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Asymmetric Memory Extension for Openshmem

Published: 06 October 2014 Publication History

Abstract

Memory allocation in Openshmem is a global operation that requires in-step calls from all Processing Elements (PEs). Although this approach works with applications that split the work evenly, it prevents using Openshmem in cases where the workload and the memory it uses are allocated dynamically and can change significantly while the application is running. To broaden the cases where Openshmem can be used, we propose an extension -- asymmetric memory support. The extension allows PEs to allocate memory independently, and make this memory available for remote access from other PEs.

References

[1]
S. W. Poole, O. Hernandez, J. A. Kuehn, G. M. Shipman, A. Curtis, and K. Feind. Openshmem-toward a unified rma model. In Encyclopedia of Parallel Computing, pages 1379--1391. Springer, 2011.
[2]
P. Shamis, M. Venkata, J. Kuehn, S. Poole, and R. Graham. Universal common communication substrate (uccs) specification. Technical report, Version 0.1. Tech Report ORNL/TM-2012/339, Oak Ridge National Laboratory, ORNL, 2012.

Cited By

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  • (2022)Dynamic Symmetric Heap Allocation in NVSHMEMOpenSHMEM and Related Technologies. OpenSHMEM in the Era of Exascale and Smart Networks10.1007/978-3-031-04888-3_12(187-198)Online publication date: 20-May-2022
  • (2017)UNITYProceedings of the 7th International Workshop on Runtime and Operating Systems for Supercomputers ROSS 201710.1145/3095770.3095776(1-8)Online publication date: 27-Jun-2017

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PGAS '14: Proceedings of the 8th International Conference on Partitioned Global Address Space Programming Models
October 2014
199 pages
ISBN:9781450332477
DOI:10.1145/2676870
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Association for Computing Machinery

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Published: 06 October 2014

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Cited By

View all
  • (2022)Dynamic Symmetric Heap Allocation in NVSHMEMOpenSHMEM and Related Technologies. OpenSHMEM in the Era of Exascale and Smart Networks10.1007/978-3-031-04888-3_12(187-198)Online publication date: 20-May-2022
  • (2017)UNITYProceedings of the 7th International Workshop on Runtime and Operating Systems for Supercomputers ROSS 201710.1145/3095770.3095776(1-8)Online publication date: 27-Jun-2017

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