feat: Add new scatter strategies for initial mesh redistribution

src/coreComponents/integrationTests/meshTests/testVTKImport.cpp

@@ -51,22 +51,30 @@ using namespace geos::dataRepository;
 
 
 template< class V >
-void TestMeshImport( string const & meshFilePath, V const & validate, string const fractureName="" )
+void TestMeshImport( string const & meshFilePath, V const & validate, string const fractureName="", string const scatterMethod="" )
 {
   // Automatically use global IDs when fractures are present
   string const useGlobalIdsStr = fractureName.empty() ? "0" : "1";
 
+  string scatterAttr;
+  if( !scatterMethod.empty() )
+  {
+    scatterAttr = GEOS_FMT( "scatterMethod=\"{}\"", scatterMethod );
+  }
+
   string const pattern = R"xml(
     <Mesh>
       <VTKMesh
         name="mesh"
         file="{}"
         partitionRefinement="0"
         useGlobalIds="{}"
+        {}
         {} />
     </Mesh>
   )xml";
   string const meshNode = GEOS_FMT( pattern, meshFilePath, useGlobalIdsStr,
+                                    scatterAttr,
                                     fractureName.empty() ? "" : "faceBlocks=\"{" + fractureName + "}\"" );
 
   xmlWrapper::xmlDocument xmlDocument;

src/coreComponents/mesh/CMakeLists.txt

@@ -214,6 +214,7 @@ if( ENABLE_VTK )
          generators/VTKHierarchicalDataSource.hpp
          generators/VTKMeshGenerator.hpp
          generators/VTKMeshGeneratorTools.hpp
+         generators/VTKMeshScattering.hpp
          generators/VTKWellGenerator.hpp
          generators/VTKSuperCellPartitioning.hpp
          generators/VTKUtilities.hpp
@@ -224,6 +225,7 @@ if( ENABLE_VTK )
          generators/VTKHierarchicalDataSource.cpp
          generators/VTKMeshGenerator.cpp
          generators/VTKMeshGeneratorTools.cpp
+         generators/VTKMeshScattering.cpp
          generators/VTKWellGenerator.cpp
          generators/VTKSuperCellPartitioning.cpp
          generators/VTKUtilities.cpp
@@ -270,3 +272,7 @@ if( GEOS_ENABLE_TESTS )
     add_subdirectory( unitTests )
 endif( )
 
+# Add benchmarks subdirectory
+if( ENABLE_VTK )
+    add_subdirectory( benchmarks )
+endif()

src/coreComponents/mesh/benchmarks/CMakeLists.txt

@@ -0,0 +1,15 @@
+#
+# Mesh benchmarks
+#
+
+set( dependencyList mesh ${parallelDeps} ${tplDependencyList} )
+
+blt_add_executable(
+  NAME benchmarkScatterMethods
+  SOURCES benchmarkScatterMethods.cpp
+  OUTPUT_DIR ${BENCHMARK_OUTPUT_DIRECTORY}
+  DEPENDS_ON ${dependencyList}
+  FOLDER coreComponents/mesh/benchmarks
+)
+
+install(TARGETS benchmarkScatterMethods DESTINATION ${CMAKE_INSTALL_PREFIX}/benchmarks)