HARP: hard-wired routing pattern FPGAs

  • Authors:
  • Satish Sivaswamy;Gang Wang;Cristinel Ababei;Kia Bazargan;Ryan Kastner;Eli Bozorgzadeh

  • Affiliations:
  • University of Minnesota, Minneapolis, MN;University of California, Santa Barbara, Santa Barbara, CA;University of Minnesota, Minneapolis, MN;University of Minnesota, Minneapolis, MN;University of California, Santa Barbara, Santa Barbara, CA;University of California, Irvine, Irvine, CA

  • Venue:
  • Proceedings of the 2005 ACM/SIGDA 13th international symposium on Field-programmable gate arrays
  • Year:
  • 2005

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Abstract

Modern FPGA architectures provide ample routing resources so that designs can be routed successfully. The routing architecture is designed to handle versatile connection configurations. However, providing such great flexibility comes at a high cost in terms of area, delay and power. We propose a new FPGA routing architecture\footnoteThis work was supported in part by a grant from NSF under contract CAREER CCF-0347891 that utilizes a mixture of hardwired and traditional flexible switches. The result is 24% reduction in leakage power consumption, 7% smaller area and 24% shorter delays, which translates to 30% increase in clock frequency. Despite the increase in clock speeds, the overall power consumption is %, including dynamic power, reduced by 8%.