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\subsection{Introduction} |
\subsection{Introduction} |
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The exch2 package is an extension to the original cubed sphere exchanges |
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to allow more flexible domain decomposition and parallelization. Cube faces |
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(subdomain) may be divided into whatever number of tiles that divide evenly |
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into the grid point dimensions of the subdomain. Furthermore, the individual |
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tiles may be run on different processors in any combination, (tone this down |
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a bit), and whether exchanges between particular tiles occur between different |
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processors is decided at runtime. |
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