NDLI: Scalable crossbar network: a non-blocking interconnection network for large-scale systems

Content Provider	Springer Nature Link
Author	Bistouni, Fathollah Jahanshahi, Mohsen
Copyright Year	2014
Abstract	Interconnection networks (INs) are used in wide applications of multi-processor systems in order to set up connections between various nodes such as processors and memory modules. However, there is a fundamental problem in INs that has always been considered as one of the most challenging issues in this area. Blocking problem in these networks degrades network performance and consequently the performance of the whole system. In the meantime, the main option for dealing with this problem is the use of non-blocking crossbar networks. However, there are engineering and scaling difficulties when using these networks in large-scale systems. The number of pins on a VLSI chip cannot exceed a few hundreds, which restricts the size of the largest crossbar that should be integrated into a single VLSI chip. Using the idea of multistage implementation of crossbar network can resolve the problem. However, the next problem that arises with this idea is high hardware cost. Therefore, in this paper, a new implementation of crossbar network named scalable crossbar network (SCN) that is a non-blocking network is presented to cope with the aforementioned scaling problems. In addition, performance analysis results show that SCN outperforms multistage crossbar networks and multistage interconnection networks in terms of terminal reliability, mean time to failure, and system failure rate.
Starting Page	697
Ending Page	728
Page Count	32
File Format	PDF
ISSN	09208542
Journal	The Journal of Supercomputing
Volume Number	71
Issue Number	2
e-ISSN	15730484
Language	English
Publisher	Springer US
Publisher Date	2014-10-29
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Parallel computers Interconnection networks Blocking problem Reliability Scalable crossbar network Programming Languages, Compilers, Interpreters Processor Architectures Computer Science
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Information Systems Hardware and Architecture Software

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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