Title :
Fast barrier synchronization with AWGR-based optical switch in high-performance and parallel computing
Author :
Ye, Xiaohui ; Potter, Andrew ; Yin, Yawei ; Proietti, Roberto ; Yoo, S.J.B. ; Akella, Venkatesh
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of California, Davis, CA, USA
Abstract :
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.
Keywords :
optical switches; parallel processing; trees (mathematics); AWGR-based optical switch; arrayed waveguide grating router; fast barrier synchronization; high-performance computing; k-ary tree; optical broadcast; parallel computing; wavelength parallelism; Fiber optics; Optical buffering; Optical receivers; Optical switches; Parallel processing; Program processors; Synchronization;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6