1 way coupling performance benchmark parameter file and small adaption in .cpp...

1 way coupling performance benchmark parameter file and small adaption in .cpp file -> code works on cpu and gpu

apps/benchmarks/MaterialTransport/one_way_coupling/performancebenchmark/MaterialTransport.cpp

@@ -290,13 +290,13 @@ int main(int argc, char** argv) {
 // TIME LOOP //
 ///////////////
 #ifdef WALBERLA_BUILD_WITH_GPU_SUPPORT
-   initConcentrationField(blocks,densityConcentrationFieldID,simulationDomain,domainSize);
+   initConcentrationField(blocks,densityConcentrationFieldID,simulationDomain,domainSize, true);
    initFluidField(blocks, velFieldFluidID , Uinitialize,domainSize);
    gpu::fieldCpy<gpu::GPUField< real_t >, DensityField_concentration_T>(blocks, densityConcentrationFieldCPUGPUID,densityConcentrationFieldID);
    gpu::fieldCpy< gpu::GPUField< real_t >, VelocityField_fluid_T >(blocks, velFieldFluidCPUGPUID, velFieldFluidID);
 
 #else
-   initConcentrationField(blocks,densityConcentrationFieldCPUGPUID,simulationDomain,domainSize);
+   initConcentrationField(blocks,densityConcentrationFieldCPUGPUID,simulationDomain,domainSize,true);
    initFluidField(blocks, velFieldFluidCPUGPUID, Uinitialize,domainSize);
 
 #endif

apps/benchmarks/MaterialTransport/one_way_coupling/performancebenchmark/benchmark.prm

@@ -9,9 +9,9 @@ NumericalSetup
     periodicInY false;
     periodicInZ false;
 
-    numXCellsPerBlock 128;
+    numXCellsPerBlock 256;
     numYCellsPerBlock 128;
-    numZCellsPerBlock 256;
+    numZCellsPerBlock 128;
 
     timeSteps 1000;
 
@@ -26,7 +26,7 @@ NumericalSetup
 
 Output
 {
-    vtkSpacing 0;
+    vtkSpacing 100;
     vtkFolder vtk_out;
 
     performanceLogFrequency 500;