Unboxed objects and polymorphic typing

  • Authors:
  • Xavier Leroy

  • Affiliations:
  • -

  • Venue:
  • POPL '92 Proceedings of the 19th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
  • Year:
  • 1992

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Abstract

This paper presents a program transformation that allows languages with polymorphic typing (e.g. ML) to be implemented with unboxed, multi-word data representations. The transformation introduces coercions between various representations, based on a typing derivation. A prototype ML compiler utilizing this transformation demonstrates important speedups.