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Prompt-based Continual Learning (PCL) has gained considerable attention as a promising continual learning solution as it achieves state-of-the-art performance while preventing privacy violation and memory overhead issues. Nonetheless,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Youngeun Kim , Yuhang Li , Priyadarshini Panda

PCIe-connected FPGAs are gaining popularity as an accelerator technology in data centers. However, it is challenging to jointly develop and debug host software and FPGA hardware. Changes to the hardware design require a time-consuming FPGA…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-28 Shenghsun Cho , Mrunal Patel , Basavaraj Kaladagi , Han Chen , Tapti Palit , Michael Ferdman , Peter Milder

Differing from synchronous generators, there are lack of physical laws governing the synchronization dynamics of voltage-source converters (VSCs). The widely used phase-locked loop (PLL) plays a critical role in maintaining the synchronism…

Systems and Control · Computer Science 2019-09-04 Heng Wu , Xiongfei Wang

Datacenter applications often rely on remote procedure calls (RPCs) for fast, efficient, and secure communication. However, RPCs are slow, inefficient, and hard to use as they require expensive serialization and compression to communicate…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-22 Suyash Mahar , Ehsan Hajyjasini , Seungjin Lee , Zifeng Zhang , Mingyao Shen , Steven Swanson

We demonstrated LUT-assisted CDR and equalization for burst-mode 50-100 Gbit/s bandwidth-limited PON, achieving signal recovery under large 100 ppm frequency offsets and 0.5 UI phase mismatch using reduced 50ns preambles, with 0.3dB…

Signal Processing · Electrical Eng. & Systems 2025-02-17 Yanlu Huang , Liyan Wu , Shangya Han , Kai Jin , Kun Xu , Yanni Ou

Programmable photonic integrated circuits (PICs), offering diverse signal processing functions within a single chip, are promising solutions for applications ranging from optical communications to artificial intelligence. While the scale…

The proliferation of data-intensive applications, ranging from large language models to key-value stores, increasingly stresses memory systems with mixed read-write access patterns. Traditional half-duplex architectures such as DDR5 are…

Operating Systems · Computer Science 2025-08-25 Yiwei Yang , Yusheng Zheng , Yiqi Chen , Zheng Liang , Kexin Chu , Zhe Zhou , Andi Quinn , Wei Zhang

This letter proposes a new design of frequency-locked loop (FLL) which is based on synchronous (dq) reference frame instead of stationary ({\alpha}\b{eta}) reference frame. First, a synchronous reference frame FLL (briefly called SRF-FLL0)…

Systems and Control · Electrical Eng. & Systems 2019-09-27 Xiangjun Quan , Qinran Hu , Alex Q. Huang , Xiaobo Dou , Zaijun Wu

While Compute Express Link (CXL) enables support for cache-coherent shared memory among multiple nodes, it also introduces new types of failures--processes can fail before data does, or data might fail before a process does. The lack of a…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-18 Yi Xu , Suyash Mahar , Ziheng Liu , Mingyao Shen , Steven Swanson

When MPI-parallel simulations run on shared Kubernetes clusters, conventional CPU scheduling leaves the vast majority of provisioned cycles idle at synchronization barriers. This paper presents a multiplexing framework that reclaims this…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-02 Tianfang Xie

This paper presents a novel IP design for real-time fault/error detection and recovery on a peripheral component interconnect express (PCIe) which interfaces a host system (here a PC) to a slave design including processing system and memory…

Signal Processing · Electrical Eng. & Systems 2021-05-13 Mostafa Darvishi

The use of disaggregated or far memory systems such as CXL memory pools has renewed interest in Near-Data Processing (NDP): situating cores close to memory to reduce bandwidth requirements to and from the CPU. Hardware designs for such…

Operating Systems · Computer Science 2026-04-21 Zikai Liu , Niels Pressel , Jasmin Schult , Roman Meier , Pengcheng Xu , Timothy Roscoe

Scientific applications produce vast amounts of data, posing grand challenges in the underlying data management and analytic tasks. Progressive compression is a promising way to address this problem, as it allows for on-demand data…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-02 Yanliang Li , Wenbo Li , Qian Gong , Qing Liu , Norbert Podhorszki , Scott Klasky , Xin Liang , Jieyang Chen

Phase-change memory (PCM) is a scalable and low latency non-volatile memory (NVM) technology that has been proposed to serve as storage class memory (SCM), providing low access latency similar to DRAM and often approaching or exceeding the…

Hardware Architecture · Computer Science 2020-12-01 Shihao Song , Anup Das

Existing sub-/super-synchronous (SSO) suppression methods for the direct-drive permanent magnet synchronous generators (D-PMSG) integrated power systems are mainly achieved by external devices or sub-synchronous resonance damping controller…

Systems and Control · Electrical Eng. & Systems 2026-04-03 Songhao Yang , Ruixin Shen , Jin Shu , Tao Zhang , Yujun Li , Baohui Zhang , Zhiguo Hao

Modern very large-scale integration (VLSI) design requires the implementation of integrated circuits using electronic design automation (EDA) tools. Due to the complexity of EDA algorithms, the vast parameter space poses a huge challenge to…

Machine Learning · Computer Science 2025-08-25 Jingyu Pan , Isaac Jacobson , Zheng Zhao , Tung-Chieh Chen , Guanglei Zhou , Chen-Chia Chang , Vineet Rashingkar , Yiran Chen

This paper presents the Parallel Coupler for Multimodel Simulations (PCMS), a new GPU accelerated generalized coupling framework for coupling simulation codes on leadership class supercomputers. PCMS includes distributed control and field…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-22 Jacob S. Merson , Cameron W. Smith , Mark S. Shephard , Fuad Hasan , Abhiyan Paudel , Angel Castillo-Crooke , Joyal Mathew , Mohammad Elahi

Phase-shifted carrier pulse-width modulation (PSC-PWM) is a widely adopted scheduling algorithm in cascaded bridge converters, modular multilevel converters, and reconfigurable batteries. However, non-uniformed pulse widths for the modules…

Systems and Control · Electrical Eng. & Systems 2025-11-07 Amin Hashemi-Zadeh , Nima Tashakor , Sandun Hettiarachchi , Stefan Goetz

Modern distributed ML suffers from a fundamental gap between the theoretical and realized performance of collective communication algorithms due to congestion and hop-count induced dilation in practical GPU clusters. We present PCCL, a…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-22 Abhishek Vijaya Kumar , Arjun Devraj , Rachee Singh

Hardware based memory pooling enabled by interconnect standards like CXL have been gaining popularity amongst cloud providers and system integrators. While pooling memory resources has cost benefits, it comes at a penalty of increased…

Hardware Architecture · Computer Science 2024-06-24 Chandrahas Tirumalasetty , Narasimha Annapreddy