change the place of start the timer

src/support/mo_math_utilities.cpp

@@ -8,6 +8,9 @@ void tdma_solver_vec(double *a, double *b, double *c, double *d,
                      int slev, int elev, int startidx, int endidx,
                      double* varout, int opt_acc_queue = -1) {
 
+    // Start timing
+    auto start_time = std::chrono::high_resolution_clock::now();
+
     int acc_queue = (opt_acc_queue == -1) ? 1 : opt_acc_queue; // Use 1 as the default if opt_acc_queue is not provided
 
     // Determine array sizes based on startidx and endidx