Misc

sequential/jacobi.conf

@@ -1,7 +1,7 @@
 # Configuration file for the Jacobi project.
 
 # The size of the matrix (borders excluded).
-N 5000
+N 3000
 
 # The value at each border.
 NORTH 0.0

sequential/jacobi_sequential.c

@@ -9,7 +9,7 @@
 #include "../config/config.h"
 #include "../utils/utils.h"
 
-void compute_jacobi(int n, double init_value, double threshold, borders b);
+double **compute_jacobi(int n, double init_value, double threshold, borders b);
 
 int main(int argc, char* argv[]) {
   int numprocs;
@@ -17,6 +17,7 @@ int main(int argc, char* argv[]) {
   configuration config;
   borders b;
   double startwtime = 0.0, endwtime;
+  double **x;
 
   MPI_Init(&argc, &argv);
   MPI_Comm_size(MPI_COMM_WORLD, &numprocs);
@@ -36,17 +37,18 @@ int main(int argc, char* argv[]) {
   b.west = config.west;
 
   startwtime = MPI_Wtime();
-  compute_jacobi(config.n, config.init_value, config.threshold, b);
+  x = compute_jacobi(config.n, config.init_value, config.threshold, b);
 
   endwtime = MPI_Wtime();
   printf("Wall clock time: %fs\n", endwtime - startwtime);
 
+  destroy_matrix(x, config.n + 2);
   MPI_Finalize();
 
   return 0;
 }
 
-void compute_jacobi(int n, double init_value, double threshold, borders b) {
+double **compute_jacobi(int n, double init_value, double threshold, borders b) {
   double **x;
   double max_diff, new_x;
   int i, j;
@@ -76,6 +78,5 @@ void compute_jacobi(int n, double init_value, double threshold, borders b) {
       }
     }
   } while (max_diff > threshold);
-
-  destroy_matrix(x, n + 2);
+  return x;
 }