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Transient Execution Attacks (TEAs) have gradually become a major security threat to modern high-performance processors. They exploit the vulnerability of speculative execution to illegally access private data, and transmit them through…

密码学与安全 · 计算机科学 2023-04-18 Bowen Tang , Chenggang Wu , Pen-Chung Yew , Yinqian Zhang , Mengyao Xie , Yuanming Lai , Yan Kang , Wei Wang , Qiang Wei , Zhe Wang

Wave-based analog signal processing holds the promise of extremely fast, on-the-fly, power-efficient data processing, occurring as a wave propagates through an artificially engineered medium. Yet, due to the fundamentally weak…

新兴技术 · 计算机科学 2022-06-01 Ali Momeni , Romain Fleury

We study the chaos of travelling waves (TW) in unidirectional chains of bistable maps. Previous numerical results suggested that this property is selective, {\sl viz.}\ given the parameters, there is at most a single (non-trivial) velocity…

元胞自动机与格子气 · 物理学 2018-11-21 Bastien Fernandez

Transactional memory allows the user to declare sequences of instructions as speculative \emph{transactions} that can either \emph{commit} or \emph{abort}. If a transaction commits, it appears to be executed sequentially, so that the…

分布式、并行与集群计算 · 计算机科学 2013-04-11 Hagit Attiya , Sandeep Hans , Petr Kuznetsov , Srivatsan Ravi

Speculative execution is a hardware optimisation technique where a processor, while waiting on the completion of a computation required for an instruction, continues to execute later instructions based on a predicted value of the pending…

计算机科学中的逻辑 · 计算机科学 2025-04-29 Graeme Smith

Transformer models serve as the backbone of many state-ofthe-art language models, and most use the scaled dot-product attention (SDPA) mechanism to capture relationships between tokens. However, the straightforward implementation of SDPA…

硬件体系结构 · 计算机科学 2024-08-09 Gina Sohn , Nathan Zhang , Kunle Olukotun

Flow Matching models achieve state-of-the-art image generation quality but incur substantial inference cost due to iterative denoising through large Transformer networks. We observe that different layer groups within a Transformer exhibit…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Guandong Li

A new watermarking algorithm is given, it is based on the so-called chaotic iterations and on the choice of some coefficients which are deduced from the description of the carrier medium. After defining these coefficients, chaotic discrete…

密码学与安全 · 计算机科学 2008-10-28 Jacques M. Bahi , Christophe Guyeux

Region proposal is critical for object detection while it usually poses a bottleneck in improving the computation efficiency on traditional control-flow architectures. We have observed region proposal tasks are potentially suitable for…

分布式、并行与集群计算 · 计算机科学 2018-10-30 Wenzhi Fu , Jianlei Yang , Pengcheng Dai , Yiran Chen , Weisheng Zhao

SmartNICs are increasingly deployed in datacenters to offload tasks from server CPUs, improving the efficiency and flexibility of datacenter security, networking and storage. Optimizing cloud server efficiency in this way is critically…

Data pre-processing pipelines are the bread and butter of any successful AI project. We introduce a novel programming model for pipelines in a data lakehouse, allowing users to interact declaratively with assets in object storage. Motivated…

数据库 · 计算机科学 2024-11-14 Jacopo Tagliabue , Ryan Curtin , Ciro Greco

In this paper we introduce Creek, a low-latency, eventually consistent replication scheme that also enables execution of strongly consistent operations (akin to ACID transactions). Operations can have arbitrary complex (but deterministic)…

分布式、并行与集群计算 · 计算机科学 2019-12-17 Tadeusz Kobus , Maciej Kokociński , Paweł T. Wojciechowski

State-of-the-art deep learning systems rely on iterative distributed training to tackle the increasing complexity of models and input data. The iteration time in these communication-heavy systems depends on the computation time,…

分布式、并行与集群计算 · 计算机科学 2018-10-05 Sayed Hadi Hashemi , Sangeetha Abdu Jyothi , Roy H. Campbell

GraphFlow is a visual workflow system designed to improve the reliability of agentic AI automation in multi-step, mission-critical processes. In these workflows, small errors compound rapidly: under an idealized model of independent steps,…

人工智能 · 计算机科学 2026-05-15 Drewry H. Morris , Luis Valles , Reza Hosseini Ghomi

Transactional memory (TM) is an inherently optimistic abstraction: it allows concurrent processes to execute sequences of shared-data accesses (transactions) speculatively, with an option of aborting them in the future. Early TM designs…

分布式、并行与集群计算 · 计算机科学 2016-03-07 Petr Kuznetsov , Srivatsan Ravi

Dataflow devices represent an avenue towards saving the control and data movement overhead of Load-Store Architectures. Various dataflow accelerators have been proposed, but how to efficiently schedule applications on such devices remains…

分布式、并行与集群计算 · 计算机科学 2023-06-06 Tiziano De Matteis , Lukas Gianinazzi , Johannes de Fine Licht , Torsten Hoefler

Spontaneous neural activity, crucial in memory, learning, and spatial navigation, often manifests itself as repetitive spatiotemporal patterns. Despite their importance, analyzing these patterns in large neural recordings remains…

信号处理 · 电气工程与系统科学 2024-05-15 Roman Koshkin , Tomoki Fukai

Diffusion models are a strong backbone for visual generation, but their inherently sequential denoising process leads to slow inference. Previous methods accelerate sampling by caching and reusing intermediate outputs based on feature…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Jiwoo Chung , Sangeek Hyun , MinKyu Lee , Byeongju Han , Geonho Cha , Dongyoon Wee , Youngjun Hong , Jae-Pil Heo

Reservoir computing is a recently introduced brain-inspired machine learning paradigm capable of excellent performances in the processing of empirical data. We focus in a particular kind of time-delay based reservoir computers that have…

动力系统 · 数学 2014-11-11 Lyudmila Grigoryeva , Julie Henriques , Laurent Larger , Juan-Pablo Ortega

We present a dataflow model for modelling parallel Unix shell pipelines. To accurately capture the semantics of complex Unix pipelines, the dataflow model is order-aware, i.e., the order in which a node in the dataflow graph consumes inputs…

编程语言 · 计算机科学 2021-07-07 Shivam Handa , Konstantinos Kallas , Nikos Vasilakis , Martin Rinard