Efficient compilation of high-level data parallel algorithms

  • Authors:
  • Dan Suciu;Val Tannen

  • Affiliations:
  • Univ. of Pennsylvania, Philadelpia;Univ. of Pennsylvania, Philadelpia

  • Venue:
  • SPAA '94 Proceedings of the sixth annual ACM symposium on Parallel algorithms and architectures
  • Year:
  • 1994

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Abstract

We present a high-level parallel calculus for nested sequences, NSC , offered as a possible theoretical “core” of an entire class of collection-oriented parallel languages. NSC is based on while-loops as opposed to general recursion. A formal, machine independent definition of the parallel time complexity and the work complexity of programs in NSC is given. Our main results are: (1) We give a translation method for a particular form of recursion, called map-recursion, into NSC , that preserves the time complexity and adds an arbitrarily small overhead to the work complexity, and (2) We give a compilation method for NSC into a very simple vector parallel machine, which preserves the time complexity and again adds an arbitrarily small overhead to the work complexity.