Merge pull request #2726 from jeffng-or/at-ibex-updates

ibex autotuner updates for gf180, ihp-sg13g2 and sky130hd

Author: maliberty

flow/designs/gf180/ibex/autotuner.json

@@ -3,7 +3,7 @@
     "_SDC_CLK_PERIOD": {
         "type": "float",
         "minmax": [
-            14.0,
+            9.0,
             16.0
         ],
         "step": 0
@@ -35,15 +35,15 @@
     "CELL_PAD_IN_SITES_GLOBAL_PLACEMENT": {
         "type": "int",
         "minmax": [
-            1,
+            0,
             3
         ],
         "step": 1
     },
     "CELL_PAD_IN_SITES_DETAIL_PLACEMENT": {
         "type": "int",
         "minmax": [
-            1,
+            0,
             3
         ],
         "step": 1
@@ -60,7 +60,7 @@
         "type": "float",
         "minmax": [
             0.0,
-            0.1
+            0.2
         ],
         "step": 0
     },
@@ -88,7 +88,7 @@
         ],
         "step": 1
     },
-    "_FR_FILE_PATH": "",
+    "_FR_FILE_PATH": "../../../platforms/gf180/fastroute.tcl",
     "_FR_GR_OVERFLOW": {
         "type": "int",
         "minmax": [

