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Spiking Neural Networks (SNNs) hold promise for energy-efficient, biologically inspired computing. We identify substantial informatio loss during spike transmission, linked to temporal dependencies in traditional Leaky Integrate-and-Fire…

Neural and Evolutionary Computing · Computer Science 2025-02-04 Guobin Shen , Jindong Li , Tenglong Li , Dongcheng Zhao , Yi Zeng

Scalable coherent control hardware for quantum information platforms is rapidly growing in priority as their number of available qubits continues to increase. As these systems scale, more calibration steps are needed, leading to challenges…

Quantum Physics · Physics 2022-08-01 Daniel Lobser , Jay Van Der Wall , Joshua Goldberg

Large language model (LLM) decoding suffers from high latency due to fragmented execution across operators and heavy reliance on off-chip memory for data exchange and reduction. This execution model limits opportunities for fusion and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-27 Xinhao Luo , Zihan Liu , Yangjie Zhou , Shihan Fang , Ziyu Huang , Yu Feng , Chen Zhang , Shixuan Sun , Zhenzhe Zheng , Jingwen Leng , Minyi Guo

On-chip communication infrastructure is a central component of modern systems-on-chip (SoCs), and it continues to gain importance as the number of cores, the heterogeneity of components, and the on-chip and off-chip bandwidth continue to…

Hardware Architecture · Computer Science 2021-11-12 Andreas Kurth , Wolfgang Rönninger , Thomas Benz , Matheus Cavalcante , Fabian Schuiki , Florian Zaruba , Luca Benini

The scaling of computation throughput continues to outpace improvements in memory bandwidth, making many deep learning workloads memory-bound. Kernel fusion is a key technique to alleviate this problem, but the fusion strategies of existing…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-16 Ziyu Huang , Yangjie Zhou , Zihan Liu , Xinhao Luo , Yijia Diao , Minyi Guo , Jidong Zhai , Yu Feng , Chen Zhang , Anbang Wu , Jingwen Leng

We introduce Mirage Persistent Kernel (MPK), the first compiler and runtime system that automatically transforms multi-GPU model inference into a single high-performance megakernel. MPK introduces an SM-level graph representation that…

We present Cyqlone, a solver for linear systems with a stage-wise optimal control structure that fully exploits the various levels of parallelism available in modern hardware. Cyqlone unifies algorithms based on the sequential Riccati…

Optimization and Control · Mathematics 2026-03-16 Pieter Pas , Panagiotis Patrinos

We propose XPipe, an efficient asynchronous pipeline model parallelism approach for multi-GPU DNN training. XPipe is designed to use multiple GPUs to concurrently and continuously train different parts of a DNN model. To improve GPU…

Machine Learning · Computer Science 2020-11-10 Lei Guan , Wotao Yin , Dongsheng Li , Xicheng Lu

Medical image processing is often limited by the computational cost of the involved algorithms. Whereas dedicated computing devices (GPUs in particular) exist and do provide significant efficiency boosts, they have an extra cost of use in…

Large language models (LLMs) have achieved remarkable performance across a wide range of tasks, but their inference efficiency remains a critical bottleneck due to rapidly growing parameters. Recent advances in dynamic computation…

Hardware Architecture · Computer Science 2026-03-17 Zicheng He , Anhao Zhao , Xiaoyu Shen , Chen Wu , Lei He

Distributed data processing systems have advanced through models that expose more and more opportunities for concurrency within a computation. The scheduling of these increasingly sophisticated models has become the bottleneck for improved…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-13 Andrea Lattuada , Frank McSherry

We propose an algorithm that aims at minimizing the inter-node communication volume for distributed and memory-efficient tensor contraction schemes on modern multi-core compute nodes. The key idea is to define processor grids that optimize…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-19 Andreas Irmler , Raghavendra Kanakagiri , Sebastian T. Ohlmann , Edgar Solomonik , Andreas Grüneis

As both ML training and inference are increasingly distributed, parallelization techniques that shard (divide) ML model across GPUs of a distributed system, are often deployed. With such techniques, there is a high prevalence of…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-12 Shagnik Pal , Shaizeen Aga , Suchita Pati , Mahzabeen Islam , Lizy K. John

GPUs have been widely used to accelerate computations exhibiting simple patterns of parallelism - such as flat or two-level parallelism - and a degree of parallelism that can be statically determined based on the size of the input dataset.…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-11-18 Hancheng Wu , Da Li , Michela Becchi

Graph analytics techniques based on spectral methods process extremely large sparse matrices with millions or even billions of non-zero values. Behind these algorithms lies the Top-K sparse eigenproblem, the computation of the largest…

Hardware Architecture · Computer Science 2022-01-20 Francesco Sgherzi , Alberto Parravicini , Marco Domenico Santambrogio

Deploying deep neural networks on mobile devices is increasingly important but remains challenging due to limited computing resources. On the other hand, their unified memory architecture and narrower gap between CPU and GPU performance…

Machine Learning · Computer Science 2026-02-20 Zhuojin Li , Marco Paolieri , Leana Golubchik

Custom CUDA kernel development is essential for maximizing GPU utilization in large-scale distributed LLM training and inference, yet manually writing kernels that jointly leverage both computation and communication remains a…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-04 Bodun Hu , Yoga Sri Varshan , Saurabh Agarwal , Aditya Akella

Just as classical computing relies on distributed systems, the quantum computing era requires new kinds of infrastructure and software tools. Quantum networks will become the backbone of hybrid, quantum-augmented data centers, in which…

GPU-aware collective communication has become a major bottleneck for modern computing platforms as GPU computing power rapidly rises. A traditional approach is to directly integrate lossy compression into GPU-aware collectives, which can…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-08 Jiajun Huang , Sheng Di , Xiaodong Yu , Yujia Zhai , Jinyang Liu , Yafan Huang , Ken Raffenetti , Hui Zhou , Kai Zhao , Xiaoyi Lu , Zizhong Chen , Franck Cappello , Yanfei Guo , Rajeev Thakur

Multicore parallel programming has some very difficult problems such as deadlocks during synchronizations and race conditions brought by concurrency. Added to the difficulty is the lack of a simple, well-accepted computing model for…

Programming Languages · Computer Science 2010-12-09 Yibing Wang