Ring-based sharing fabric for efficient pipelining of kernel-stream on CGRA-based multi-core architecture
- Authors
- Kim H.; Sohn S.; Kim Y.
- Issue Date
- Apr-2014
- Publisher
- IEEE Computer Society
- Keywords
- Coarse-grained reconfigurable architecture (CGRA); Embedded systems; Kernel level parallelism (KLP); Multi-core
- Citation
- Proceedings - International Symposium on Quality Electronic Design, ISQED, pp 276 - 283
- Pages
- 8
- Journal Title
- Proceedings - International Symposium on Quality Electronic Design, ISQED
- Start Page
- 276
- End Page
- 283
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/6040
- DOI
- 10.1109/ISQED.2014.6783337
- ISSN
- 1948-3287
- 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 much energy and performance bottleneck when trying to exploit the KLP because of poor resource utilization caused by insufficient flexibility. In this work, we propose a new ring-based sharing fabric (RSF) to boost their flexibility level for the efficient resource utilization focusing on the kernel-stream type of the KLP. In addition, we 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 50.62 times and reduce power by up to 44.03% when compared with the conventional CGRA-based multi-core architectures. © 2014 IEEE.
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