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Hierarchical macro-dataflow computation scheme

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4 Author(s)
Okamoto, M. ; Dept. of Electr. Eng., Waseda Univ., Tokyo, Japan ; Yamashita, K. ; Kasahara, H. ; Narita, S.

This paper proposes a hierarchical macro-dataflow computation scheme in a Fortran program. In addition to the usually used parallelism among loop iterations, the hierarchical macro-dataflow computation scheme allows us to hierarchically exploit the near fine grain parallelism among statements inside basic block, and the coarse grain parallelism among basic blocks, loops, or subroutines inside a main routine, subroutines, and loops. This paper describes the hierarchical definition of macrotasks, the parallelism extraction scheme among macrotasks defined inside a higher level layer macrotask and a scheduling scheme that assigns hierarchical macrotasks on hierarchical processor clusters. A result is also described of the performance of hierarchical macro-dataflow computation evaluated on a distributed shared memory and centralized memory multiprocessor system OSCAR

Published in:

Communications, Computers, and Signal Processing, 1995. Proceedings., IEEE Pacific Rim Conference on

Date of Conference:

17-19 May 1995

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