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FPGA-based data processing in datacenters is increasing in popularity due to the demands of modern workloads and the ensuing necessity for specialization in hardware. Driven by this trend, vendors are rapidly adapting reconfigurable devices…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-06 Kaan Kara , Christoph Hagleitner , Dionysios Diamantopoulos , Dimitris Syrivelis , Gustavo Alonso

Architectures with multiple classes of memory media are becoming a common part of mainstream supercomputer deployments. So called multi-level memories offer differing characteristics for each memory component including variation in…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-04-04 Mehmet Deveci , Simon D. Hammond , Michael M. Wolf , Sivasankaran Rajamanickam

LLM inference is increasingly limited by memory bandwidth, and the bottleneck worsens at long context as the KV cache grows. CXL memory adds capacity to offload weights and KV, but its link and device-side DDR bandwidth are far below HBM,…

Hardware Architecture · Computer Science 2026-02-02 Rui Xie , Asad Ul Haq , Yunhua Fang , Linsen Ma , Zirak Burzin Engineer , Liu Liu , Tong Zhang

Computing-In-Memory (CIM) offers a potential solution to the memory wall issue and can achieve high energy efficiency by minimizing data movement, making it a promising architecture for edge AI devices. Lightweight models like MobileNet and…

Hardware Architecture · Computer Science 2025-08-21 Choongseok Song , Doo Seok Jeong

Memory bandwidth regulation and cache partitioning are widely used techniques for achieving predictable timing in real-time computing systems. Combined with partitioned scheduling, these methods require careful co-allocation of tasks and…

Optimization and Control · Mathematics 2025-05-20 Binqi Sun , Zhihang Wei , Andrea Bastoni , Debayan Roy , Mirco Theile , Tomasz Kloda , Rodolfo Pellizzoni , Marco Caccamo

With the ever-growing need of data in HPC applications, the congestion at the I/O level becomes critical in super-computers. Architectural enhancement such as burst-buffers and pre-fetching are added to machines, but are not sufficient to…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-02-23 Guillaume Aupy , Ana Gainaru , Valentin Le Fèvre

Processing-in-memory (PIM) reduces data movement by executing near memory, but our large-scale characterization on real PIM hardware shows that end-to-end performance is often limited by disjoint host and device address spaces that force…

Emerging Technologies · Computer Science 2025-11-20 I-Ting Lee , Bao-Kai Wang , Liang-Chi Chen , Wen Sheng Lim , Da-Wei Chang , Yu-Ming Chang , Chieng-Chung Ho

Processing-in-memory (PIM) is a promising choice for accelerating deep neural networks (DNNs) featuring high efficiency and low power. However, the rapid upscaling of neural network model sizes poses a crucial challenge for the limited…

Hardware Architecture · Computer Science 2024-11-21 Ruibao Wang , Bonan Yan

As multimodal and AI-driven services exchange hundreds of megabytes per request, existing IPC runtimes spend a growing share of CPU cycles on memory copies. Although both hardware and software mechanisms are exploring memory offloading,…

Operating Systems · Computer Science 2026-01-13 Misun Park , Richi Dubey , Yifan Yuan , Nam Sung Kim , Ada Gavrilovska

Disaggregated memory is a promising approach that addresses the limitations of traditional memory architectures by enabling memory to be decoupled from compute nodes and shared across a data center. Cloud platforms have deployed such…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-21 Nan Ding , Pieter Maris , Hai Ah Nam , Taylor Groves , Muaaz Gul Awan , LeAnn Lindsey , Christopher Daley , Oguz Selvitopi , Leonid Oliker , Nicholas Wright , Samuel Williams

The importance of stencil-based algorithms in computational science has focused attention on optimized parallel implementations for multilevel cache-based processors. Temporal blocking schemes leverage the large bandwidth and low latency of…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-07-28 Tareq Malas , Georg Hager , Hatem Ltaief , Holger Stengel , Gerhard Wellein , David Keyes

Convolutional neural network (CNN) inference on mobile devices demands efficient hardware acceleration of low-precision (INT8) general matrix multiplication (GEMM). Exploiting data sparsity is a common approach to further accelerate GEMM…

Hardware Architecture · Computer Science 2020-10-14 Zhi-Gang Liu , Paul N. Whatmough , Matthew Mattina

Memory bandwidth bottleneck is a major challenges in processing machine learning (ML) algorithms. In-memory acceleration has potential to address this problem; however, it needs to address two challenges. First, in-memory accelerator should…

Machine Learning · Computer Science 2019-01-10 Hajar Falahati , Pejman Lotfi-Kamran , Mohammad Sadrosadati , Hamid Sarbazi-Azad

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

Graph processing requires irregular, fine-grained random access patterns incompatible with contemporary off-chip memory architecture, leading to inefficient data access. This inefficiency makes graph processing an extremely memory-bound…

Hardware Architecture · Computer Science 2025-03-11 Changmin Shin , Jaeyong Song , Hongsun Jang , Dogeun Kim , Jun Sung , Taehee Kwon , Jae Hyung Ju , Frank Liu , Yeonkyu Choi , Jinho Lee

Sparse general matrix multiplication (SpGEMM) is a fundamental building block for many real-world applications. Since SpGEMM is a well-known memory-bounded application with vast and irregular memory accesses, considering the memory access…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-08-22 Zhaoyang Du , Yijin Guan , Tianchan Guan , Dimin Niu , Hongzhong Zheng , Yuan Xie

Sparse deep learning has reduced computation significantly, but its irregular non-zero data distribution complicates the data flow and hinders data reuse, increasing on-chip SRAM access and thus power consumption of the chip. This paper…

Hardware Architecture · Computer Science 2025-03-26 Kai-Chieh Hsu , Tian-Sheuan Chang

As high-performance computing (HPC) moves into the exascale era, computer scientists and engineers must find innovative ways of transferring and processing unprecedented amounts of data. As the scale and complexity of the applications…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-09-30 Melissa Romanus , Robert B. Ross , Manish Parashar

Compute eXpress Link (CXL) has emerged as a key enabler of memory disaggregation for future heterogeneous computing systems to expand memory on-demand and improve resource utilization. However, CXL is still in its infancy stage and lacks…

Emerging Technologies · Computer Science 2026-01-13 Yanjing Wang , Lizhou Wu , Wentao Hong , Yang Ou , Zicong Wang , Sunfeng Gao , Jie Zhang , Sheng Ma , Dezun Dong , Xingyun Qi , Mingche Lai , Nong Xiao

Compute Express Link (CXL) is a promising technology that addresses memory and storage challenges. Despite its advantages, CXL faces performance threats from external interference when co-existing with current memory and storage systems.…

Hardware Architecture · Computer Science 2024-11-28 Shunyu Mao , Jiajun Luo , Yixin Li , Jiapeng Zhou , Weidong Zhang , Zheng Liu , Teng Ma , Shuwen Deng