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Cooperative communication for efficient and scalable all-to-all barrier synchronization on mesh-based many-core NoCs
KTH, School of Information and Communication Technology (ICT), Electronic Systems. National University of Defense Technology, China .
KTH, School of Information and Communication Technology (ICT), Electronic Systems.ORCID iD: 0000-0003-0061-3475
KTH, School of Information and Communication Technology (ICT), Electronic Systems.
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2014 (English)In: IEICE Electronics Express, ISSN 1349-2543, E-ISSN 1349-2543, Vol. 11, no 18, 20140542- p.Article in journal (Refereed) Published
Abstract [en]

On many-core Network-on-Chips (NoCs), communication is on the critical path of system performance and contended synchronization requests may cause large performance penalty. Different from conventional algorithm-based approaches, the paper addresses the barrier synchronization problem from the angle of optimizing its communication performance and proposes cooperative communication as a means to achieve efficient and scalable all-to-all barrier synchronization on mesh-based many-core NoCs. With the cooperative communication, routers collaborate with one another to accomplish a fast barrier synchronization task. The cooperative communication is implemented in our router at low cost. Through comparative experiments, our approach evidently exhibits high efficiency and good scalability.

Place, publisher, year, edition, pages
2014. Vol. 11, no 18, 20140542- p.
Keyword [en]
cooperative communication, all-to-all barrier synchronization, many-core Network-on-Chips
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-158310DOI: 10.1587/elex.11.20140542ISI: 000344925900002Scopus ID: 2-s2.0-84907809112OAI: oai:DiVA.org:kth-158310DiVA: diva2:776182
Note

QC 20150107

Available from: 2015-01-07 Created: 2015-01-07 Last updated: 2017-12-05Bibliographically approved

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Lu, Zhonghai

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