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Modeling parallel computers as memory hierarchies

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3 Author(s)
Alpern, B. ; IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA ; Carter, L. ; Ferrante, J.

A parameterized generic model that captures the features of diverse computer architectures would facilitate the development of portable programs. Specific models appropriate to particular computers are obtained by specifying parameters of the generic model. A generic model should be simple, and for each machine that it is intended to represent, it should have a reasonably accurate specific model. The Parallel Memory Hierarchy (PMH) model of computation uses a single mechanism to model the costs of both interprocessor communication and memory hierarchy traffic. A computer is modeled as a tree of memory modules with processors at the leaves. All data movement takes the form of block transfers between children and their parents. The paper assesses the strengths and weaknesses of the PMH model as a generic model

Published in:

Programming Models for Massively Parallel Computers, 1993. Proceedings

Date of Conference:

20-23 Sep 1993