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Applications with low data reuse and frequent irregular memory accesses, such as graph or sparse linear algebra workloads, fail to scale well due to memory bottlenecks and poor core utilization. While prior work with prefetching,…

硬件体系结构 · 计算机科学 2023-05-05 Marcelo Orenes-Vera , Esin Tureci , David Wentzlaff , Margaret Martonosi

Computing on encrypted data is a promising approach to reduce data security and privacy risks, with homomorphic encryption serving as a facilitator in achieving this goal. In this work, we accelerate homomorphic operations using the…

密码学与安全 · 计算机科学 2023-10-04 Harshita Gupta , Mayank Kabra , Juan Gómez-Luna , Konstantinos Kanellopoulos , Onur Mutlu

Data copy is a widely-used memory operation in many programs and operating system services. In conventional computers, data copy is often carried out by two separate read and write transactions that pass data back and forth between the DRAM…

Recently Resistive-RAM (RRAM) crossbar has been used in the design of the accelerator of convolutional neural networks (CNNs) to solve the memory wall issue. However, the intensive multiply-accumulate computations (MACs) executed at the…

信号处理 · 电气工程与系统科学 2019-06-10 Xizi Chen , Jingyang Zhu , Jingbo Jiang , Chi-Ying Tsui

Memory tiering systems seek cost-effective memory scaling by adding multiple tiers of memory. For maximum performance, frequently accessed (hot) data must be placed close to the host in faster tiers and infrequently accessed (cold) data can…

操作系统 · 计算机科学 2025-08-07 Sujay Yadalam , Konstantinos Kanellis , Michael Swift , Shivaram Venkataraman

Transactional memory (TM) allows concurrent processes to organize sequences of operations on shared \emph{data items} into atomic transactions. A transaction may commit, in which case it appears to have executed sequentially or it may…

分布式、并行与集群计算 · 计算机科学 2015-11-16 Petr Kuznetsov , Srivatsan Ravi

Neural networks for time series forecasting have relied on error metrics and architecture-specific interpretability approaches for model selection that don't apply across models of different families. To interpret forecasting models…

机器学习 · 计算机科学 2026-05-29 Krupakar Hans , V A Kandappan

Graph Neural Networks (GNNs) have recently gained attention due to their performance on non-Euclidean data. The use of custom hardware architectures proves particularly beneficial for GNNs due to their irregular memory access patterns,…

硬件体系结构 · 计算机科学 2025-03-03 Pedro Gimenes , Yiren Zhao , George Constantinides

Resistive Random Access Memory (RRAM) is an emerging device for processing-in-memory (PIM) architecture to accelerate convolutional neural network (CNN). However, due to the highly coupled crossbar structure in the RRAM array, it is…

硬件体系结构 · 计算机科学 2020-10-14 Songming Yu , Yongpan Liu , Lu Zhang , Jingyu Wang , Jinshan Yue , Zhuqing Yuan , Xueqing Li , Huazhong Yang

Money laundering detection faces challenges due to excessive false positives and inadequate adaptation to sophisticated multi-stage schemes that exploit modern financial networks. Graph analytics and AI are promising tools, but they…

分布式、并行与集群计算 · 计算机科学 2026-04-15 Haojie Ye , Arjun Laxman , Yichao Yuan , Krisztian Flautner , Nishil Talati

Ordered (key-value) maps are an important and widely-used data type for large-scale data processing frameworks. Beyond simple search, insertion and deletion, more advanced operations such as range extraction, filtering, and bulk updates…

数据结构与算法 · 计算机科学 2018-03-28 Yihan Sun , Daniel Ferizovic , Guy E. Blelloch

Dense matrix multiply (MM) serves as one of the most heavily used kernels in deep learning applications. To cope with the high computation demands of these applications, heterogeneous architectures featuring both FPGA and dedicated ASIC…

The generic matrix multiply (GEMM) function is the core element of high-performance linear algebra libraries used in many computationally-demanding digital signal processing (DSP) systems. We propose an acceleration technique for GEMM based…

数学软件 · 计算机科学 2015-05-30 Davide Anastasia , Yiannis Andreopoulos

Node-level graph anomaly detection (GAD) plays a critical role in identifying anomalous nodes from graph-structured data in various domains such as medicine, social networks, and e-commerce. However, challenges have arisen due to the…

机器学习 · 计算机科学 2023-11-29 Junjun Pan , Yixin Liu , Yizhen Zheng , Shirui Pan

This paper studies asynchronous message passing (AMP), a new paradigm for applying neural network based learning to graphs. Existing graph neural networks use the synchronous distributed computing model and aggregate their neighbors in each…

机器学习 · 计算机科学 2022-05-25 Lukas Faber , Roger Wattenhofer

Processing in-memory (PIM) is promising to accelerate neural networks (NNs) because it minimizes data movement and provides large computational parallelism. Similar to machine learning accelerators, application mapping, which determines the…

硬件体系结构 · 计算机科学 2024-07-02 Xuan Wang , Minxuan Zhou , Tajana Rosing

In this paper, we develop a new parallel auxiliary grid algebraic multigrid (AMG) method to leverage the power of graphic processing units (GPUs). In the construction of the hierarchical coarse grid, we use a simple and fixed coarsening…

数值分析 · 数学 2012-12-07 Lu Wang , Xiaozhe Hu , Jonathan Cohen , Jinchao Xu

The deployment of large language models (LLMs) presents significant challenges due to their enormous memory footprints, low arithmetic intensity, and stringent latency requirements, particularly during the autoregressive decoding stage.…

硬件体系结构 · 计算机科学 2025-11-03 Cenlin Duan , Jianlei Yang , Rubing Yang , Yikun Wang , Yiou Wang , Lingkun Long , Yingjie Qi , Xiaolin He , Ao Zhou , Xueyan Wang , Weisheng Zhao

Resistive random-access memory (RRAM) is gaining popularity due to its ability to offer computing within the memory and its non-volatile nature. The unique properties of RRAM, such as binary switching, multi-state switching, and device…

新兴技术 · 计算机科学 2024-07-08 Simranjeet Singh , Farhad Merchant , Sachin Patkar

While Annealing Machines (AM) have shown increasing capabilities in solving complex combinatorial problems, positioning themselves as a more immediate alternative to the expected advances of future fully quantum solutions, there are still…