A Low-Cost High-Speed Source-Synchronous Interconnection Technique for GALS Chip Multiprocessors

Anh T. Tran,
Dean N. Truong,
Bevan M. Baas
VLSI Computation Laboratory
Department of Electrical and Computer Engineering
University of California, Davis

Abstract:

The globally asynchronous locally synchronous (GALS) design style for a large area chip has become increasingly attractive due to the difficulty of designing global clocking circuits at high clock frequencies in the GHz range. In this paper, we present a high-speed interconnect network for a GALS multiprocessing system composed of a 2-D mesh array of processors. Processors are locally clocked by their own oscillators and communicate together using a static circuit-switched technique combined with a source-synchronous communication scheme. A technique to maximize the timing reliability on long-distance interconnects at high clock rates is proposed that is area and power efficient with low latency and allows a sustained ideal peak throughput of one word per cycle.

Paper

Reference

Anh T. Tran, Dean N. Truong, Bevan M. Baas, "A Low-Cost High-Speed Source-Synchronous Interconnection Technique for GALS Chip Multiprocessors" IEEE International Symposium on Circuits and Systems (ISCAS), May 2009, pp.996-999.

BibTeX entry

@article{VCL:NOCS:2009,
   author    = {Anh T. Tran, Dean N. Truong, Bevan M. Baas}
   title     = {A Low-Cost High-Speed Source-Synchronous Interconnection Technique for GALS Chip Multiprocessors},
   journal   = {IEEE International Symposium on Circuits and Systems (ISCAS)},
   year      = 2009,
   month     = May,
   pages     = {996-999},
   }

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Last update: June 02, 2009