Add C++ timer for mesh reading and time integration

Author: ImperatorS79

srcs/main.cpp

@@ -1,3 +1,4 @@
+#include <chrono>
 #include <iostream>
 #include <string>
 #if defined(_OPENMP)
@@ -47,14 +48,22 @@ int main(int argc, char **argv)
                 << std::endl
                 << "================================================================"
                 << std::endl;
+
     Mesh mesh;
+    auto startTime = std::chrono::high_resolution_clock::now();
     if(!readMesh(mesh, std::string(argv[1]), solverParams.spaceIntType,
         solverParams.basisFuncType))
     {
         std::cerr   << "Something went wrong when reading mesh file: "
                     << argv[1] << std::endl;
         return -1;
-   }
+    }
+    auto endTime = std::chrono::high_resolution_clock::now();
+    auto ellapsedTime = std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime);
+
+    std::cout << "Ellapsed time for mesh reading: "
+              << static_cast<double>(ellapsedTime.count())/1000.0
+              << " s" << std::endl;
 
    // displayMesh(mesh);
     std::cout   << "================================================================"
@@ -63,11 +72,19 @@ int main(int argc, char **argv)
                 << std::endl
                 << "================================================================"
                 << std::endl;
+
+    startTime = std::chrono::high_resolution_clock::now();
     if(!timeInteg(mesh, solverParams, std::string(argv[1])))
     {
         std::cerr   << "Something went wrong when time integrating" << std::endl;
         return -1;
     }
+    endTime = std::chrono::high_resolution_clock::now();
+    ellapsedTime = std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime);
+
+    std::cout << "Ellapsed time for time integration: "
+              << static_cast<double>(ellapsedTime.count())/1000.0
+              << " s" << std::endl;
 
     return 0;
 }

srcs/solver/timeInteg.cpp

@@ -213,7 +213,6 @@ bool timeInteg(const Mesh& mesh, const SolverParams& solverParams,
 	for(unsigned int nbrStep = 1 ; nbrStep < nTimeSteps + 1 ;
 		nbrStep++)
 	{
-
   		// display progress
 		ratio = int(100*double(nbrStep - 1)/double(nTimeSteps));
         if(ratio >= currentDecade)
@@ -223,10 +222,8 @@ bool timeInteg(const Mesh& mesh, const SolverParams& solverParams,
             currentDecade = ratio + 1;
         }
 
-
         integScheme(t, field, partialField, matrix, mesh, solverParams, temp, usedF);
 
-
 		// check that it does not diverge
 		// assert(field.u[0].maxCoeff() <= 1E5);