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Scalable libraries for Fortran 90D/High Performance Fortran

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7 Author(s)
Bozkus, Z. ; Northeast Parallel Archit. Center, Syracuse Univ., NY, USA ; Choudhary, A. ; Fox, G. ; Haupt, T.
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High Performance Fortran (HPF) is a new language, based on Fortran 90, developed by HPF Forum. The language was designed to support data parallel programming with top performance on MIMD and SIMD computers with non-uniform memory access costs. The main features of the language include the FORALL construct, new intrinsic functions and data distribution directives. A perusal of HPF shows that most of the parallelism is hidden in the runtime library. Further, efficient parallelization of FORALL construct and array assignment functions on distributed memory machines requires the use of collective communication to access non-local data. This communication could be structured (like shift, broadcast, all-to-all communication) or unstructured. Thus, the scalability of the code generated by the compiler depend on the scalability of these libraries. In this paper, we present the design and performance of an scalable library for the intrinsic functions and the collective communication library

Published in:

Scalable Parallel Libraries Conference, 1993., Proceedings of the

Date of Conference:

6-8 Oct 1993

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