Improving performance of openSHMEM reference library by portable PE mapping technique

Swaroop Pophale, Tony Curtis, Barbara Chapman

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

Reducing data communication cost is a critical performance consideration and the need is more acute when using libraries like the OpenSHMEM Reference library which has to sacrifice some performance optimizations for portability. Being a Partitioned Global Address Space library the OpenSHMEM reference library provides more control over data placement, yet, some communication intensive applications would benefit from the libraries prior knowledge of its communication pattern. In this poster we discuss a low cost portable methodology to provide PE re-numbering to facilitate maximum on-node communication. We validate our method using the well-documented 2D heat transfer application.

Original languageEnglish
Title of host publicationICS 2013 - Proceedings of the 2013 ACM International Conference on Supercomputing
Pages485
Number of pages1
DOIs
StatePublished - 2013
Externally publishedYes
Event27th ACM International Conference on Supercomputing, ICS 2013 - Eugene, OR, United States
Duration: Jun 10 2013Jun 14 2013

Publication series

NameProceedings of the International Conference on Supercomputing

Conference

Conference27th ACM International Conference on Supercomputing, ICS 2013
Country/TerritoryUnited States
CityEugene, OR
Period06/10/1306/14/13

Keywords

  • communication optimizations
  • openshmem
  • pgas

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