Acceleration of an FPGA router

  • Authors:
  • P. K. Chan;M. D. F. Schlag

  • Affiliations:
  • -;-

  • Venue:
  • FCCM '97 Proceedings of the 5th IEEE Symposium on FPGA-Based Custom Computing Machines
  • Year:
  • 1997

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Abstract

The authors describe their experience and progress in accelerating an FPGA router. Placement and routing is undoubtedly the most time-consuming process in automatic chip design or configuring programmable logic devices as reconfigurable computing elements. Their goal is to accelerate routing of FPGAs by 10 fold with a combination of processor clusters and hardware acceleration. Coarse-grain parallelism is exploited by having several processors route separate groups of nets in parallel. A hardware accelerator is presented which exploits the fine-grain parallelism in routing individual nets.