Working with MPI Benchmarking Suites on ccNUMA Architectures

Authors:
Hermann Mierendorff;Kläre Cassirer;Helmut Schwamborn
Affiliations:
-;-;-
Venue:
Proceedings of the 7th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface
Year:
2000

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Abstract

Four different benchmarking suites for testing the performance of MPI routines have been considered on an SGI Origin2000. Special properties of these benchmarking suites which are mostly hidden to the user turned out as being of considerable influence on the benchmarking results for ccNUMA systems such as number and location of buffers, warm-up of the cache before running the benchmark, or procedure of measuring the time. In addition, we consider interpretation of results and their approximation by piecewise linear curves.