The measured performance of a fast local IPC

  • Authors:
  • J. S. Shapiro;D. J. Farber;J. M. Smith

  • Affiliations:
  • -;-;-

  • Venue:
  • IWOOOS '96 Proceedings of the 5th International Workshop on Object Orientation in Operating Systems (IWOOOS '96)
  • Year:
  • 1996

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Abstract

Protected application decomposition is limited by the performance of the local interprocess procedure call implementation. In this paper we measure the performance of a new IPC implementation, and show that the cost of IPC can be reduced to the cost of raw memory copy plus a small overhead. Even on machines with poor context switching performance, our implementation compares favorably with bcopy() for surprisingly small payloads.