Merge pull request #2561 from The-OpenROAD-Project-staging/open-fast_route

Always run fast_route in open.tcl

Author: maliberty

flow/scripts/open.tcl

@@ -51,8 +51,6 @@ proc read_timing {input_file} {
     log_cmd estimate_parasitics -placement
   }
 
-  fast_route
-
   puts "Populating timing paths..."
   # Warm up OpenSTA, so clicking on timing related buttons reacts faster
   set _tmp [find_timing_paths]
@@ -63,6 +61,8 @@ if {[env_var_equals GUI_TIMING 1]} {
   read_timing $input_file
 }
 
+fast_route
+
 if {[env_var_equals GUI_SHOW 1]} {
   # Show the GUI when it is ready; it is unresponsive(with modal requesters
   # saying it is unresponsive) until everything is loaded