Register-Sensitive Software Pipelining

  • Authors:
  • A. Dani

  • Affiliations:
  • -

  • Venue:
  • IPPS '98 Proceedings of the 12th. International Parallel Processing Symposium on International Parallel Processing Symposium
  • Year:
  • 1998

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Abstract

In this papel, we propose an integrated approach for register-sensitive software pipelining. In this approach, the heuristics proposed in the stage scheduling method of Eichenberger and Davidson [4] are integrated with the iterative scheduling method to obtain schedules with high initiation rate and low register requirements. The peformance of our integrated software pipelining method was analyzed for a large number of loops taken from a variety of scientific benchmark programs. Our studies reveal that the stage scheduling heuristics facilitate better peformance benefits when applied at the scheduling time, resulting in significant performance improvement over both the stage scheduling method and the slack scheduling method.