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Quantum computing is a rapidly expanding field with applications ranging from optimization all the way to complex machine learning tasks. Quantum memories, while lacking in practical quantum computers, have the potential to bring quantum…

Advancement in Processor technology has made it easy to handle data-intensive workloads, but limiting main memory advances has created performance bottlenecks. In DRAM, there have been improvements in DRAM access latency as well as…

硬件体系结构 · 计算机科学 2021-05-24 Saurabh Jaiswal , Shailendra Kumar Gupta , Soumya Soubhagya Dandapat

Non-volatile memory (NVM) is an emerging technology, which has the persistence characteristics of large capacity storage devices(e.g., HDDs and SSDs), while providing the low access latency and byte-addressablity of traditional DRAM memory.…

数据库 · 计算机科学 2020-05-18 Yinjun Wu , Kwanghyun Park , Rathijit Sen , Brian Kroth , Jaeyoung Do

Change-point detection (CPD), which detects abrupt changes in the data distribution, is recognized as one of the most significant tasks in time series analysis. Despite the extensive literature on offline CPD, unsupervised online CPD still…

机器学习 · 计算机科学 2023-12-07 Zahra Atashgahi , Decebal Constantin Mocanu , Raymond Veldhuis , Mykola Pechenizkiy

Attention mechanisms, primarily designed to capture pairwise correlations between words, have become the backbone of machine learning, expanding beyond natural language processing into other domains. This growth in adaptation comes at the…

机器学习 · 计算机科学 2022-09-27 Sheng-Chun Kao , Suvinay Subramanian , Gaurav Agrawal , Amir Yazdanbakhsh , Tushar Krishna

Transformers are slow and memory-hungry on long sequences, since the time and memory complexity of self-attention are quadratic in sequence length. Approximate attention methods have attempted to address this problem by trading off model…

机器学习 · 计算机科学 2022-06-24 Tri Dao , Daniel Y. Fu , Stefano Ermon , Atri Rudra , Christopher Ré

Enabling high energy efficiency is crucial for embedded implementations of deep learning. Several studies have shown that the DRAM-based off-chip memory accesses are one of the most energy-consuming operations in deep neural network (DNN)…

分布式、并行与集群计算 · 计算机科学 2023-03-06 Rachmad Vidya Wicaksana Putra , Muhammad Abdullah Hanif , Muhammad Shafique

In modern server CPUs, the Last-Level Cache (LLC) serves not only as a victim cache for higher-level private caches but also as a buffer for low-latency DMA transfers between CPU cores and I/O devices through Direct Cache Access (DCA).…

硬件体系结构 · 计算机科学 2025-06-16 Haneul Park , Jiaqi Lou , Sangjin Lee , Yifan Yuan , Kyoung Soo Park , Yongseok Son , Ipoom Jeong , Nam Sung Kim

The present von Neumann computing paradigm involves a significant amount of information transfer between a central processing unit (CPU) and memory, with concomitant limitations in the actual execution speed. However, it has been recently…

新兴技术 · 计算机科学 2014-07-03 Fabio Lorenzo Traversa , Fabrizio Bonani , Yuriy V. Pershin , Massimiliano Di Ventra

Disk access latency and transfer times are often considered to have a major and detrimental impact on the running time of software. Developers are often advised to favour in-memory operations and minimise disk access. Furthermore, diskless…

其他计算机科学 · 计算机科学 2015-03-31 Kamran Karimi , Diwakar Krishnamurthy , Parissa Mirjafari

Early work established convergence of the principal component estimators of the factors and loadings up to a rotation for large dimensional approximate factor models with weak factors in that the factor loading $\Lambda^{(0)}$ scales…

统计理论 · 数学 2025-03-12 Yong He , Dong Liu , Yunjing Sun , Yalin Wang

Convolutional neural networks (CNNs) are emerging as powerful tools for image processing in important commercial applications. We focus on the important problem of improving the latency of image recognition. CNNs' large data at each layer's…

硬件体系结构 · 计算机科学 2021-06-29 Ashish Gondimalla , Jianqiao Liu , T. N. Vijaykumar , Mithuna Thottethodi

In this paper, we propose Zero Aware Configurable Data Encoding by Skipping Transfer (ZAC-DEST), a data encoding scheme to reduce the energy consumption of DRAM channels, specifically targeted towards approximate computing and error…

硬件体系结构 · 计算机科学 2021-05-18 Chandan Kumar Jha , Shreyas Singh , Riddhi Thakker , Manu Awasthi , Joycee Mekie

Agent memory failures are silent: an LLM-based agent can produce a fluent response even when it fails to extract, retain, or retrieve the information needed across sessions. The write-manage-read loop describes the external pipeline of…

人工智能 · 计算机科学 2026-05-08 Xutao Mao , Jinman Zhao , Gerald Penn , Cong Wang

Inefficient data transfer between computation and memory inspired emerging processing-in-memory (PIM) technologies. Many PIM solutions enable storage and processing using memristors in a crossbar-array structure, with techniques such as…

硬件体系结构 · 计算机科学 2021-05-11 Orian Leitersdorf , Ben Perach , Ronny Ronen , Shahar Kvatinsky

Resistive Random Access Memory (RRAM) and Phase Change Memory (PCM) devices have been popularly used as synapses in crossbar array based analog Neural Network (NN) circuit to achieve more energy and time efficient data classification…

应用物理 · 物理学 2019-10-30 Divya Kaushik , Utkarsh Singh , Upasana Sahu , Indu Sreedevi , Debanjan Bhowmik

In-DRAM Processing-In-Memory (DRAM-PIM) has emerged as a promising approach to accelerate memory-intensive workloads by mitigating data transfer overhead between DRAM and the host processor. Bit-serial DRAM-PIM architectures, further…

硬件体系结构 · 计算机科学 2025-12-11 Siyuan Ma , Jiajun Hu , Jeeho Ryoo , Aman Arora , Lizy Kurian John

Modern DRAM architectures allow a number of low-power states on individual memory ranks for advanced power management. Many previous studies have taken advantage of demotions on low-power states for energy saving. However, most of the…

性能 · 计算机科学 2014-09-22 Yanchao Lu , Donghong Wu , Bingsheng He , Xueyan Tang , Jianliang Xu , Minyi Guo

Graph Neural Networks (GNNs) are becoming a promising technique in various domains due to their excellent capabilities in modeling non-Euclidean data. Although a spectrum of accelerators has been proposed to accelerate the inference of…

硬件体系结构 · 计算机科学 2023-11-17 Zeyu Zhu , Fanrong Li , Gang Li , Zejian Liu , Zitao Mo , Qinghao Hu , Xiaoyao Liang , Jian Cheng

As DRAM scales to higher density and I/O speeds, ensuring data correctness becomes increasingly difficult. Industry has responded with a three-layer stack: on-die ECC (O-ECC), link ECC (L-ECC), and system ECC (S-ECC). However, these layers…

硬件体系结构 · 计算机科学 2026-05-15 Junhwan Kim , Seunghyun Kim , Yesin Ryu , Saeid Gorgin , Jungrae Kim