%T BSP Modelling of Two Tiered Architectures
%A Jeremy M. R. Martin, Alex V. Tiskin
%E Barry M. Cook
%B Proceedings of WoTUG\-22: Architectures, Languages and Techniques for Concurrent Systems
%X In recent years there has been a trend towards using
standard workstation components to construct parallel
computers, due to the enourmous costs involved in designing
and manufacturing special\-purpose hardware. In particular
we can expect to see a large population of SMP clusters
emerging in the next few years. These are local\-area
networks of workstations, each containing around four
parallel processors with a single shared memory. To use
such machines effectively will be a major headache for
programmers and compiler\-writers. Here we consider how
well\-suited the BSP model might be for these two\-tier
architectures, and whether it would be useful to extend the
model to allow for non\-uniform communication behaviour.
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