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High availability has always been one of the main problems for a data center. Till now high availability was achieved by host per host redundancy, a highly expensive method in terms of hardware and human costs. A new approach to the problem…

系统与控制 · 计算机科学 2012-05-03 Federico Calzolari , Silvia Arezzini , Alberto Ciampa , Enrico Mazzoni , Andrea Domenici , Gigliola Vaglini

Supercomputing systems today often come in the form of large numbers of commodity systems linked together into a computing cluster. These systems, like any distributed system, can have large numbers of independent hardware components…

分布式、并行与集群计算 · 计算机科学 2007-05-23 Michael Treaster

RISC-V is a RISC based open and loyalty free instruction set architecture which has been developed since 2010, and can be used for cost-effective soft processors on FPGAs. The basic 32-bit integer instruction set in RISC-V is defined as…

硬件体系结构 · 计算机科学 2020-12-30 Hiromu Miyazaki , Takuto Kanamori , Md Ashraful Islam , Kenji Kise

Distributed data storage systems are essential to deal with the need to store massive volumes of data. In order to make such a system fault-tolerant, some form of redundancy becomes crucial, incurring various overheads - most prominently in…

分布式、并行与集群计算 · 计算机科学 2011-12-25 Frederique Oggier , Anwitaman Datta

3D detailed radiative transfer is computationally taxing, since the solution of the radiative transfer equation involves traversing the six dimensional phase space of the 3D domain. With modern supercomputers the hardware available for…

太阳与恒星天体物理 · 物理学 2021-02-05 Peter H. Hauschildt , E. Baron

This paper proposes a novel higher-order multi-scale (HOMS) computational method, which is highly targeted for efficient, high-accuracy and low-computational-cost simulation of hygro-thermo-mechanical (H-T-M) coupling problems in…

数值分析 · 数学 2025-12-11 Hao Dong , Yifei Ding , Jiale Linghu , Yufeng Nie , Yaochuang Han

MareNostrum5 is a pre-exascale supercomputer at the Barcelona Supercomputing Center (BSC), part of the EuroHPC Joint Undertaking. With a peak performance of 314 petaflops, MareNostrum5 features a hybrid architecture comprising Intel…

Multi-Image Super-Resolution (MISR) is a crucial yet challenging research task in the remote sensing community. In this paper, we address the challenging task of Multi-Image Super-Resolution in Remote Sensing (MISR-RS), aiming to generate a…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Zhihui Zhang , Jinhui Pang , Jianan Li , Xiaoshuai Hao

Rollout-training disaggregation is emerging as the standard architecture for Reinforcement Learning (RL) post-training, where memory-bound rollout and compute-bound training are physically disaggregated onto purpose-built clusters to…

分布式、并行与集群计算 · 计算机科学 2025-12-16 Tianyuan Wu , Lunxi Cao , Yining Wei , Wei Gao , Yuheng Zhao , Dakai An , Shaopan Xiong , Zhiqiang Lv , Ju Huang , Siran Yang , Yinghao Yu , Jiamang Wang , Lin Qu , Wei Wang

Today, there are a plethora of In-Memory Computing (IMC) devices- SRAMs, PCMs & FeFETs, that emulate convolutions on crossbar-arrays with high throughput. Each IMC device offers its own pros & cons during inference of Deep Neural Networks…

新兴技术 · 计算机科学 2023-10-25 Abhiroop Bhattacharjee , Abhishek Moitra , Priyadarshini Panda

RISC-V CPUs leverage the RVV (RISC-V Vector) extension to accelerate data-parallel workloads. In addition to arithmetic operations, RVV includes powerful permutation instructions that enable flexible element rearrangement within vector…

硬件体系结构 · 计算机科学 2025-06-02 Vasileios Titopoulos , George Alexakis , Chrysostomos Nicopoulos , Giorgos Dimitrakopoulos

Hybrid microgrids integrating Grid-Following (GFL) and Grid-Forming (GFM) inverters present complex control challenges arising from the decoupling between long-term economic dispatch and real-time dynamic regulation, as well as the distinct…

系统与控制 · 电气工程与系统科学 2026-01-21 Lifu Ding , Chunhui Hou , Yutong Li , Qinmin Yang

Runahead execution is a technique to mask memory latency caused by irregular memory accesses. By pre-executing the application code during occurrences of long-latency operations and prefetching anticipated cache-missed data into the cache…

硬件体系结构 · 计算机科学 2025-04-03 Dean You , Jieyu Jiang , Xiaoxuan Wang , Yushu Du , Zhihang Tan , Wenbo Xu , Hui Wang , Jiapeng Guan , Zhenyuan Wang , Ran Wei , Shuai Zhao , Zhe Jiang

Scientific research increasingly depends on robust and scalable IT infrastructures to support complex computational workflows. With the proliferation of services provided by research infrastructures, NRENs, and commercial cloud providers,…

The field of edge computing has witnessed remarkable growth owing to the increasing demand for real-time processing of data in applications. However, challenges persist due to limitations in performance and power consumption. To overcome…

This paper presents a novel heuristic deep reinforcement learning (HDRL) framework designed to optimize reconfigurable intelligent surface (RIS) phase shifts in secure satellite communication systems utilizing rate splitting multiple access…

信号处理 · 电气工程与系统科学 2025-01-22 Tingnan Bao , Melike Erol-Kantarci

As the demand of real time computing increases day by day, there is a major paradigm shift in processing platform of real time system from single core to multi-core platform which provides advantages like higher throughput, linear power…

分布式、并行与集群计算 · 计算机科学 2021-12-30 Girish Talmale , Urmila Shrawankar

Main memories play an important role in overall energy consumption of embedded systems. Using conventional memory technologies in future designs in nanoscale era causes a drastic increase in leakage power consumption and temperature-related…

硬件体系结构 · 计算机科学 2019-12-16 Salman Onsori , Arghavan Asad , Kaamran Raahemifar , Mahmood Fathy

Recent hardware acceleration advances have enabled powerful specialized accelerators for finite element computations, spiking neural network inference, and sparse tensor operations. However, existing approaches face fundamental limitations:…

硬件体系结构 · 计算机科学 2026-01-09 Chuanzhen Wang , Leo Zhang , Eric Liu

Deep learning hardware designs have been bottlenecked by conventional memories such as SRAM due to density, leakage and parallel computing challenges. Resistive devices can address the density and volatility issues, but have been limited by…

新兴技术 · 计算机科学 2020-10-28 Shihui Yin , Xiaoyu Sun , Shimeng Yu , Jae-sun Seo