The-OpenROAD-Project · maliberty · Jul 15, 2026 · Apr 22, 2026 · Apr 22, 2026 · Apr 23, 2026
diff --git a/docs/user/FlowVariables.md b/docs/user/FlowVariables.md
@@ -326,7 +326,6 @@ configuration file.
 | <a name="TNS_END_PERCENT"></a>TNS_END_PERCENT| Default TNS_END_PERCENT value for post CTS timing repair. Try fixing all violating endpoints by default (reduce to 5% for runtime). Specifies how many percent of violating paths to fix [0-100]. Worst path will always be fixed.| 100|
 | <a name="UNSET_ABC9_BOX_CELLS"></a>UNSET_ABC9_BOX_CELLS| List of cells to unset the abc9_box attribute on| |
 | <a name="USE_FILL"></a>USE_FILL| Whether to perform metal density filling.| 0|
-| <a name="USE_NEGOTIATION"></a>USE_NEGOTIATION| Enable using negotiation legalizer for detailed placement.| 0|
 | <a name="VERILOG_DEFINES"></a>VERILOG_DEFINES| Preprocessor defines passed to the language frontend. Example: `-D HPDCACHE_ASSERT_OFF`| |
 | <a name="VERILOG_FILES"></a>VERILOG_FILES| The path to the design Verilog/SystemVerilog files providing a description of modules.| |
 | <a name="VERILOG_INCLUDE_DIRS"></a>VERILOG_INCLUDE_DIRS| Specifies the include directories for the Verilog input files.| |
@@ -671,5 +670,4 @@ configuration file.
 - [TAP_CELL_NAME](#TAP_CELL_NAME)
 - [TECH_LEF](#TECH_LEF)
 - [USE_FILL](#USE_FILL)
-- [USE_NEGOTIATION](#USE_NEGOTIATION)
 
diff --git a/flow/designs/asap7/ethmac/rules-base.json b/flow/designs/asap7/ethmac/rules-base.json
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -1870.0,
+        "value": -2120.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -1500.0,
+        "value": -1650.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

diff --git a/flow/designs/asap7/ethmac_lvt/rules-base.json b/flow/designs/asap7/ethmac_lvt/rules-base.json
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -308.0,
+        "value": -303.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -60.2,
+        "value": -121.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

diff --git a/flow/designs/asap7/mock-alu/rules-base.json b/flow/designs/asap7/mock-alu/rules-base.json
@@ -42,7 +42,7 @@
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -18100.0,
+        "value": -18500.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -19400.0,
+        "value": -20000.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -90,11 +90,11 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": -300.0,
+        "value": -299.0,
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -19700.0,
+        "value": -19900.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

diff --git a/flow/designs/gf180/aes-hybrid/rules-base.json b/flow/designs/gf180/aes-hybrid/rules-base.json
@@ -42,7 +42,7 @@
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -122.0,
+        "value": -124.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -135.0,
+        "value": -141.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -130.0,
+        "value": -138.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

diff --git a/flow/designs/gf180/aes/rules-base.json b/flow/designs/gf180/aes/rules-base.json
@@ -42,7 +42,7 @@
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -87.3,
+        "value": -85.9,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -100.0,
+        "value": -105.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -97.6,
+        "value": -103.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

diff --git a/flow/designs/ihp-sg13g2/ibex/rules-base.json b/flow/designs/ihp-sg13g2/ibex/rules-base.json
@@ -18,23 +18,23 @@
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 306794,
+        "value": 306205,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
-        "value": 20278,
+        "value": 20217,
         "compare": "<="
     },
     "detailedplace__design__violations": {
         "value": 0,
         "compare": "=="
     },
     "cts__design__instance__count__setup_buffer": {
-        "value": 1763,
+        "value": 1758,
         "compare": "<="
     },
     "cts__design__instance__count__hold_buffer": {
-        "value": 1763,
+        "value": 1758,
         "compare": "<="
     },
     "cts__timing__setup__ws": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -1.6,
+        "value": -3.55,
         "compare": ">="
     },
     "finish__timing__hold__ws": {
@@ -106,7 +106,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 327350,
+        "value": 326753,
         "compare": "<="
     }
 }
diff --git a/flow/designs/ihp-sg13g2/spi/rules-base.json b/flow/designs/ihp-sg13g2/spi/rules-base.json
@@ -74,7 +74,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 3972,
+        "value": 4630,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {

diff --git a/flow/designs/nangate45/ariane133/rules-base.json b/flow/designs/nangate45/ariane133/rules-base.json
@@ -38,11 +38,11 @@
         "compare": "<="
     },
     "cts__timing__setup__ws": {
-        "value": -0.574,
+        "value": -0.569,
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -743.0,
+        "value": -760.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -994.0,
+        "value": -798.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -1010.0,
+        "value": -881.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

diff --git a/flow/designs/nangate45/jpeg/rules-base.json b/flow/designs/nangate45/jpeg/rules-base.json
@@ -18,31 +18,31 @@
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 103034,
+        "value": 102921,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
-        "value": 68147,
+        "value": 68062,
         "compare": "<="
     },
     "detailedplace__design__violations": {
         "value": 0,
         "compare": "=="
     },
     "cts__design__instance__count__setup_buffer": {
-        "value": 5926,
+        "value": 5918,
         "compare": "<="
     },
     "cts__design__instance__count__hold_buffer": {
-        "value": 5926,
+        "value": 5918,
         "compare": "<="
     },
     "cts__timing__setup__ws": {
         "value": -0.147,
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -39.1,
+        "value": -42.1,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -47.7,
+        "value": -52.9,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -74,7 +74,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 654704,
+        "value": 757284,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -43.5,
+        "value": -49.1,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

diff --git a/flow/designs/nangate45/mempool_group/rules-base.json b/flow/designs/nangate45/mempool_group/rules-base.json
@@ -42,7 +42,7 @@
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -14900.0,
+        "value": -12200.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -12400.0,
+        "value": -12200.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -94,19 +94,19 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -13600.0,
+        "value": -11900.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {
         "value": -0.15,
         "compare": ">="
     },
     "finish__timing__hold__tns": {
-        "value": -1.02,
+        "value": -1.7,
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 453697,
+        "value": 453619,
         "compare": "<="
     }
 }
diff --git a/flow/designs/nangate45/swerv/rules-base.json b/flow/designs/nangate45/swerv/rules-base.json
@@ -58,11 +58,11 @@
         "compare": "<="
     },
     "globalroute__timing__setup__ws": {
-        "value": -0.699,
+        "value": -0.671,
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -299.0,
+        "value": -351.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -90,11 +90,11 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": -0.672,
+        "value": -0.627,
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -359.0,
+        "value": -352.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

diff --git a/flow/designs/nangate45/swerv_wrapper/rules-base.json b/flow/designs/nangate45/swerv_wrapper/rules-base.json
@@ -38,11 +38,11 @@
         "compare": "<="
     },
     "cts__timing__setup__ws": {
-        "value": -0.335,
+        "value": -0.331,
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -237.0,
+        "value": -238.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -62,7 +62,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -230.0,
+        "value": -229.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -94,7 +94,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -211.0,
+        "value": -208.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {