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It is commonly assumed that the end-to-end networking performance of edge offloading is purely dictated by that of the network connectivity between end devices and edge computing facilities, where ongoing innovation in 5G/6G networking can…

Performance · Computer Science 2023-07-11 Walid A. Hanafy , Limin Wang , Hyunseok Chang , Sarit Mukherjee , T. V. Lakshman , Prashant Shenoy

Choosing the best memory layout for each hardware architecture is increasingly important as more and more programs become memory bound. For portable codes that run across heterogeneous hardware architectures, the choice of the memory layout…

Performance · Computer Science 2024-04-15 Bernhard Manfred Gruber

Large Language Model (LLM) adapters enable low-cost model specialization, but introduce complex caching and scheduling challenges in distributed serving systems where hundreds of adapters must be hosted concurrently. While prior work has…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-02 Ferran Agullo , Joan Oliveras , Chen Wang , Alberto Gutierrez-Torre , Olivier Tardieu , Alaa Youssef , Jordi Torres , Josep Ll. Berral

Multi-port memory controllers (MPMCs) have become increasingly important in many modern applications due to the tremendous growth in bandwidth requirement. Many approaches so far have focused on improving either the memory access latency or…

Hardware Architecture · Computer Science 2018-06-12 Xuan-Thuan Nguyen , Duc-Hung Le , Trong-Tu Bui , Huu-Thuan Huynh , Cong-Kha Pham

The current mobile applications have rapidly growing memory footprints, posing a great challenge for memory system design. Insufficient DRAM main memory will incur frequent data swaps between memory and storage, a process that hurts…

Hardware Architecture · Computer Science 2024-03-19 Fei Wen , Mian Qin , Paul Gratz , Narasimha Reddy

Processing-in-memory (PIM) has emerged as a promising solution for accelerating memory-intensive workloads as they provide high memory bandwidth to the processing units. This approach has drawn attention not only from the academic community…

Hardware Architecture · Computer Science 2024-09-11 Dongjae Lee , Bongjoon Hyun , Taehun Kim , Minsoo Rhu

Large Language Models (LLMs) are increasingly deployed on edge devices with Neural Processing Units (NPUs), yet the decode phase remains memory-intensive, limiting performance. Processing-in-Memory (PIM) offers a promising solution, but…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-18 Hai Huang

The rise of disaggregated AI GPUs has exposed a critical bottleneck in large-scale attention workloads: non-uniform memory access (NUMA). As multi-chiplet designs become the norm for scaling compute capabilities, memory latency and…

Hardware Architecture · Computer Science 2025-11-05 Mansi Choudhary , Karthik Sangaiah , Sonali Singh , Muhammad Osama , Lisa Wu Wills , Ganesh Dasika

Traditional graphics processing units (GPUs) suffer from the low memory capacity and demand for high memory bandwidth. To address these challenges, we propose Ohm-GPU, a new optical network based heterogeneous memory design for GPUs.…

Hardware Architecture · Computer Science 2021-09-14 Jie Zhang , Myoungsoo Jung

Large language models (LLMs) are widely used but expensive to run, especially as inference workloads grow. To lower costs, maximizing the request batch size by managing GPU memory efficiently is crucial. While PagedAttention has recently…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-25 Chen Zhang , Kuntai Du , Shu Liu , Woosuk Kwon , Xiangxi Mo , Yufeng Wang , Xiaoxuan Liu , Kaichao You , Zhuohan Li , Mingsheng Long , Jidong Zhai , Joseph Gonzalez , Ion Stoica

RAPID-LLM is a unified performance modeling framework for large language model (LLM) training and inference on GPU clusters. It couples a DeepFlow-based frontend that generates hardware-aware, operator-level Chakra execution traces from an…

Simultaneous machine translation models start generating a target sequence before they have encoded or read the source sequence. Recent approaches for this task either apply a fixed policy on a state-of-the art Transformer model, or a…

Computation and Language · Computer Science 2019-09-30 Xutai Ma , Juan Pino , James Cross , Liezl Puzon , Jiatao Gu

High-performance GPU kernels are essential for efficient LLM deployment, yet optimizing them remains expertise-intensive. Recent LLM-based code generation makes automatic GPU operator generation promising, but operator optimization remains…

Computation and Language · Computer Science 2026-05-29 Yining Zhang , Mingyang Yi , Chen Wang , Xuwen Xiang , Tianhe Jia , Zedong Dan , Chengqing Zong , Yue Wang

The near-field (P2P) operator in the Multilevel Fast Multipole Algorithm (MLFMA) is a performance bottleneck on GPUs due to poor memory locality. This work introduces data redundancy to improve spatial locality by reducing memory access…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-27 Morteza Sadeghi

Memory system is often the main bottleneck in chipmultiprocessor (CMP) systems in terms of latency, bandwidth and efficiency, and recently additionally facing capacity and power problems in an era of big data. A lot of research works have…

Hardware Architecture · Computer Science 2014-04-10 Licheng Chen , Tianyue Lu , Yanan Wang , Mingyu Chen , Yuan Ruan , Zehan Cui , Yongbing Huang , Mingyang Chen , Jiutian Zhang , Yungang Bao

Processing large-scale graph datasets is computationally intensive and time-consuming. Processor-centric CPU and GPU architectures, commonly used for graph applications, often face bottlenecks caused by extensive data movement between the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-11 Marzieh Barkhordar , Alireza Tabatabaeian , Mohammad Sadrosadati , Christina Giannoula , Juan Gomez Luna , Izzat El Hajj , Onur Mutlu , Alaa R. Alameldeen

We can use a hybrid memory system consisting of DRAM and Intel Optane DC Persistent Memory (We call it DCPM in this paper) as DCPM is now commercially available since April 2019. Even if the latency for DCPM is several times higher than…

Performance · Computer Science 2020-08-31 Kazuichi Oe

GPUs exploit a high degree of thread-level parallelism to hide long-latency stalls. Due to the heterogeneous compute requirements of different applications, there is a growing need to share the GPU across multiple applications in…

NVIDIA Multi-Process Service (MPS) enables fine-grained GPU sharing by allowing multiple processes to execute concurrently on the same GPU, making it an important mechanism for improving GPU utilization. However, MPS has weak fault…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-27 Rixin Liu , Xingqi Cui , Kaijian Wang , Xinheng Ding , Zirui Liu , Yuke Wang , Jiarong Xing

The growing memory demands of modern applications have driven the adoption of far memory technologies in data centers to provide cost-effective, high-capacity memory solutions. However, far memory presents new performance challenges because…

Hardware Architecture · Computer Science 2024-04-18 Luming Wang , Xu Zhang , Songyue Wang , Zhuolun Jiang , Tianyue Lu , Mingyu Chen , Siwei Luo , Keji Huang