flow/designs/gf180/ibex/metadata-base-ok.json

@@ -5,7 +5,7 @@
   ],
   "cts__clock__skew__hold": 6.58659,
   "cts__clock__skew__setup": 9.499,
-  "cts__cpu__total": 246.38,
+  "cts__cpu__total": 142.36,
   "cts__design__core__area": 1448920.0,
   "cts__design__die__area": 1464380.0,
   "cts__design__instance__area": 785671,
@@ -33,13 +33,13 @@
   "cts__design__violations": 0,
   "cts__flow__errors__count": 0,
   "cts__flow__warnings__count": 1,
-  "cts__mem__peak": 745620.0,
+  "cts__mem__peak": 746200.0,
   "cts__power__internal__total": 1.88169,
   "cts__power__leakage__total": 4.73879e-06,
   "cts__power__switching__total": 1.31076,
   "cts__power__total": 3.19246,
   "cts__route__wirelength__estimated": 1247060.0,
-  "cts__runtime__total": "4:07.14",
+  "cts__runtime__total": "2:22.92",
   "cts__timing__drv__hold_violation_count": 0,
   "cts__timing__drv__max_cap": 0,
   "cts__timing__drv__max_cap_limit": 0.915641,
@@ -52,7 +52,7 @@
   "cts__timing__setup__ws": -1.20452,
   "design__io__hpwl": 140369059,
   "design__violations": 0,
-  "detailedplace__cpu__total": 32.75,
+  "detailedplace__cpu__total": 18.63,
   "detailedplace__design__core__area": 1448920.0,
   "detailedplace__design__die__area": 1464380.0,
   "detailedplace__design__instance__area": 742291,
@@ -78,13 +78,13 @@
   "detailedplace__design__violations": 0,
   "detailedplace__flow__errors__count": 0,
   "detailedplace__flow__warnings__count": 0,
-  "detailedplace__mem__peak": 311892.0,
+  "detailedplace__mem__peak": 313420.0,
   "detailedplace__power__internal__total": 1.5987,
   "detailedplace__power__leakage__total": 4.48716e-06,
   "detailedplace__power__switching__total": 1.19719,
   "detailedplace__power__total": 2.7959,
   "detailedplace__route__wirelength__estimated": 1201760.0,
-  "detailedplace__runtime__total": "0:32.99",
+  "detailedplace__runtime__total": "0:18.87",
   "detailedplace__timing__drv__hold_violation_count": 0,
   "detailedplace__timing__drv__max_cap": 0,
   "detailedplace__timing__drv__max_cap_limit": 0.381284,
@@ -119,7 +119,7 @@
   "detailedroute__route__wirelength__iter:4": 1545437,
   "finish__clock__skew__hold": 6.62705,
   "finish__clock__skew__setup": 9.57012,
-  "finish__cpu__total": 61.14,
+  "finish__cpu__total": 38.94,
   "finish__design__core__area": 1448920.0,
   "finish__design__die__area": 1464380.0,
   "finish__design__instance__area": 798979,
@@ -160,13 +160,13 @@
   "finish__design__sites": 513366,
   "finish__design__sites:GF018hv5v_green_sc9": 513366,
   "finish__flow__errors__count": 0,
-  "finish__flow__warnings__count": 1,
-  "finish__mem__peak": 496852.0,
+  "finish__flow__warnings__count": 0,
+  "finish__mem__peak": 560004.0,
   "finish__power__internal__total": 2.04046,
   "finish__power__leakage__total": 6.28285e-06,
   "finish__power__switching__total": 1.46988,
   "finish__power__total": 3.51035,
-  "finish__runtime__total": "1:01.68",
+  "finish__runtime__total": "0:39.32",
   "finish__timing__drv__hold_violation_count": 0,
   "finish__timing__drv__max_cap": 0,
   "finish__timing__drv__max_cap_limit": 0.908838,
@@ -178,10 +178,10 @@
   "finish__timing__setup__tns": -351.729,
   "finish__timing__setup__ws": -1.42303,
   "finish__timing__wns_percent_delay": -15.101348,
-  "finish_merge__cpu__total": 51.57,
-  "finish_merge__mem__peak": 568840.0,
-  "finish_merge__runtime__total": "0:52.03",
-  "floorplan__cpu__total": 47.68,
+  "finish_merge__cpu__total": 37.05,
+  "finish_merge__mem__peak": 568820.0,
+  "finish_merge__runtime__total": "0:37.32",
+  "floorplan__cpu__total": 26.87,
   "floorplan__design__core__area": 1448920.0,
   "floorplan__design__die__area": 1464380.0,
   "floorplan__design__instance__area": 658847,
@@ -205,29 +205,29 @@
   "floorplan__design__sites:GF018hv5v_green_sc9": 513366,
   "floorplan__flow__errors__count": 0,
   "floorplan__flow__warnings__count": 35,
-  "floorplan__mem__peak": 213760.0,
+  "floorplan__mem__peak": 214196.0,
   "floorplan__power__internal__total": 1.39367,
   "floorplan__power__leakage__total": 3.98891e-06,
   "floorplan__power__switching__total": 0.626858,
   "floorplan__power__total": 2.02053,
-  "floorplan__runtime__total": "0:47.93",
+  "floorplan__runtime__total": "0:27.03",
   "floorplan__timing__setup__tns": 0,
   "floorplan__timing__setup__ws": 0,
-  "floorplan_io__cpu__total": 1.12,
+  "floorplan_io__cpu__total": 0.69,
   "floorplan_io__mem__peak": 160948.0,
-  "floorplan_io__runtime__total": "0:01.25",
-  "floorplan_macro__cpu__total": 1.12,
-  "floorplan_macro__mem__peak": 159408.0,
-  "floorplan_macro__runtime__total": "0:01.25",
-  "floorplan_pdn__cpu__total": 3.34,
-  "floorplan_pdn__mem__peak": 183736.0,
-  "floorplan_pdn__runtime__total": "0:03.51",
-  "floorplan_tap__cpu__total": 1.09,
-  "floorplan_tap__mem__peak": 152500.0,
-  "floorplan_tap__runtime__total": "0:01.21",
+  "floorplan_io__runtime__total": "0:00.76",
+  "floorplan_macro__cpu__total": 0.69,
+  "floorplan_macro__mem__peak": 159208.0,
+  "floorplan_macro__runtime__total": "0:00.77",
+  "floorplan_pdn__cpu__total": 1.97,
+  "floorplan_pdn__mem__peak": 184480.0,
+  "floorplan_pdn__runtime__total": "0:02.09",
+  "floorplan_tap__cpu__total": 0.68,
+  "floorplan_tap__mem__peak": 152504.0,
+  "floorplan_tap__runtime__total": "0:00.75",
