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Also distribute the centroids when loadbalancing CpGrid.

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They are attached to the cells as well and are now distributed
during CpGrid::loadBalance. Due to this change we also rename
FieldPropsDataHandle to PropsCentroidsDataHandle.
This commit is contained in:
Markus Blatt
2020-03-04 21:06:21 +01:00
parent 1b03b040a3
commit 4c962e61d1
6 changed files with 78 additions and 65 deletions
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42
ebos/ecltransmissibility.hh
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@@ -149,47 +149,7 @@ public:
for (unsigned dimIdx = 0; dimIdx < dimWorld; ++dimIdx)
axisCentroids[dimIdx].resize(numElements);
std::vector<double> centroids;
#if HAVE_MPI
size_t cells = vanguard_.grid().numCells();
if (global && comm.size() > 1) {
std::vector<size_t> sizes(comm.size());
if (comm.rank() == 0) {
const auto& eclGrid = eclState.getInputGrid();
comm.gather(&cells, sizes.data(), 1, 0);
for (int i = 1; i < comm.size(); ++i) {
std::vector<int> cell_id(sizes[i]);
MPI_Recv(cell_id.data(), sizes[i], MPI_INT,
i, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
centroids.resize(dimWorld * sizes[i]);
auto cIt = centroids.begin();
for (int idx : cell_id) {
const auto& centroid = eclGrid.getCellCenter(idx);
for (const auto& it : centroid)
*cIt++ = it;
}
MPI_Send(centroids.data(), dimWorld * sizes[i],
MPI_DOUBLE, i, 0, MPI_COMM_WORLD);
}
centroids.clear();
} else {
comm.gather(&cells, sizes.data(), 1, 0);
std::vector<int> cell_ids;
cell_ids.reserve(cells);
auto elemIt = gridView.template begin</*codim=*/ 0>();
const auto& elemEndIt = gridView.template end</*codim=*/ 0>();
for (; elemIt != elemEndIt; ++elemIt) {
const auto& elem = *elemIt;
cell_ids.push_back(cartMapper.cartesianIndex(elemMapper.index(elem)));
}
MPI_Send(cell_ids.data(), cells, MPI_INT, 0, 0, MPI_COMM_WORLD);
centroids.resize(cells * dimWorld);
MPI_Recv(centroids.data(), dimWorld * cells, MPI_DOUBLE,
0, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
}
}
#endif
const std::vector<double>& centroids = vanguard_.cellCentroids();
auto elemIt = gridView.template begin</*codim=*/ 0>();
const auto& elemEndIt = gridView.template end</*codim=*/ 0>();