Thread-based programming for the EM-4 hybrid dataflow machine

  • Authors:
  • Mitsuhisa Sato;Yuetsu Kodama;Shuichi Sakai;Yoshinori Yamaguchi;Yasuhito Koumura

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • ISCA '92 Proceedings of the 19th annual international symposium on Computer architecture
  • Year:
  • 1992

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Abstract

In this paper, we present a thread-based programming model for the EM-4 hybrid dataflow machine, where parallelism and synchronization among threads of sequential execution are described explicitly by the programmer. Although EM-4 was originally designed as a dataflow machine, we demonstrate that it provides effective architectural support for a variety of programming styles, including message passing and distributed data sharing in imperative languages. Our approach allows the programmer to control the parallelism and maintain data locality explicitly to achieve high performance. EM-4 can be thought of as a multi-threaded architecture that can exploit both von Neumann and dataflow compiling technology. Thread-based programming provides the first step to explore better programming/compiling technology for a hybrid dataflow machine as well as EM-4.