Add timer to print the overall time and the time used for one trustregion step

dune/elasticity/common/trustregionsolver.cc

@@ -259,6 +259,8 @@ void TrustRegionSolver<BasisType,VectorType>::solve()
     CorrectionType rhs;
     MatrixType stiffnessMatrix;
 
+    Dune::Timer problemTimer;
+
     for (int i=0; i<maxTrustRegionSteps_; i++) {
 
         Dune::Timer totalTimer;
@@ -515,5 +517,7 @@ void TrustRegionSolver<BasisType,VectorType>::solve()
 
         std::cout << "iteration took " << totalTimer.elapsed() << " sec." << std::endl;
     }
+    if (rank==0)
+        std::cout << "The whole trust-region step took " << problemTimer.elapsed() << " sec." << std::endl;
 
 }

src/finite-strain-elasticity.cc

@@ -241,6 +241,7 @@ int main (int argc, char *argv[]) try
   vtkWriter.addVertexData(localDisplacementFunction, VTK::FieldInfo("displacement", VTK::FieldInfo::Type::vector, dim));
   vtkWriter.write(resultPath + "finite-strain_homotopy_0");
 
+  Dune::Timer homotopyTimer;
   for (int i=0; i<numHomotopySteps; i++)
   {
     double homotopyParameter = (i+1)*(1.0/numHomotopySteps);
@@ -384,6 +385,9 @@ int main (int argc, char *argv[]) try
     vtkWriter.write(resultPath + "finite-strain_homotopy_" + std::to_string(i+1));
   }
 
+  if (mpiHelper.rank()==0)
+    std::cout << "Complete duration: " << homotopyTimer.elapsed() << " sec." << std::endl;
+
 } catch (Exception& e) {
     std::cout << e.what() << std::endl;
 }