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The Compute Express Link (CXL) technology facilitates the extension of CPU memory through byte-addressable SerDes links and cascaded switches, creating complex heterogeneous memory systems where CPU access to various endpoints differs in…

硬件体系结构 · 计算机科学 2025-11-06 Yiqi Chen , Xiping Dong , Zhe Zhou , Zhao Wang , Jie Zhang , Guangyu Sun

Hierarchical federated learning (HFL) shows great advantages over conventional two-layer federated learning (FL) in reducing network overhead and interaction latency while still retaining the data privacy of distributed FL clients. However,…

机器学习 · 计算机科学 2023-11-07 Bibo Wu , Fang Fang , Xianbin Wang , Donghong Cai , Shu Fu , Zhiguo Ding

We consider Oblivious Shuffling and K-Oblivious Shuffling, a refinement thereof. We provide efficient algorithms for both and discuss their application to the design of Oblivious RAM. The task of K-Oblivious Shuffling is to obliviously…

密码学与安全 · 计算机科学 2017-10-19 Sarvar Patel , Giuseppe Persiano , Kevin Yeo

Heap memory errors remain a major source of software vulnerabilities. Existing memory safety defenses aim at protecting all objects, resulting in high performance cost and incomplete protection. Instead, we propose an approach that…

密码学与安全 · 计算机科学 2024-08-21 Kaiming Huang , Mathias Payer , Zhiyun Qian , Jack Sampson , Gang Tan , Trent Jaeger

This paper proposes a general framework for generating cache-oblivious layouts for binary search trees. A cache-oblivious layout attempts to minimize cache misses on any hierarchical memory, independent of the number of memory levels and…

数据结构与算法 · 计算机科学 2013-07-29 Peter Lindstrom , Deepak Rajan

This paper addresses the challenges of Online Action Recognition (OAR), a framework that involves instantaneous analysis and classification of behaviors in video streams. OAR must operate under stringent latency constraints, making it an…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Wei Luo , Deyu Zhang , Ying Tang , Fan Wu , Yaoxue Zhang

Large language model (LLM)-based agents have shown strong potential in multi-task scenarios, owing to their ability to transfer knowledge across diverse tasks. However, existing approaches often treat prior experiences and knowledge as…

人工智能 · 计算机科学 2025-09-17 Shicheng Ye , Chao Yu , Kaiqiang Ke , Chengdong Xu , Yinqi Wei

Wide-area network traffic engineering enables network operators to reduce congestion and improve utilization by balancing load across multiple paths. Current approaches to traffic engineering can be modeled in terms of a routing component…

网络与互联网体系结构 · 计算机科学 2019-04-09 Praveen Kumar , Yang Yuan , Chris Yu , Nate Foster , Robert Kleinberg , Robert Soulé

We study the problem of providing privacy-preserving access to an outsourced honest-but-curious data repository for a group of trusted users. We show that such privacy-preserving data access is possible using a combination of probabilistic…

密码学与安全 · 计算机科学 2011-05-23 Michael T. Goodrich , Michael Mitzenmacher , Olga Ohrimenko , Roberto Tamassia

The proliferation of machine learning services in the last few years has raised data privacy concerns. Homomorphic encryption (HE) enables inference using encrypted data but it incurs 100x-10,000x memory and runtime overheads. Secure deep…

This paper summarizes our work on characterizing application memory error vulnerability to optimize datacenter cost via Heterogeneous-Reliability Memory (HRM), which was published in DSN 2014, and examines the work's significance and future…

分布式、并行与集群计算 · 计算机科学 2018-05-11 Yixin Luo , Sriram Govindan , Bikash Sharma , Mark Santaniello , Justin Meza , Aman Kansal , Jie Liu , Badriddine Khessib , Kushagra Vaid , Onur Mutlu

Modern HBM-based memory systems have evolved over generations while retaining cache line granularity accesses. Preserving this fine granularity necessitated the introduction of bank groups and pseudo channels. These structures expand timing…

硬件体系结构 · 计算机科学 2025-12-02 Hwayong Nam , Seungmin Baek , Jumin Kim , Michael Jaemin Kim , Jung Ho Ahn

Autoregressive (AR) video diffusion is a powerful paradigm for streaming and interactive video generation. However, its reliance on softmax self-attention leads to quadratic compute complexity in sequence length and memory usage due to…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Kunyang Li , Mubarak Shah , Yuzhang Shang

As memory technologies continue to shrink and memory error rates increase, the demand for stronger reliability becomes increasingly critical. Fine-grain memory replication has emerged as an appealing approach to improving memory fault…

硬件体系结构 · 计算机科学 2025-02-25 Haris Volos , Yiannakis Sazeides

Poor time predictability of multicore processors has been a long-standing challenge in the real-time systems community. In this paper, we make a case that a fundamental problem that prevents efficient and predictable real-time computing on…

硬件体系结构 · 计算机科学 2018-04-20 Farzad Farshchi , Prathap Kumar Valsan , Renato Mancuso , Heechul Yun

Theory of mind (ToM) enables AI systems to infer agents' hidden goals and mental states, but existing approaches focus mainly on small human understandable gridworld spaces. We introduce HiVAE, a hierarchical variational architecture that…

机器学习 · 计算机科学 2026-02-20 Nigel Doering , Rahath Malladi , Arshia Sangwan , David Danks , Tauhidur Rahman

Hierarchical Temporal Memory (HTM) is an unsupervised learning algorithm inspired by the features of the neocortex that can be used to continuously process stream data and detect anomalies, without requiring a large amount of data for…

神经与进化计算 · 计算机科学 2021-12-16 Oliviero Riganelli , Paolo Saltarel , Alessandro Tundo , Marco Mobilio , Leonardo Mariani

Magneto-Electric FET (MEFET) is a recently developed post-CMOS FET, which offers intriguing characteristics for high speed and low-power design in both logic and memory applications. In this paper, for the first time, we propose a…

新兴技术 · 计算机科学 2020-09-15 Shaahin Angizi , Navid Khoshavi , Andrew Marshall , Peter Dowben , Deliang Fan

The emerging hybrid DRAM-NVM architecture is challenging the existing memory management mechanism in operating system. In this paper, we introduce memos, which can schedule memory resources over the entire memory hierarchy including cache,…

操作系统 · 计算机科学 2017-03-23 Lei Liu , Mengyao Xie , Hao Yang

Higher dimensional classification has attracted more attentions with increasing demands for more flexible services in the Internet. In this paper, we present the design and implementation of a two dimensional router (TwoD router), that…

网络与互联网体系结构 · 计算机科学 2019-08-14 Shu Yang , Laizhong Cui , Xinhao Deng , Qi Li , Yulei Wu , Mingwei Xu , Dan Wang , Jianping Wu