[vpr][route][crr] remove all_connections field from crr conneciton builder

Author: amin1377

vpr/src/route/rr_graph_generation/tileable_rr_graph/crr_generator/crr_connection_builder.cpp

@@ -30,10 +30,9 @@ CRRConnectionBuilder::CRRConnectionBuilder(const RRGraphView& rr_graph,
     , node_lookup_(node_lookup)
     , sb_manager_(sb_manager) {}
 
-void CRRConnectionBuilder::initialize(
-    int fpga_grid_x,
-    int fpga_grid_y,
-    bool is_annotated) {
+void CRRConnectionBuilder::initialize(int fpga_grid_x,
+                                      int fpga_grid_y,
+                                      bool is_annotated) {
 
     fpga_grid_x_ = fpga_grid_x;
     fpga_grid_y_ = fpga_grid_y;
@@ -44,9 +43,6 @@ void CRRConnectionBuilder::initialize(
     total_locations_ = static_cast<size_t>(fpga_grid_x_ * fpga_grid_y_) - 4;
     processed_locations_ = 0;
 
-    all_connections_.resize(static_cast<size_t>(fpga_grid_x_ + 1),
-                            std::vector<std::vector<Connection>>(static_cast<size_t>(fpga_grid_y_ + 1)));
-
     VTR_LOG("CRRConnectionBuilder initialized for %d x %d grid (%zu locations)\n",
             fpga_grid_x_, fpga_grid_y_, total_locations_);
 }

vpr/src/route/rr_graph_generation/tileable_rr_graph/crr_generator/crr_connection_builder.h

@@ -13,10 +13,6 @@ namespace crrgenerator {
 /**
  * @brief Builds connections between routing nodes based on switch block
  * configurations
- *
- * This class processes switch block configurations and generates routing
- * connections between nodes, supporting both parallel and sequential
- * processing.
  */
 class CRRConnectionBuilder {
   public:
@@ -42,37 +38,6 @@ class CRRConnectionBuilder {
      */
     std::vector<Connection> get_tile_connections(size_t tile_x, size_t tile_y) const;
 
-    /**
-     * @brief Get all generated connections
-     * @return Vector of all connections
-     */
-    const std::vector<std::vector<std::vector<Connection>>>& get_all_connections() const {
-        return all_connections_;
-    }
-
-    /**
-     * @brief Get connection count
-     * @return Number of connections generated
-     */
-    size_t get_connection_count() const {
-        size_t count = 0;
-        for (const auto& x : all_connections_) {
-            for (const auto& y : x) {
-                count += y.size();
-            }
-        }
-        return count;
-    }
-
-    /**
-     * @brief Clear all connections
-     */
-    void clear() { all_connections_.clear(); }
-    void remove_tile_connections(int x, int y) {
-        all_connections_[static_cast<size_t>(x)][static_cast<size_t>(y)].clear();
-        all_connections_[static_cast<size_t>(x)][static_cast<size_t>(y)].shrink_to_fit();
-    }
-
   private:
     // Info from config
     int fpga_grid_x_;
@@ -84,9 +49,6 @@ class CRRConnectionBuilder {
     const NodeLookupManager& node_lookup_;
     const SwitchBlockManager& sb_manager_;
 
-    // Generated connections
-    std::vector<std::vector<std::vector<Connection>>> all_connections_;
-
     // Processing state
     std::atomic<size_t> processed_locations_{0};
     size_t total_locations_{0};