Improving communication latency with the write-only architecture

  • Authors:
  • Simon Spacey;Wayne Luk;Paul H. J. Kelly;Daniel Kuhn

  • Affiliations:
  • -;-;-;-

  • Venue:
  • Journal of Parallel and Distributed Computing
  • Year:
  • 2012

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Abstract

This paper introduces a novel execution paradigm called the Write-Only Architecture (WOA) that reduces communication latency overheads by up to a factor of five over previous methods. The WOA writes data through distributed control flow logic rather than using a read-write paradigm or a centralised message hub which allows tasks to be partitioned at a fine-grained level without suffering from excessive communication overheads on distributed systems. In this paper we provide formal assignment results for software benchmarks partitioned using the WOA and previous execution paradigms for distributed heterogeneous architectures along with bounds and complexity information to demonstrate the robust performance improvements possible with the WOA.