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Optimalizace distribuovaného I/O subsystému projektu k-Wave / Optimization of the Distributed I/O Subsystem of the k-Wave Project

This thesis deals with an effective solution of the parallel I/O of the k-Wave tool, which is designed for time domain acoustic and ultrasound simulations. k-Wave is a supercomputer application, it runs on a Lustre file system and it requires to be implemented with MPI and stores the data in suitable data format (HDF5). I designed three methods of optimization which fits k-Wave's needs. It uses accumulation and redistribution techniques. In comparison with the native write, every optimization method led to better write speed, up to 13.6GB/s. It is possible to use these methods to optimize every data distributed application with the write speed issue.

Identiferoai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:255408
Date January 2016
CreatorsVysocký, Ondřej
ContributorsKlepárník, Petr, Jaroš, Jiří
PublisherVysoké učení technické v Brně. Fakulta informačních technologií
Source SetsCzech ETDs
LanguageCzech
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/masterThesis
Rightsinfo:eu-repo/semantics/restrictedAccess

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