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Today, one of the main challenges for high-performance computing systems is to improve their performance by keeping energy consumption at acceptable levels. In this context, a consolidated strategy consists of using accelerators such as…

分布式、并行与集群计算 · 计算机科学 2021-05-18 Manuel Costanzo , Enzo Rucci , Ulises Costi , Franco Chichizola , Marcelo Naiouf

Designing for manufacturing poses significant challenges in part due to the computation bottleneck of Computer-Aided Manufacturing (CAM) simulations. Although deep learning as an alternative offers fast inference, its performance is…

机器学习 · 计算机科学 2024-06-19 Yu-hsuan Chen , Jonathan Cagan , Levent Burak kara

The recent introduction of vector coded caching has revealed that multi-rank transmissions in the presence of receiver-side cache content can dramatically ameliorate the file-size bottleneck of coded caching and substantially boost…

信息论 · 计算机科学 2022-02-16 Hui Zhao , Antonio Bazco-Nogueras , Petros Elia

Spiking Neural Networks (SNNs) have a low-power advantage but perform poorly in image segmentation tasks. The reason is that directly converting neural networks with complex architectural designs for segmentation tasks into spiking versions…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Zhenxin Lei , Man Yao , Jiakui Hu , Xinhao Luo , Yanye Lu , Bo Xu , Guoqi Li

In high-dimensional vector spaces, Approximate Nearest Neighbor Search (ANNS) is a key component in database and artificial intelligence infrastructures. Graph-based methods, particularly HNSW, have emerged as leading solutions among…

数据库 · 计算机科学 2025-02-26 Mengzhao Wang , Haotian Wu , Xiangyu Ke , Yunjun Gao , Yifan Zhu , Wenchao Zhou

Learned image compression has achieved extraordinary rate-distortion performance in PSNR and MS-SSIM compared to traditional methods. However, it suffers from intensive computation, which is intolerable for real-world applications and leads…

图像与视频处理 · 电气工程与系统科学 2022-08-01 Hongjiu Yu , Qiancheng Sun , Jin Hu , Xingyuan Xue , Jixiang Luo , Dailan He , Yilong Li , Pengbo Wang , Yuanyuan Wang , Yaxu Dai , Yan Wang , Hongwei Qin

SGD and AdamW are the two most used optimizers for fine-tuning large neural networks in computer vision. When the two methods perform the same, SGD is preferable because it uses less memory (12 bytes/parameter with momentum and 8…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Ananya Kumar , Ruoqi Shen , Sebastien Bubeck , Suriya Gunasekar

This paper shows how to reduce the computational cost for a variety of common machine vision tasks by operating directly in the compressed domain, particularly in the context of hardware acceleration. Pyramid Vector Quantization (PVQ) is…

计算机视觉与模式识别 · 计算机科学 2016-03-31 Vincenzo Liguori

Vector processor architectures offer an efficient solution for accelerating data-parallel workloads (e.g., ML, AI), reducing instruction count, and enhancing processing efficiency. This is evidenced by the increasing adoption of vector…

硬件体系结构 · 计算机科学 2025-04-15 Matteo Perotti , Vincenzo Maisto , Moritz Imfeld , Nils Wistoff , Alessandro Cilardo , Luca Benini

Approximate nearest neighbor search (ANNS) is a fundamental problem in vector databases and AI infrastructures. Recent graph-based ANNS algorithms have achieved high search accuracy with practical efficiency. Despite the advancements, these…

The sparse matrix/vector product (SpMV) is a fundamental operation in scientific computing. Having access to an efficient SpMV implementation is therefore critical, if not mandatory, to solve challenging numerical problems. The ARM-based…

分布式、并行与集群计算 · 计算机科学 2023-07-28 Evann Regnault , Berenger Bramas

Spiking neural networks (SNNs) that enable low-power design on edge devices have recently attracted significant research. However, the temporal characteristic of SNNs causes high latency, high bandwidth and high energy consumption for the…

硬件体系结构 · 计算机科学 2022-05-05 Hong-Han Lien , Chung-Wei Hsu , Tian-Sheuan Chang

Modern microprocessors are equipped with Single Instruction Multiple Data (SIMD) or vector instructions which expose data level parallelism at a fine granularity. Programmers exploit this parallelism by using low-level vector intrinsics in…

编程语言 · 计算机科学 2019-02-11 Charith Mendis , Ajay Jain , Paras Jain , Saman Amarasinghe

Second-order optimization methods, which leverage curvature information, offer faster and more stable convergence than first-order methods such as stochastic gradient descent (SGD) and Adam. However, their practical adoption is hindered by…

新兴技术 · 计算机科学 2025-12-08 Saitao Zhang , Yubiao Luo , Shiqing Wang , Pushen Zuo , Yongxiang Li , Lunshuai Pan , Zheng Miao , Zhong Sun

Vectorization is a compiler optimization that replaces multiple operations on scalar values with a single operation on vector values. Although common in traditional compilers such as rustc, clang, and gcc, vectorization is not common in the…

Memory accounts for a considerable portion of the total power budget and area of digital systems. Furthermore, it is typically the performance bottleneck of the processing units. Therefore, it is critical to optimize the memory with respect…

硬件体系结构 · 计算机科学 2019-02-04 Ghasem Pasandi , Raghav Mehta , Massoud Pedram , Shahin Nazarian

In this paper we propose the use of quantum genetic algorithm to optimize the support vector machine (SVM) for human action recognition. The Microsoft Kinect sensor can be used for skeleton tracking, which provides the joints' position…

机器学习 · 统计学 2017-12-18 Yafeng Liu , Shimin Feng , Zhikai Zhao , Enjie Ding

Nowadays, data is represented by vectors. Retrieving those vectors, among millions and billions, that are similar to a given query is a ubiquitous problem, known as similarity search, of relevance for a wide range of applications.…

机器学习 · 计算机科学 2023-07-26 Cecilia Aguerrebere , Ishwar Bhati , Mark Hildebrand , Mariano Tepper , Ted Willke

This paper satisfies the reproducibility challenge of the Student Cluster Competition at Supercomputing 2017. We attempted to reproduce the results of H\"{o}hnerbach et al. (2016) for an implementation of a vectorized code for the Tersoff…

分布式、并行与集群计算 · 计算机科学 2018-08-22 James Sullivan , Collin Weir , Austin Reichert , R. Todd Evans , W. Cyrus Proctor , Nicolas Thorne

Large language models (LLMs) exhibit memory-intensive behavior during decoding, making it a key bottleneck in LLM inference. To accelerate decoding execution, hybrid-bonding-based 3D-DRAM has been adopted in LLM accelerators. While this…

硬件体系结构 · 计算机科学 2026-04-10 Cong Li , Chenhao Xue , Yi Ren , Xiping Dong , Yu Cheng , Yinbo Hu , Fujun Bai , Yixin Guo , Xiping Jiang , Qiang Wu , Zhi Yang , Zhe Cheng , Yuan Xie , Guangyu Sun