Updating code.

Author: behzadmehmood

vpr/src/place/net_cost_handler.cpp

@@ -54,6 +54,9 @@ enum class NetUpdateState {
 
 const int MAX_FANOUT_CROSSING_COUNT = 50;
 
+double cong_matrix[400][400];
+double cong_matrix_new[400][400];
+
 /**
  * @brief Crossing counts for nets with different #'s of pins.  From
  * ICCAD 94 pp. 690 - 695 (with linear interpolation applied by me).
@@ -458,10 +461,6 @@ static double get_net_cost(ClusterNetId net_id, const t_bb& bb);
  */
 static double get_net_wirelength_estimate(ClusterNetId net_id, const t_bb& bb);
 
-static void get_cong_matrix(ClusterNetId net_id, const t_bb& bb);
-
-static double get_cong_cost(double chan_width)
-
 /**
  * @brief To mitigate round-off errors, every once in a while, the costs of nets are summed up from scratch.
  * This functions is called to do that for bb cost. It doesn't calculate the BBs from scratch, it would only add the costs again.
@@ -1846,7 +1845,7 @@ static double get_net_wirelength_estimate(ClusterNetId net_id, const t_bb& bb) {
     return (ncost);
 }
 
-static void get_cong_matrix(ClusterNetId net_id, const t_bb& bb) {
+void get_cong_matrix(ClusterNetId net_id, const t_bb& bb) {
     /* Finds the cost due to one net by looking at its coordinate bounding  *
      * box.                                                                 */
     // auto& cluster_ctx = g_vpr_ctx.clustering();
@@ -1865,7 +1864,7 @@ static void get_cong_matrix(ClusterNetId net_id, const t_bb& bb) {
 }
 
 
-static double get_cong_cost(double chan_width) {
+double get_cong_cost(double chan_width) {
     auto& device_ctx = g_vpr_ctx.device();
     double max = 0.0;
     double avg = 1e-4,var=0.0;

vpr/src/place/net_cost_handler.h

@@ -147,3 +147,7 @@ void init_try_swap_net_cost_structs(size_t num_nets, bool cube_bb);
  * @brief Free (layer_)ts_bb_edge_new, (layer_)ts_bb_coord_new, ts_layer_sink_pin_count, and ts_nets_to_update data structures.
  */
 void free_try_swap_net_cost_structs();
+
+void get_cong_matrix(ClusterNetId net_id, const t_bb& bb);
+
+double get_cong_cost(double chan_width);

vpr/src/place/place.cpp

@@ -111,9 +111,6 @@ static int num_swap_accepted = 0;
 static int num_swap_aborted = 0;
 static int num_ts_called = 0;
 
-double cong_matrix[400][400];
-double cong_matrix_new[400][400];
-
 float congestion_tradeoff = 1.0;
 
 std::unique_ptr<FILE, decltype(&vtr::fclose)> f_move_stats_file(nullptr,