   "flow__errors__count": 0,
   "flow__warnings__count": 0,
-  "globalplace__cpu__total": 314.84,
+  "globalplace__cpu__total": 170.31,
   "globalplace__design__core__area": 1448920.0,
   "globalplace__design__die__area": 1464380.0,
   "globalplace__design__instance__area": 731834,
@@ -249,26 +249,26 @@
   "globalplace__design__sites:GF018hv5v_green_sc9": 513366,
   "globalplace__flow__errors__count": 0,
   "globalplace__flow__warnings__count": 0,
-  "globalplace__mem__peak": 674840.0,
+  "globalplace__mem__peak": 675672.0,
   "globalplace__power__internal__total": 1.48712,
   "globalplace__power__leakage__total": 4.42821e-06,
   "globalplace__power__switching__total": 1.18522,
   "globalplace__power__total": 2.67235,
-  "globalplace__runtime__total": "1:22.44",
+  "globalplace__runtime__total": "0:47.78",
   "globalplace__timing__setup__tns": -488.678,
   "globalplace__timing__setup__ws": -1.39396,
-  "globalplace_io__cpu__total": 1.31,
-  "globalplace_io__mem__peak": 183220.0,
-  "globalplace_io__runtime__total": "0:01.48",
-  "globalplace_skip_io__cpu__total": 174.0,
-  "globalplace_skip_io__mem__peak": 207632.0,
-  "globalplace_skip_io__runtime__total": "0:07.07",
+  "globalplace_io__cpu__total": 0.83,
+  "globalplace_io__mem__peak": 183992.0,
+  "globalplace_io__runtime__total": "0:00.91",
+  "globalplace_skip_io__cpu__total": 108.74,
+  "globalplace_skip_io__mem__peak": 207364.0,
+  "globalplace_skip_io__runtime__total": "0:04.42",
   "globalroute__antenna__violating__nets": 0,
   "globalroute__antenna__violating__pins": 0,
   "globalroute__antenna_diodes_count": 8,
   "globalroute__clock__skew__hold": 6.63156,
   "globalroute__clock__skew__setup": 9.57852,
-  "globalroute__cpu__total": 480.97,
+  "globalroute__cpu__total": 306.19,
   "globalroute__design__core__area": 1448920.0,
   "globalroute__design__die__area": 1464380.0,
   "globalroute__design__instance__area": 798945,
@@ -296,13 +296,13 @@
   "globalroute__design__violations": 0,
   "globalroute__flow__errors__count": 0,
   "globalroute__flow__warnings__count": 1,
-  "globalroute__mem__peak": 1052152.0,
+  "globalroute__mem__peak": 1070096.0,
   "globalroute__power__internal__total": 2.02793,
   "globalroute__power__leakage__total": 4.81539e-06,
   "globalroute__power__switching__total": 1.47116,
   "globalroute__power__total": 3.4991,
   "globalroute__route__wirelength__estimated": 1267260.0,
-  "globalroute__runtime__total": "5:26.66",
+  "globalroute__runtime__total": "3:27.40",
   "globalroute__timing__clock__slack": -1.268,
   "globalroute__timing__drv__hold_violation_count": 0,
   "globalroute__timing__drv__max_cap": 0,
@@ -314,7 +314,7 @@
   "globalroute__timing__drv__setup_violation_count": 724,
   "globalroute__timing__setup__tns": -364.081,
   "globalroute__timing__setup__ws": -1.26799,
-  "placeopt__cpu__total": 31.93,
+  "placeopt__cpu__total": 17.91,
   "placeopt__design__core__area": 1448920.0,
   "placeopt__design__die__area": 1464380.0,
   "placeopt__design__instance__area": 742291,
@@ -336,12 +336,12 @@
   "placeopt__design__sites:GF018hv5v_green_sc9": 513366,
   "placeopt__flow__errors__count": 0,
   "placeopt__flow__warnings__count": 1,
-  "placeopt__mem__peak": 550764.0,
+  "placeopt__mem__peak": 551952.0,
   "placeopt__power__internal__total": 1.59936,
   "placeopt__power__leakage__total": 4.48716e-06,
   "placeopt__power__switching__total": 1.19335,
   "placeopt__power__total": 2.79272,
-  "placeopt__runtime__total": "0:32.50",
+  "placeopt__runtime__total": "0:18.29",
   "placeopt__timing__drv__floating__nets": 0,
   "placeopt__timing__drv__floating__pins": 1,
   "placeopt__timing__drv__hold_violation_count": 0,
@@ -355,10 +355,10 @@
   "placeopt__timing__setup__tns": -495.415,
   "placeopt__timing__setup__ws": -1.45537,
   "run__flow__design": "ibex",
-  "run__flow__generate_date": "2025-01-21 13:36",
+  "run__flow__generate_date": "2025-01-24 15:50",
   "run__flow__metrics_version": "Metrics_2.1.2",
   "run__flow__openroad_commit": "N/A",
-  "run__flow__openroad_version": "v2.0-18426-g7ebc4d165",
+  "run__flow__openroad_version": "19e09eea110d6b059bb6399412e8f12a9ce7fbdd",
   "run__flow__platform": "gf180",
   "run__flow__platform__capacitance_units": "1pF",
   "run__flow__platform__current_units": "1mA",
@@ -367,14 +367,14 @@
   "run__flow__platform__resistance_units": "1ohm",
   "run__flow__platform__time_units": "1ns",
   "run__flow__platform__voltage_units": "1v",
-  "run__flow__platform_commit": "N/A",
-  "run__flow__scripts_commit": "not a git repo",
-  "run__flow__uuid": "fa62e889-8e5d-482b-9742-cdd6660af1bc",
+  "run__flow__platform_commit": "87d2675ccda5a9572a728a3371fd4b0a7e604c92",
+  "run__flow__scripts_commit": "87d2675ccda5a9572a728a3371fd4b0a7e604c92",
+  "run__flow__uuid": "04a8b7e8-4a24-4c0c-879c-21a93e3a3199",
   "run__flow__variant": "base",
-  "synth__cpu__total": 89.97,
+  "synth__cpu__total": 57.68,
   "synth__design__instance__area__stdcell": 656792.2368,
   "synth__design__instance__count__stdcell": 13558.0,
-  "synth__mem__peak": 159832.0,
-  "synth__runtime__total": "1:30.39",
-  "total_time": "0:16:29.530000"
+  "synth__mem__peak": 161612.0,
+  "synth__runtime__total": "0:57.93",
+  "total_time": "0:10:06.560000"
 }

