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Inter-coarse-grained reconfigurable architecture reconfiguration technique for efficient pipelining of kernel-stream on coarse-grained reconfigurable architecture-based multi-core architecture

Authors
Kim, YoonjinJoo, HyejinYoon, Sohyun
Issue Date
Jul-2016
Publisher
INST ENGINEERING TECHNOLOGY-IET
Keywords
reconfigurable architectures; pipeline processing; multiprocessing systems; power consumption; inter-coarse-grained reconfigurable architecture; efficient pipelining; kernel stream; multicore architecture; kernel-level parallelism; energy consumption; performance bottleneck; resource utilisation; ring-based sharing fabric
Citation
IET CIRCUITS DEVICES & SYSTEMS, v.10, no.4, pp.251 - 265
Journal Title
IET CIRCUITS DEVICES & SYSTEMS
Volume
10
Number
4
Start Page
251
End Page
265
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/3349
DOI
10.1049/iet-cds.2015.0047
ISSN
1751-858X
Abstract
Coarse-grained reconfigurable architecture (CGRA)-based multi-core architecture aims at achieving high performance by kernel-level parallelism (KLP). However, the existing CGRA-based multi-core architectures suffer from high energy consumption and performance bottleneck when trying to exploit the KLP because of poor resource utilisation caused by insufficient flexibility. In this study, the authors propose a new ring-based sharing fabric (RSF) to boost their flexibility level for the efficient resource utilisation focusing on the kernel-stream type of the KLP. In addition, they introduce a novel inter-CGRA reconfiguration technique for the efficient pipelining of kernel-stream based on the RSF. Experimental results show that the proposed approaches improve performance by up to 88.8% and reduce energy by up to 48.2% when compared with the conventional CGRA-based multi-core architectures.
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공과대학 (소프트웨어학부)
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