[lib][rr_graph] pass template_id when creating rr graph switch

Author: amin1377

libs/librrgraph/src/base/rr_switch.h

@@ -31,6 +31,12 @@ struct t_rr_switch_inf {
     e_power_buffer_type power_buffer_type = POWER_BUFFER_TYPE_UNDEFINED;
     float power_buffer_size = 0.;
 
+    // The template ID of the switch. This is metadata stored for each switch to
+    // simplify certain analyses. For example, when generating the CRR graph, the
+    // template ID is used to determine which switch in the template is used most
+    // or least frequently.
+    std::string template_id = "";
+
     /// Indicate whether this rr_switch is a switch type used inside clusters.
     /// These switch types are not specified in the architecture description file
     /// and are added when flat router is enabled.

vpr/src/route/rr_graph_generation/rr_graph_switch_utils.cpp

@@ -116,6 +116,8 @@ void load_rr_switch_from_arch_switch(RRGraphBuilder& rr_graph_builder,
     rr_graph_builder.rr_switch()[rr_switch_idx].name = arch_sw_inf.at(arch_switch_idx).name;
     rr_graph_builder.rr_switch()[rr_switch_idx].power_buffer_type = arch_sw_inf.at(arch_switch_idx).power_buffer_type;
     rr_graph_builder.rr_switch()[rr_switch_idx].power_buffer_size = arch_sw_inf.at(arch_switch_idx).power_buffer_size;
+
+    rr_graph_builder.rr_switch()[rr_switch_idx].template_id = arch_sw_inf.at(arch_switch_idx).template_id;
 }
 
 t_rr_switch_inf create_rr_switch_from_arch_switch(const t_arch_switch_inf& arch_sw_inf,
@@ -146,6 +148,8 @@ t_rr_switch_inf create_rr_switch_from_arch_switch(const t_arch_switch_inf& arch_
     rr_switch_inf.power_buffer_type = arch_sw_inf.power_buffer_type;
     rr_switch_inf.power_buffer_size = arch_sw_inf.power_buffer_size;
 
+    rr_switch_inf.template_id = arch_sw_inf.template_id;
+
     rr_switch_inf.intra_tile = arch_sw_inf.intra_tile;
 
     return rr_switch_inf;