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Persistent URL http://purl.org/net/epubs/work/12333392
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Record Id 12333392
Title Enhancing scalability of the gyrokinetic code GS2 by using MPI Shared Memory for FFTs
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Abstract In this report we present a preliminary study for two algorithms that allow 2D FFT computations presently carried out in the memory associated with a single MPI task running on one core in the gyrokinetic plasma code GS2, to be computed in shared memory either in one node, or in a group of nodes. If this can be done efficiently, it may significantly extend the scalability of GS2 to higher core counts.
Organisation STFC , SCI-COMP , SCI-COMP-APE
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Language English (EN)
Type Details URI(s) Local file(s) Year
Report 2015. http://purl.org/n…nifestation/12333395 2015
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