GHVSA:基于图的高维矢量搜索加速器

IF 3.7 2区 计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
Wei Yuan, Huawen Liang, Xi Jin
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引用次数: 0

摘要

基于图的高维向量搜索是最常用的检索方法,性能最好。然而,在工业应用中实现基于图的高维矢量搜索需要减少冗余计算、高精度和低延迟,这是现有工作无法提供的。我们提出了基于图的向量搜索架构GHVSA,通过缩小向量搜索的范围(约占整个数据集的0.5%),避免冗余计算(距离计算阶段超过50%,排序阶段超过90%)和数据重用,实现了低片上内存占用和高能效。对三个数据集的广泛评估表明,GHVSA的能效平均分别比cpu、gpu、DF-GAS和租户高609.07倍、53.6倍、5.16倍和6.06倍。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
GHVSA: Graph-based high-dimensional vector search accelerator
Graph-based high-dimensional vector search is the most common method for retrieval and achieves the best performance. However, implementing graph-based high-dimensional vector search in industrial applications requires reduced redundant computation, high accuracy, and low latency, which existing works fail to provide. We propose GHVSA, a graph-based vector search architecture that achieves low on-chip memory footprint and high energy efficiency by narrowing down the scope of vector search (about 0.5% of the entire dataset), avoiding redundant computation(more than 50% in the distance computation phase and more than 90% in the sorting phase) and data reuse. Extensive evaluations on three datasets show that GHVSA achieves an average of 609.07×, 53.6×, 5.16×, and 6.06× better energy efficiency than CPUs, GPUs, DF-GAS, and VStore, respectively.
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来源期刊
Journal of Systems Architecture
Journal of Systems Architecture 工程技术-计算机:硬件
CiteScore
8.70
自引率
15.60%
发文量
226
审稿时长
46 days
期刊介绍: The Journal of Systems Architecture: Embedded Software Design (JSA) is a journal covering all design and architectural aspects related to embedded systems and software. It ranges from the microarchitecture level via the system software level up to the application-specific architecture level. Aspects such as real-time systems, operating systems, FPGA programming, programming languages, communications (limited to analysis and the software stack), mobile systems, parallel and distributed architectures as well as additional subjects in the computer and system architecture area will fall within the scope of this journal. Technology will not be a main focus, but its use and relevance to particular designs will be. Case studies are welcome but must contribute more than just a design for a particular piece of software. Design automation of such systems including methodologies, techniques and tools for their design as well as novel designs of software components fall within the scope of this journal. Novel applications that use embedded systems are also central in this journal. While hardware is not a part of this journal hardware/software co-design methods that consider interplay between software and hardware components with and emphasis on software are also relevant here.
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