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Fast barrier synchronization with AWGR-based optical switch in high-performance and parallel computing

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6 Author(s)
Xiaohui Ye ; Dept. of Electr. & Comput. Eng., Univ. of California, Davis, CA, USA ; Potter, A. ; Yawei Yin ; Proietti, R.
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We demonstrate speedup of barrier synchronization for parallel computing via wavelength parallelism of the optical switch using a k-ary tree to collect updates without incurring contention, and optical broadcast to distribute the notifications.

Published in:

Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference

Date of Conference:

6-10 March 2011