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| Hauptseite > Publikationsdatenbank > Using file system counters in modelling parallel I/O architectures |
| Hauptseite > Publikationsdatenbank > Using file system counters in modelling parallel I/O architectures |
| Journal Article | FZJ-2017-04737 |
; ;
2017
ACM
New York, NY
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Please use a persistent id in citations: doi:10.1145/3041710.3041716
Abstract: Keeping compute and I/O performance balanced is a major challenge for future cost-efficient HPC systems. Several architectural concepts and new technologies allow to address this challenge, however at the price of higher complexity. As a result, the need emerges to simulate these architectural concepts and new technologies to predict their impact on the overall performance. In this paper we propose a particular approach to explore the design space using event simulation models that take I/O server-side performance counters as input. In this way large quantities of real-life data measured over a large number of applications can be used to explore architectural modifications. We apply our approach using data collected by a GPFS file system serving a petascale Blue Gene/P installation.
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