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Multi-pod systolic arrays are emerging as the architecture of choice in DNN inference accelerators. Despite their potential, designing multi-pod systolic arrays to maximize effective throughput/Watt (i.e., throughput/Watt adjusted when…

Hardware Architecture · Computer Science 2022-03-23 Ahmet Caner Yüzügüler , Canberk Sönmez , Mario Drumond , Yunho Oh , Babak Falsafi , Pascal Frossard

Leveraging high degrees of unstructured sparsity is a promising approach to enhance the efficiency of deep neural network DNN accelerators - particularly important for emerging Edge-AI applications. We introduce VUSA, a systolic-array…

Hardware Architecture · Computer Science 2025-06-03 Shereef Helal , Alberto Garcia-Ortiz , Lennart Bamberg

The substantial memory demands of pre-training and fine-tuning large language models (LLMs) require memory-efficient optimization algorithms. One promising approach is layer-wise optimization, which treats each transformer block as a single…

Machine Learning · Computer Science 2026-01-15 Yuxi Liu , Renjia Deng , Yutong He , Xue Wang , Tao Yao , Kun Yuan

Large Language Model (LLM) inference requires substantial computational resources, yet CPU-based inference remains essential for democratizing AI due to the widespread availability of CPUs compared to specialized accelerators. However,…

Hardware Architecture · Computer Science 2025-10-01 Jingyao Zhang , Jaewoo Park , Jongeun Lee , Elaheh Sadredini

Sparse generalized matrix-matrix multiplication (SpGEMM) is a fundamental operation for real-world network analysis. With the increasing size of real-world networks, the single-machine-based SpGEMM approach cannot perform SpGEMM on…

Data Structures and Algorithms · Computer Science 2023-08-29 Myung-Hwan Jang , Yunyong Ko , Hyuck-Moo Gwon , Ikhyeon Jo , Yongjun Park , Sang-Wook Kim

Structured sparsity enables deploying large language models (LLMs) on resource-constrained systems. Approaches like dense-to-sparse fine-tuning are particularly compelling, achieving remarkable structured sparsity by reducing the model size…

Hardware Architecture · Computer Science 2025-10-14 João Paulo Cardoso de Lima , Marc Dietrich , Jeronimo Castrillon , Asif Ali Khan

To alleviate the memory bandwidth bottleneck in Large Language Model (LLM) inference workloads, weight matrices are stored in memory in quantized and sparsified formats. Hence, before tiles of these matrices can be processed by in-core…

Hardware Architecture · Computer Science 2025-08-11 Gerasimos Gerogiannis , Stijn Eyerman , Evangelos Georganas , Wim Heirman , Josep Torrellas

Recent advances in CV and NLP have been largely driven by scaling up the number of network parameters, despite traditional theories suggesting that larger networks are prone to overfitting. These large networks avoid overfitting by…

Transformers are gaining increasing attention across Natural Language Processing (NLP) application domains due to their outstanding accuracy. However, these data-intensive models add significant performance demands to the existing computing…

Hardware Architecture · Computer Science 2025-08-07 Ahmed J. Abdelmaksoud , Shady Agwa , Themis Prodromakis

To improve the efficiency of distributed large language model (LLM) inference, various parallelization strategies, such as tensor and pipeline parallelism, have been proposed. However, the distinct computational characteristics inherent in…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-11 Qidong Su , Wei Zhao , Xin Li , Muralidhar Andoorveedu , Chenhao Jiang , Zhanda Zhu , Kevin Song , Christina Giannoula , Gennady Pekhimenko

The paper discusses how Systolic Arrays can improve matrix multiplication for deep neural networks (DNNs). With AI models like OpenAI's GPT now containing trillions of parameters, the need for efficient matrix multiplication is more…

Hardware Architecture · Computer Science 2024-10-31 Tejas Raja

General matrix-matrix multiplication (GEMM) is a fundamental operation in machine learning (ML) applications. We present the first comprehensive performance acceleration of GEMM workloads on AMD's second-generation AIE-ML (AIE2)…

Hardware Architecture · Computer Science 2025-09-01 Kaustubh Mhatre , Endri Taka , Aman Arora

We explore an ensembled $\Sigma$-net for fast parallel MR imaging, including parallel coil networks, which perform implicit coil weighting, and sensitivity networks, involving explicit sensitivity maps. The networks in $\Sigma$-net are…

Image and Video Processing · Electrical Eng. & Systems 2019-12-12 Jo Schlemper , Chen Qin , Jinming Duan , Ronald M. Summers , Kerstin Hammernik

Stencil computation is one of the fundamental computing patterns in many application domains such as scientific computing and image processing. While there are promising studies that accelerate stencils on FPGAs, there lacks an automated…

Hardware Architecture · Computer Science 2022-08-24 Xingyu Tian , Zhifan Ye , Alec Lu , Licheng Guo , Yuze Chi , Zhenman Fang

Deep Neural Networks (DNNs) require highly efficient matrix multiplication engines for complex computations. This paper presents a systolic array architecture incorporating novel exact and approximate processing elements (PEs), designed…

Hardware Architecture · Computer Science 2026-03-24 Pragun Jaswal , L. Hemanth Krishna , B. Srinivasu

Meeting growing demands for low latency and cost efficiency in production-grade large language model (LLM) serving systems requires integrating advanced optimization techniques. However, dynamic and unpredictable input-output lengths of…

Artificial Intelligence · Computer Science 2024-12-30 Mingcong Song , Xinru Tang , Fengfan Hou , Jing Li , Wei Wei , Yipeng Ma , Runqiu Xiao , Hongjie Si , Dingcheng Jiang , Shouyi Yin , Yang Hu , Guoping Long

Large language models (LLMs) have demonstrated outstanding performance in various tasks, such as text summarization, text question-answering, and etc. While their performance is impressive, the computational footprint due to their vast…

Machine Learning · Computer Science 2024-04-22 Peng Xu , Wenqi Shao , Mengzhao Chen , Shitao Tang , Kaipeng Zhang , Peng Gao , Fengwei An , Yu Qiao , Ping Luo

Reinforcement learning (RL) has been pivotal in enhancing the reasoning capabilities of large language models (LLMs), but it often suffers from limited exploration and entropy collapse, where models exploit a narrow set of solutions,…

Machine Learning · Computer Science 2025-10-20 Shijia Kang , Muhan Zhang

Artificial Intelligence (AI) algorithms, such as Deep Neural Networks (DNNs), have become an important tool for a wide range of applications, from computer vision to natural language processing. However, the computational complexity of DNN…

The efficiency of large language models (LLMs) remains a critical challenge, particularly in contexts where computational resources are limited. Traditional attention mechanisms in these models, while powerful, require significant…

Computation and Language · Computer Science 2024-07-19 Bingli Liao , Danilo Vasconcellos Vargas