Memory Synthesis for FPGA-Based Reconfigurable Computers

  • Authors:
  • Amit Kasat;Iyad Ouaiss;Ranga Vemuri

  • Affiliations:
  • -;-;-

  • Venue:
  • FPL '01 Proceedings of the 11th International Conference on Field-Programmable Logic and Applications
  • Year:
  • 2001

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Abstract

For data intensive applications like Digital Signal Processing, Image Processing, and Pattern Recognition, memory reads and writes constitute a large portion of the total design execution time. With the advent of on-chip memories, a rich hierarchy of physical memories is now available on a Reconfigurable Computer (RC). An intelligent usage of these memories can lead to a significant improvement in the latency of the overall design. This paper presents an automated heuristic-based memory mapping framework for RCs. We use a Tabu search guided heuristic, Rectangle Carving, to map a single data structure onto several instances of a memory type on the RC. We also introduce control logic to resolve potential memory access conflicts and to make the details of memory mapping transparent to the accessing logic.