Increase the densityCORE_UTILIZATION aes-blocks to 0.4 and shrink MACRO_PLACE_HALO

designs/asap7/aes-block/rules-base.json updates:
| Metric                                        | Old      | New      | Type     |
| ------                                        | ---      | ---      | ----     |
| synth__design__instance__area__stdcell        |  2131.37 |  2130.06 | Tighten  |
| placeopt__design__instance__area              |     7290 |     7258 | Tighten  |
| placeopt__design__instance__count__stdcell    |    11004 |    10666 | Tighten  |
| cts__design__instance__count__setup_buffer    |      957 |      928 | Tighten  |
| cts__design__instance__count__hold_buffer     |     1866 |      985 | Tighten  |
| detailedroute__route__wirelength              |    75984 |    62805 | Tighten  |
| finish__timing__setup__ws                     |  -243.45 |   -63.56 | Tighten  |
| finish__timing__drv__setup_violation_count    |      478 |      464 | Tighten  |
| finish__timing__wns_percent_delay             |   -43.48 |   -17.84 | Tighten  |

Signed-off-by: Matt Liberty <[email protected]>

Author: maliberty

flow/designs/asap7/aes-block/config.mk

@@ -8,7 +8,7 @@ export SDC_FILE      = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.
 
 export ABC_AREA               = 1
 
-export CORE_UTILIZATION       = 20
+export CORE_UTILIZATION       = 40
 export CORE_ASPECT_RATIO      = 1
 export CORE_MARGIN            = 2
 export PLACE_DENSITY          = 0.53
@@ -27,6 +27,6 @@ export GND_NETS_VOLTAGES      =
 export PWR_NETS_VOLTAGES      =
 
 # The macros are very small so use a smaller halo
-export MACRO_PLACE_HALO        ?= 5 5
+export MACRO_PLACE_HALO        ?= 3 3
 
 export ROUTING_LAYER_ADJUSTMENT = 0.3

flow/designs/asap7/aes-block/rules-base.json

@@ -1,38 +1,38 @@
 {
     "synth__design__instance__area__stdcell": {
-        "value": 2131.37,
+        "value": 2130.06,
         "compare": "<="
     },
     "constraints__clocks__count": {
         "value": 1,
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 7290,
+        "value": 7258,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
-        "value": 11004,
+        "value": 10666,
         "compare": "<="
     },
     "detailedplace__design__violations": {
         "value": 0,
         "compare": "=="
     },
     "cts__design__instance__count__setup_buffer": {
-        "value": 957,
+        "value": 928,
         "compare": "<="
     },
     "cts__design__instance__count__hold_buffer": {
-        "value": 1866,
+        "value": 985,
         "compare": "<="
     },
     "globalroute__antenna_diodes_count": {
         "value": 0,
         "compare": "<="
     },
     "detailedroute__route__wirelength": {
-        "value": 75984,
+        "value": 62805,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
@@ -48,23 +48,23 @@
         "compare": "<="
     },
     "finish__timing__setup__ws": {
-        "value": -243.45,
+        "value": -63.56,
         "compare": ">="
     },
     "finish__design__instance__area": {
         "value": 7348,
         "compare": "<="
     },
     "finish__timing__drv__setup_violation_count": {
-        "value": 478,
+        "value": 464,
         "compare": "<="
     },
     "finish__timing__drv__hold_violation_count": {
         "value": 100,
         "compare": "<="
     },
     "finish__timing__wns_percent_delay": {
-        "value": -43.48,
+        "value": -17.84,
         "compare": ">="
     }
 }