Nicolau

In the past decade, high performance compute capabilities exhibited by heterogeneous GPGPU platforms have led to the popularity of data parallel programming languages such as CUDA and OpenCL. Such languages, however, involve a steep…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-17 Anirban Ghose , Siddharth Singh , Vivek Kulaharia , Lokesh Dokara , Srijeeta Maity , Soumyajit Dey

Modern GPU systems are constantly evolving to meet the needs of computing-intensive applications in scientific and machine learning domains. However, there is typically a gap between the hardware capacity and the achievable application…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-02 Gabin Schieffer , Ruimin Shi , Stefano Markidis , Andreas Herten , Jennifer Faj , Ivy Peng

As large language models (LLMs) continue to scale and new GPUs are released even more frequently, there is an increasing demand for LLM post-training in heterogeneous environments to fully leverage underutilized mid-range or…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-14 Yongjun He , Shuai Zhang , Jiading Gai , Xiyuan Zhang , Boran Han , Bernie Wang , Huzefa Rangwala , George Karypis

Hyperdimensional computing (HDC) is an emerging computing paradigm that represents, manipulates, and communicates data using very long random vectors (aka hypervectors). Among different hardware platforms capable of executing HDC…

Hardware Architecture · Computer Science 2022-05-24 Robert Guirado , Abbas Rahimi , Geethan Karunaratne , Eduard Alarcón , Abu Sebastian , Sergi Abadal