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Memory and Thread Placement Effects as a Function of Cache Usage: A Study of the Gaussian Chemistry Code on the SunFire X4600 M2

Yang, Rui; Antony, Joseph; Janes, Pete; Rendell, Alistair

Description

In this work we study the effect of cache blocking and memory/thread placement on a modern multicore shared memory parallel system, the SunFire X4600 Ml, using the Gaussian 03 computational chemistry code. A protocol for performing memory and thread placement studies is outlined, as is a scheme for characterizing a particular memory and thread placement pattern. Results for parallel Gaussian 03 runs with up to 16 threads are presented.

CollectionsANU Research Publications
Date published: 2008
Type: Conference paper
URI: http://hdl.handle.net/1885/38877
Source: Proceedings of the 9th International Symposium on Parallel Architectures, Algorithms and Networks
DOI: 10.1109/I-SPAN.2008.13

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