HI Abhishek,

The hybrid communication strategy is really related to the 2.5D  (Spectral/hp element/Fourier) discretisation where we can parallelise in the spectral/hp element plane or the Fourier direction. I think the most relevant paper for this would be :

 https://www.sciencedirect.com/science/article/pii/S001046551630100X?via%3Dihub

Cheers,

Spencer.

Spencer Sherwin FREng, FRAeS
Head of Aerodynamics Section,
Director of Research Computing Service,
Professor of Computational Fluid Mechanics,
Department of Aeronautics,
South Kensington Campus,

Imperial College London, SW7 2AZ,  UK
Phone: +44 (0)20 7594 5052

http://www.imperial.ac.uk/people/s.sherwin/

On 23 Nov 2020, at 23:30, Abhishek Kumar <abhishek.kir@gmail.com> wrote:

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Dear friends,

I am trying to understand the parallelisation of Nektar++. I have a question on the use of  Row and  Column communicator. Is both the communicators are used in the 2D mesh? Can I also get some reference of Nektar++ parallelisation strategy?

With regards

Abhishek 

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Abhishek Kumar

Assistant Professor (Research)

Centre for Fluid and Complex Systems

Coventry University, Coventry CV15FB

The United Kingdom

Phone: +44 24 7765 9150

Mobile: +44 7464026494

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