Hi Spencer, Thanks a lot. This paper is very helpful. With regards Abhishek On Tue, Nov 24, 2020 at 1:00 PM Sherwin, Spencer J <s.sherwin@imperial.ac.uk> wrote:

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%3Dih...

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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