mpl: better comments for minimumTargetUtil

joaomai · joaomai · commit df8c764ec706 · 2025-09-04T13:38:54.000Z
Signed-off-by: João Mai &lt;jmai@precisioninno.com&gt;
diff --git a/src/mpl/src/hier_rtlmp.cpp b/src/mpl/src/hier_rtlmp.cpp
@@ -1529,9 +1529,11 @@ void HierRTLMP::placeChildren(Cluster* parent, bool ignore_std_cell_area)
       }
     }
   } else {
+    // A high target util minimizes the std cells area inside mixed clusters
     const float target_util = 1e6;
+    // A dead space closer to 1 minizes the std cell cluster area
     const float target_dead_space = 0.99999;
-    
+
     target_utils.push_back(target_util);
     target_dead_spaces.push_back(target_dead_space);
   }

Original file line number	Diff line number	Diff line change
`@@ -1529,9 +1529,11 @@ void HierRTLMP::placeChildren(Cluster* parent, bool ignore_std_cell_area)`
`1529`	`1529`	`}`
`1530`	`1530`	`}`
`1531`	`1531`	`} else {`
	`1532`	`+ // A high target util minimizes the std cells area inside mixed clusters`
`1532`	`1533`	`const float target_util = 1e6;`
	`1534`	`+ // A dead space closer to 1 minizes the std cell cluster area`
`1533`	`1535`	`const float target_dead_space = 0.99999;`
`1534`		`-`
	`1536`	`+`
`1535`	`1537`	`target_utils.push_back(target_util);`
`1536`	`1538`	`target_dead_spaces.push_back(target_dead_space);`
`1537`	`1539`	`}`