inflate less, modify bp_be_top density

gudeh · gudeh · commit f253a1d4d234 · 2025-01-03T18:51:02.000Z
Signed-off-by: Augusto Berndt &lt;augusto.berndt@precisioninno.com&gt;
diff --git a/flow/designs/nangate45/bp_be_top/config.mk b/flow/designs/nangate45/bp_be_top/config.mk
@@ -29,5 +29,5 @@ export PLACE_PINS_ARGS = -exclude left:500-800 -exclude right:500-800 -exclude t
 export MACRO_PLACE_HALO = 10 10
 export MACRO_PLACE_CHANNEL = 20 20
 
-export PLACE_DENSITY_LB_ADDON = 0.15
+export PLACE_DENSITY = 0.36
 export TNS_END_PERCENT        = 100
diff --git a/flow/scripts/global_place.tcl b/flow/scripts/global_place.tcl
@@ -12,6 +12,8 @@ set global_placement_args {}
 # Parameters for routability mode in global placement
 if {$::env(GPL_ROUTABILITY_DRIVEN)} {
   lappend global_placement_args {-routability_driven}
+  lappend global_placement_args {-routability_max_inflation_ratio} 6
+  lappend global_placement_args {-routability_inflation_ratio_coef} 3
 }
 
 # Parameters for timing driven mode in global placement

Original file line number	Diff line number	Diff line change
`@@ -12,6 +12,8 @@ set global_placement_args {}`
`12`	`12`	`# Parameters for routability mode in global placement`
`13`	`13`	`if {$::env(GPL_ROUTABILITY_DRIVEN)} {`
`14`	`14`	`lappend global_placement_args {-routability_driven}`
	`15`	`+ lappend global_placement_args {-routability_max_inflation_ratio} 6`
	`16`	`+ lappend global_placement_args {-routability_inflation_ratio_coef} 3`
`15`	`17`	`}`
`16`	`18`
`17`	`19`	`# Parameters for timing driven mode in global placement`