DPL negotiation default algorithm

docs/user/FlowVariables.md

@@ -140,6 +140,7 @@ configuration file.
 | <a name="DISABLE_VIA_GEN"></a>DISABLE_VIA_GEN| Passed as -disable_via_gen to detailed_route.| |
 | <a name="DONT_BUFFER_PORTS"></a>DONT_BUFFER_PORTS| Do not buffer input/output ports during floorplanning.| 0|
 | <a name="DONT_USE_CELLS"></a>DONT_USE_CELLS| Dont use cells eases pin access in detailed routing.| |
+| <a name="DPL_USE_OLD_DIAMOND"></a>DPL_USE_OLD_DIAMOND| Use the former diamond search legalizer for detailed placement instead of the default negotiation legalizer.| 0|
 | <a name="DPO_MAX_DISPLACEMENT"></a>DPO_MAX_DISPLACEMENT| Specifies how far an instance can be moved when optimizing.| 5 1|
 | <a name="EARLY_SIZING_CAP_RATIO"></a>EARLY_SIZING_CAP_RATIO| Ratio between the input pin capacitance and the output pin load during initial gate sizing.| |
 | <a name="ENABLE_DPO"></a>ENABLE_DPO| Enable detail placement with improve_placement feature.| 1|
@@ -321,7 +322,6 @@ 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.| |
@@ -462,6 +462,7 @@ configuration file.
 - [CLUSTER_FLOPS_ARGS](#CLUSTER_FLOPS_ARGS)
 - [DETAIL_PLACEMENT_ARGS](#DETAIL_PLACEMENT_ARGS)
 - [DONT_BUFFER_PORTS](#DONT_BUFFER_PORTS)
+- [DPL_USE_OLD_DIAMOND](#DPL_USE_OLD_DIAMOND)
 - [EARLY_SIZING_CAP_RATIO](#EARLY_SIZING_CAP_RATIO)
 - [FLOORPLAN_DEF](#FLOORPLAN_DEF)
 - [GLOBAL_PLACEMENT_ARGS](#GLOBAL_PLACEMENT_ARGS)
@@ -507,6 +508,7 @@ configuration file.
 - [CTS_SNAPSHOT](#CTS_SNAPSHOT)
 - [CTS_SNAPSHOTS](#CTS_SNAPSHOTS)
 - [DETAILED_METRICS](#DETAILED_METRICS)
+- [DPL_USE_OLD_DIAMOND](#DPL_USE_OLD_DIAMOND)
 - [HOLD_SLACK_MARGIN](#HOLD_SLACK_MARGIN)
 - [LEC_AUX_VERILOG_FILES](#LEC_AUX_VERILOG_FILES)
 - [LEC_CHECK](#LEC_CHECK)
@@ -531,6 +533,7 @@ configuration file.
 
 - [CELL_PAD_IN_SITES_DETAIL_PLACEMENT](#CELL_PAD_IN_SITES_DETAIL_PLACEMENT)
 - [DETAILED_METRICS](#DETAILED_METRICS)
+- [DPL_USE_OLD_DIAMOND](#DPL_USE_OLD_DIAMOND)
 - [ENABLE_RESISTANCE_AWARE](#ENABLE_RESISTANCE_AWARE)
 - [GLOBAL_ROUTE_ARGS](#GLOBAL_ROUTE_ARGS)
 - [HOLD_SLACK_MARGIN](#HOLD_SLACK_MARGIN)
@@ -660,5 +663,4 @@ configuration file.
 - [TAP_CELL_NAME](#TAP_CELL_NAME)
 - [TECH_LEF](#TECH_LEF)
 - [USE_FILL](#USE_FILL)
-- [USE_NEGOTIATION](#USE_NEGOTIATION)
 

flow/designs/asap7/gcd-ccs/rules-base.json

@@ -28,11 +28,11 @@
         "compare": "<="
     },
     "cts__timing__setup__ws": {
-        "value": -63.5,
+        "value": -63.4,
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -773.0,
+        "value": -768.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -48,11 +48,11 @@
         "compare": "<="
     },
     "globalroute__timing__setup__ws": {
-        "value": -63.5,
+        "value": -63.4,
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -771.0,
+        "value": -766.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -84,7 +84,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -1270.0,
+        "value": -1430.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

flow/designs/asap7/gcd/rules-base.json

@@ -52,7 +52,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -1790.0,
+        "value": -2050.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -64,7 +64,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 1324,
+        "value": 1947,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -84,7 +84,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -1570.0,
+        "value": -1820.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

flow/designs/asap7/ibex/rules-base.json

@@ -32,7 +32,7 @@
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -1630.0,
+        "value": -13700.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -96,7 +96,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 2816,
+        "value": 2810,
         "compare": "<="
     }
 }

flow/designs/asap7/riscv32i-mock-sram/rules-base.json

@@ -48,11 +48,11 @@
         "compare": "<="
     },
     "globalroute__timing__setup__ws": {
-        "value": -56.5,
+        "value": -47.5,
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -407.0,
+        "value": -190.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -84,7 +84,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -298.0,
+        "value": -1330.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

flow/designs/asap7/uart/rules-base.json

@@ -64,7 +64,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 1673,
+        "value": 1973,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -80,11 +80,11 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": -52.4,
+        "value": -47.3,
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -1320.0,
+        "value": -1210.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

flow/designs/gf180/ibex/rules-base.json

@@ -84,7 +84,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -2.22,
+        "value": -4.76,
         "compare": ">="
     },
     "finish__timing__hold__ws": {
@@ -96,7 +96,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 764974,
+        "value": 764104,
         "compare": "<="
     }
 }

flow/designs/ihp-sg13g2/i2c-gpio-expander/rules-base.json

@@ -64,7 +64,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 37489,
+        "value": 44583,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {

flow/designs/ihp-sg13g2/ibex/rules-base.json

@@ -1,6 +1,6 @@
 {
     "synth__design__instance__area__stdcell": {
-        "value": 280000.0,
+        "value": 278000.0,
         "compare": "<="
     },
     "constraints__clocks__count": {
@@ -12,7 +12,7 @@
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
-        "value": 20659,
+        "value": 20256,
         "compare": "<="
     },
     "detailedplace__design__violations": {
@@ -64,7 +64,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 895142,
+        "value": 1137972,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {

flow/designs/ihp-sg13g2/spi/rules-base.json

@@ -64,7 +64,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 3972,
+        "value": 4623,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {

flow/designs/nangate45/ariane133/rules-base.json

@@ -8,7 +8,7 @@
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 827643,
+        "value": 827361,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
@@ -32,7 +32,7 @@
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -502.0,
+        "value": -556.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -52,7 +52,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -556.0,
+        "value": -642.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -84,7 +84,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -549.0,
+        "value": -604.0,
         "compare": ">="
     },
     "finish__timing__hold__ws": {
@@ -96,7 +96,7 @@
         "compare": ">="
     },
     "finish__design__instance__area": {
-        "value": 837050,
+        "value": 836289,
         "compare": "<="
     }
 }

flow/designs/nangate45/bp_fe_top/rules-base.json

@@ -80,11 +80,11 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": -0.15,
+        "value": -0.14,
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -1.58,
+        "value": -1.95,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

flow/designs/nangate45/jpeg/rules-base.json

@@ -1,6 +1,6 @@
 {
     "synth__design__instance__area__stdcell": {
-        "value": 102000.0,
+        "value": 99800.0,
         "compare": "<="
     },
     "constraints__clocks__count": {
@@ -12,27 +12,27 @@
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
-        "value": 68509,
+        "value": 68139,
         "compare": "<="
     },
     "detailedplace__design__violations": {
         "value": 0,
         "compare": "=="
     },
     "cts__design__instance__count__setup_buffer": {
-        "value": 5957,
+        "value": 5925,
         "compare": "<="
     },
     "cts__design__instance__count__hold_buffer": {
-        "value": 5957,
+        "value": 5925,
         "compare": "<="
     },
     "cts__timing__setup__ws": {
         "value": -0.139,
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -54.6,
+        "value": -43.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -52,7 +52,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -66.5,
+        "value": -52.7,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {
@@ -64,7 +64,7 @@
         "compare": ">="
     },
     "detailedroute__route__wirelength": {
-        "value": 631144,
+        "value": 767282,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -84,7 +84,7 @@
         "compare": ">="
     },
     "finish__timing__setup__tns": {
-        "value": -53.3,
+        "value": -46.7,
         "compare": ">="
     },
     "finish__timing__hold__ws": {

flow/designs/nangate45/mempool_group/rules-base.json

@@ -32,7 +32,7 @@
         "compare": ">="
     },
     "cts__timing__setup__tns": {
-        "value": -12000.0,
+        "value": -12100.0,
         "compare": ">="
     },
     "cts__timing__hold__ws": {
@@ -52,7 +52,7 @@
         "compare": ">="
     },
     "globalroute__timing__setup__tns": {
-        "value": -14000.0,
+        "value": -12100.0,
         "compare": ">="
     },
     "globalroute__timing__hold__ws": {

flow/designs/nangate45/swerv/config.mk

@@ -4,7 +4,7 @@ export PLATFORM    = nangate45
 export VERILOG_FILES = $(DESIGN_HOME)/src/$(DESIGN_NAME)/swerv_wrapper.sv2v.v
 export SDC_FILE      = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NAME)/constraint.sdc
 
-export CORE_UTILIZATION = 65
+export CORE_UTILIZATION = 64
 export CORE_ASPECT_RATIO = 1
 export CORE_MARGIN = 5