flow/designs/ihp-sg13g2/ibex/autotuner.json

@@ -3,7 +3,7 @@
     "_SDC_CLK_PERIOD": {
         "type": "float",
         "minmax": [
-            15.0,
+            10.0,
             16.0
         ],
         "step": 0
@@ -12,7 +12,7 @@
         "type": "int",
         "minmax": [
             20,
-            45
+            50
         ],
         "step": 1
     },
@@ -35,15 +35,15 @@
     "CELL_PAD_IN_SITES_GLOBAL_PLACEMENT": {
         "type": "int",
         "minmax": [
-            1,
-            5
+            0,
+            3
         ],
         "step": 1
     },
     "CELL_PAD_IN_SITES_DETAIL_PLACEMENT": {
         "type": "int",
         "minmax": [
-            1,
+            0,
             3
         ],
         "step": 1
@@ -60,7 +60,7 @@
         "type": "float",
         "minmax": [
             0.0,
-            0.99
+            0.2
         ],
         "step": 0
     },

flow/designs/ihp-sg13g2/ibex/constraint.sdc

@@ -2,7 +2,7 @@ current_design ibex_core
 
 set clk_name  core_clock
 set clk_port_name clk_i
-set clk_period 15.0
+set clk_period 10.75
 set clk_io_pct 0.2
 
 set clk_port [get_ports $clk_port_name]