vertex based patch creation #112
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doesn't support more than one expansion round for now
The elmsInPatch-to-2ndAdjElms graph was being created and returned. It was not 'merging' those subgraphs into the patch-to-elmsInPatch graph that needs to be returned.
use graph functions nnodes and nedges
given the use of kokkos team sorting, the patch api is only supported when kokkos is enabled
moved to Omega_h_patches.[h|c]pp
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/runtests |
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Test Result: success (details) |
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This PR adds support for creation of small sets of elements (the highest dimension mesh entity,
dim) surrounding each vertex in the mesh. The patches are formed by first collecting the upward adjacent elements to each vertex and then successively adding elements to the patch that are adjacent to the current elements via sides (entities of dimensiondim-1) until the minimum patch size is reached for each vertex. For use with a partitioned mesh, the mesh partition needs to be created with ghosting enabled (i.e.,mesh.set_parting(OMEGA_H_GHOSTED)).Note, Kokkos is required for shard memory parallel segment sorting via team sort.
This functionality is needed to support super convergent patch recovery for the BER land ice project.