Port calling: a transformation for reducing I/O during multi-package functional partitioning

  • Authors:
  • Frank Vahid

  • Affiliations:
  • Department of Computer Science, University of California, Riverside, CA

  • Venue:
  • ISSS '97 Proceedings of the 10th international symposium on System synthesis
  • Year:
  • 1997

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Abstract

Partitioning a system among multiple input and output pin (I/O) limited packages is a widely researched and hard to solve problem. We previously described a new approach yielding large improvements, which partitioned functions rather than structure, and which used a single bus for all inter-package data transfer. In this paper, we describe an extension permitting arbitrary distribution of I/O among the packages, and highlight experiments demonstrating even further I/O reductions as well as surprisingly improved performance, with nearly no penalty.