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The refinement of high-level parallel algorithm specifications

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3 Author(s)
Hummel, S.F. ; Dept. of Comput. Sci., Polytechnic Univ., Brooklyn, NY, USA ; Talla, S. ; Brennan, J.

PSETL is a prototyping language for developing efficient numeric code for massively parallel machines. PSETL enables parallel algorithms to be concisely specified at a very high level, and successively refined into lower level architecture-specific code. It includes a rich variety of parallel loops over sets, bags, and tuples, and a hierarchy of communication mechanisms, ranging from atomic assignments to reductions and scans on collections. We illustrate the parallel features of PSETL and the refinement process using an N-body simulation code as a case study. The high-level code, which is only a few pages long, is refined for execution on shared and disjoint address-space MIMD machines

Published in:

Programming Models for Massively Parallel Computers, 1995

Date of Conference:

9-12 Oct 1995