A Parallel MPI I/O Solution Supported by Byte-addressable Non-volatile RAM Distributed Cache - Publikacja - MOST Wiedzy

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A Parallel MPI I/O Solution Supported by Byte-addressable Non-volatile RAM Distributed Cache

Abstrakt

While many scientific, large-scale applications are data-intensive, fast and efficient I/O operations have become of key importance for HPC environments. We propose an MPI I/O extension based on in-system distributed cache with data located in Non-volatile Random Access Memory (NVRAM) available in each cluster node. The presented architecture makes effective use of NVRAM properties such as persistence and byte-level access behind the MPI I/O API. Another advantage of the proposed solution is making development of a parallel application easy and efficient as a programmer just needs to use the well known MPI I/O data model and API while efficient file access is automatically provided without a need for application level optimizations like avoiding frequent operations on a small data. Results of experiments obtained with three different applications suggest, that the extension significantly reduces file access time, especially for small I/O operations. By locating cache facilities on computing nodes, the extension decreases load of file system servers and makes I/O scalable

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Informacje szczegółowe

Kategoria:
Aktywność konferencyjna
Typ:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Opublikowano w:
Annals of Computer Science and Information Systems nr 9, strony 133 - 140,
ISSN: 2300-5963
Tytuł wydania:
Position Papers of the 2016 Federated Conference on Computer Science and Information Systems strony 133 - 140
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
Malinowski A., Czarnul P., Dorożyński P., Czuryło, K., Dorau, Ł., Maciejewski, M., Skowron P.: A Parallel MPI I/O Solution Supported by Byte-addressable Non-volatile RAM Distributed Cache// Position Papers of the 2016 Federated Conference on Computer Science and Information Systems/ ed. 2016 : , 2016, s.133-140
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.15439/2016f52
Weryfikacja:
Politechnika Gdańska

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