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[Core][MPI] Minor fix in STL IO in MPI write #11656

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merged 2 commits into from
Oct 5, 2023
Merged

[Core][MPI] Minor fix in STL IO in MPI write #11656

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47f0d01
[Core][MPI] Minor fix in STL IO in MPI write
loumalouomega Oct 4, 2023
00d9d5a
Fix Windows build and fix potential IO conflict in MPI with many part…
loumalouomega Oct 4, 2023
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12 changes: 10 additions & 2 deletions kratos/input_output/stl_io.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -230,8 +230,12 @@ void StlIO::WriteEntityBlockMPI(
<< "Model part contained " << converted_num_degenerate_geometries
<< " geometries with area = 0.0, skipping these geometries." << std::endl;

// Getting number of entities
std::size_t number_of_entities = rThisEntities.size();
number_of_entities = rDataCommunicator.SumAll(number_of_entities);

// Retrieve rank and pass to rank 0
if (rThisEntities.size() > 0) {
if (number_of_entities > 0) {
const int rank = rDataCommunicator.Rank();
const int tag = 0;
if (rank == 0) {
Expand Down Expand Up @@ -278,8 +282,12 @@ void StlIO::WriteGeometryBlockMPI(
<< "Model part contained " << converted_num_degenerate_geometries
<< " geometries with area = 0.0, skipping these geometries." << std::endl;

// Getting number of entities
std::size_t number_of_geometries = rThisGeometries.size();
number_of_geometries = rDataCommunicator.SumAll(number_of_geometries);

// Retrieve rank and pass to rank 0
if (rThisGeometries.size() > 0) {
if (number_of_geometries > 0) {
const int rank = rDataCommunicator.Rank();
const int tag = 0;
if (rank == 0) {
Expand Down