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Chip-to-chip Optical Interconnects: More Bandwidth, More Powerful by Ren-tao GU; Yao-jun QIAO; Yue-feng JI is a Computer Science article available to read on EtoBox.

What is Chip-to-chip Optical Interconnects: More Bandwidth, More Powerful about?

This paper aims to compare the electrical chip-to-chip interconnects and optical interconnect from the physical view and the computing performance view. Using transmission line theory, the constraints of transmission bandwidth is obtained. The calculation indicates that ideal maximum electrical capacity density is much lower than the experimental optical interconnected one. In this calculation, all the parameters come from International Technology Roadmap for Semiconductors (ITRS) and reports of world-class laboratories. Compared with bandwidth, application is a more important factor, which has great influence on the technology development direction and deployment in the real scenarios. Therefore, we take fast Fourier transform (FFT) computation as an example to study whether and how the optical interconnect technology has influences on the computing performance. One of most popular topology, mesh architecture is evaluated in this paper. The results illustrate the bandwidth increase will lift up the speedup and efficiency, especially for the clusters with many processors working cooperatively. From the above analysis, it is shown that the unique features of optical interconnects ma

Who reads Chip-to-chip Optical Interconnects: More Bandwidth, More Powerful?

Author

Ren-tao GU; Yao-jun QIAO; Yue-feng JI

Publisher

Chinese Electronic Periodical Services; Elsevier ; Beijing University of Posts and Telecommunications; Elsevier BV (ISSN 1005-8885)

Published

2009

Language

EN

Field

Computer Science (Physical Sciences)