Fix printing performance:

bucket.c

@@ -63,9 +63,6 @@ int main(int argc, char** argv) {
     }
     int NbElmts = atoi(argv[1]); //ukuran array utama
 
-    FILE *fp;
-    fp = fopen("performance", "w+");
-
     MPI_Init(NULL, NULL);
 
     int world_rank;
@@ -107,7 +104,6 @@ int main(int argc, char** argv) {
         for(int i=0;i<world_size;i++) {
             memcpy(rand_all + (i * bucket_size), &sub_rand_nums_all[i], sizeof(int) * bucket_size);
         }
-
     }
 
     int *sub_rand_nums = malloc(sizeof(int) * bucket_size);
@@ -115,12 +111,15 @@ int main(int argc, char** argv) {
     double total_time = 0.0;
 
     MPI_Barrier(MPI_COMM_WORLD);
+
+    /* Start timer */
     total_time -= MPI_Wtime();
     MPI_Scatter(rand_all, bucket_size, MPI_INT, sub_rand_nums,
             bucket_size, MPI_INT, 0, MPI_COMM_WORLD);
 
 
     int swap;
+
     // Buble Sort
     for (int c = 0 ; c < ( bucket_size - 1 ); c++)
     {
@@ -136,8 +135,7 @@ int main(int argc, char** argv) {
     }
 
     total_time += MPI_Wtime();
-
-    fprintf(fp, "%d = %f ms\n", world_rank, total_time*1000);
+    /* End timer */
 
     int *all_new = NULL;
 
@@ -152,13 +150,14 @@ int main(int argc, char** argv) {
         for(int i=0;i<NbElmts;i++) {
             printf("%d, ",rand_nums[i]);
         }
-        printf("\n");
+
+        printf("\n\n");
         printf("Sorted Array : \n");
         for(int i=0;i<NbElmts;i++) {
             printf("%d, ",all_new[i]);
         }
         printf("\n\n");
-
+        printf("---PERFORMANCE---\n");
     }
 
     MPI_Barrier(MPI_COMM_WORLD);
@@ -169,10 +168,10 @@ int main(int argc, char** argv) {
     }
 
     free(sub_rand_nums);
-    MPI_Barrier(MPI_COMM_WORLD);
+
     MPI_Finalize();
 
-    fclose(fp);
+    printf("Process-%d = %f \n",world_rank ,total_time * 1000);
 
     return 0;
 }

performance

-1 = 0.429869 ms
+0 = 0.060081 ms