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Checkpointing of Parallel MPI Applications using MPI One-sided API with Support for Byte-addressable Non-volatile RAM
Abstract
The increasing size of computational clusters results in an increasing probability of failures, which in turn requires application checkpointing in order to survive those failures. Traditional checkpointing requires data to be copied from application memory into persistent storage medium, which increases application execution time as it is usually done in a separate step. In this paper we propose to use emerging byte-addressable non-volatile RAM (NVRAM) as a persistent storage medium and we analyze various methods of making consistent checkpoints with support of MPI one-sided API in order to minimize checkpointing overhead. We test our solution on two applications: HPCCG benchmark and PageRank algorithm. Our experiments showed that NVRAM based checkpointing performs much better than traditional disk based approach. We also simulated different possible latencies and bandwidth of future NVRAM and our experiments showed that only bandwidth had visible impact onto application execution time.
Citations
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Authors (7)
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Krzysztof Czuryło
- . .
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Łukasz Dorau
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Maciej Maciejewski
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Paweł Skowron
- . .
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Keywords
Details
- Category:
- Conference activity
- Type:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Title of issue:
- International Conference on Computational Science 2016 strony 30 - 40
- Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Dorożyński P., Czarnul P., Malinowski A., Czuryło, K., Dorau, Ł., Maciejewski, M., Skowron, P.: Checkpointing of Parallel MPI Applications using MPI One-sided API with Support for Byte-addressable Non-volatile RAM// International Conference on Computational Science 2016/ : Elsevier, 2016, s.30-40
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.procs.2016.05.295
- Verified by:
- Gdańsk University of Technology
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