Advancing supercomputer performance through interconnection topology synthesis
Yi Zhu
Taylor, M.
Baden, S.B.
Cheng, C.-K.
Dept. of Comput. Sci. & Eng., Univ. of California, San Diego, CA;
This paper appears in: Computer-Aided Design, 2008. ICCAD 2008. IEEE/ACM International Conference on
Publication Date: 10-13 Nov. 2008
On page(s): 555-558
Location: San Jose, CA,
ISSN: 1092-3152
ISBN: 978-1-4244-2819-9
INSPEC Accession Number: 10394961
Digital Object Identifier: 10.1109/ICCAD.2008.4681630
Current Version Published: 2008-11-18
Abstract
In todaypsilas many-core era, the interconnection networks have been the key factor that dominates the performance of a computer system. In this paper, we propose a design flow to discover the best topology in terms of the communication latency and physical constraints. First a set of representative candidate topologies are generated for the interconnection networks among computing chips; then an efficient multi-commodity flow algorithm is devised to evaluate the performance. The experiments show that the best topologies identified by our algorithm can achieve better average latency compared to the existing networks.
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