Title
A low-swing crossbar and link generator for low-power networks-on-chip
Abstract
Networks-on-Chip (NoCs) are emerging as the answer to non-scalable buses for connecting multiple cores in Chip Multi Processors (CMPs), and multiple IP blocks in Multi Processor Systems-on-Chip (MPSoCs). These networks require an extremely low-power datapath to ensure sustained scalability, and higher performance/watt. Crossbars and links form the core of a network datapath, and integrating low-swing links within these will reduce power significantly. Low-swing links however require significant custom circuit design effort to deliver good power efficiency and high bit rate, in the face of noise. As a result, low-swing links have not been able to make it to mainstream chips which rely on crossbar and link generators from RTL. In this paper, we present a datapath generator that creates automated layouts for crossbars with noise-robust low-swing links within them. To the best of our knowledge, this is the first crossbar generator that (1) creates layouts, instead of generating just synthesizable RTL; and (2) integrates noise-robust low-swing links in an automated manner. We demonstrate our generated datapath in a fully-synthesized NoC router, and observe 50% power reduction on datapath.
Year
DOI
Venue
2011
10.1109/ICCAD.2011.6105418
Computer-Aided Design
Keywords
Field
DocType
multiprocessing systems,multiprocessor interconnection networks,network-on-chip,IP blocks,automated layouts,chip multi processors,crossbar generator,custom circuit design,fully-synthesized NoC router,link generator,low-power networks-on-chip,low-swing crossbar,mainstream chips,multiprocessor systems-on-chip,network datapath generator,noise-robust low-swing links,non-scalable buses
Electrical efficiency,Datapath,Computer science,Network on a chip,Circuit design,Electronic engineering,Chip,Router,Crossbar switch,Scalability,Embedded system
Conference
ISSN
ISBN
Citations 
1092-3152 E-ISBN : 978-1-4577-1398-9
978-1-4577-1398-9
8
PageRank 
References 
Authors
0.50
10
4
Name
Order
Citations
PageRank
Chia-Hsin Owen Chen180.50
Sunghyun Park215410.83
Tushar Krishna3186486.95
Li-Shiuan Peh439614.41