Tuned: An open MPI collective communications component

Graham E. Fagg; George Bosilca; Jelena Pješivac-Grbović; Thara Angskun; Jack J. Dongarra

doi:10.1007/978-0-387-69858-8_7

Tuned: An open MPI collective communications component

Graham E. Fagg, George Bosilca, Jelena Pješivac-Grbović, Thara Angskun, Jack J. Dongarra

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

13 Scopus citations

Abstract

Collective communications are invaluable to modern high performance applications, although most users of these communication patterns do not always want to know their inner most working. The implementation of the collectives are often left to the middle-ware developer such as those providing an MPI library. As many of these libraries are designed to be both generic and portable the MPI developers commonly offer internal tuning options suitable only for knowledgeable users that allow some level of customization. The work presented in this paper aims not only to provide a very efficient set of collective operations for use with the Open MPI implementation but also to make the control and tuning of them straightforward and flexible.

Original language	English
Title of host publication	Distributed and Parallel Systems
Subtitle of host publication	From Cluster to Grid Computing
Publisher	Springer US
Pages	65-72
Number of pages	8
ISBN (Print)	0387698574, 9780387698571
DOIs	https://doi.org/10.1007/978-0-387-69858-8_7
State	Published - 2007
Externally published	Yes

Keywords

Collective Communication
Communication Tuning
Runtime Selection

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10.1007/978-0-387-69858-8_7

Cite this

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AU - Dongarra, Jack J.

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AB - Collective communications are invaluable to modern high performance applications, although most users of these communication patterns do not always want to know their inner most working. The implementation of the collectives are often left to the middle-ware developer such as those providing an MPI library. As many of these libraries are designed to be both generic and portable the MPI developers commonly offer internal tuning options suitable only for knowledgeable users that allow some level of customization. The work presented in this paper aims not only to provide a very efficient set of collective operations for use with the Open MPI implementation but also to make the control and tuning of them straightforward and flexible.

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KW - Runtime Selection

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ER -

Tuned: An open MPI collective communications component

Abstract

Keywords

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