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Tighten designs asap7/gcd, asap7/aes and sky130hd/ibex #3962

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Merged
eder-matheus merged 6 commits into from
Mar 6, 2026
Merged

Tighten designs asap7/gcd, asap7/aes and sky130hd/ibex #3962

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bb1ed96
flow: change asap7/aes CORE_UTILIZATION from 40 to 70
arthurjolo Mar 5, 2026
6bb11d4
flow: change asap7/gcd CORE_UTILIZATION from 40 to 65
arthurjolo Mar 5, 2026
25b9be9
flow: change sky130hd/ibex CORE_UTILIZATION from 45 to 50
arthurjolo Mar 5, 2026
f79febd
asap7/aes:
arthurjolo Mar 6, 2026
317b125
asap7/gcd:
arthurjolo Mar 6, 2026
d30cc7a
sky130hd ibex:
arthurjolo Mar 6, 2026
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2 changes: 1 addition & 1 deletion flow/designs/asap7/aes/config.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.

export ABC_AREA = 1

export CORE_UTILIZATION = 40
export CORE_UTILIZATION = 70
export CORE_ASPECT_RATIO = 1
export CORE_MARGIN = 2
export PLACE_DENSITY = 0.65
Expand Down
22 changes: 11 additions & 11 deletions flow/designs/asap7/aes/rules-base.json
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Original file line number Diff line number Diff line change
@@ -1,38 +1,38 @@
{
"synth__design__instance__area__stdcell": {
"value": 1928.39,
"value": 1920.0,
"compare": "<="
},
"constraints__clocks__count": {
"value": 1,
"compare": "=="
},
"placeopt__design__instance__area": {
"value": 2162,
"value": 2049,
"compare": "<="
},
"placeopt__design__instance__count__stdcell": {
"value": 19594,
"value": 19328,
"compare": "<="
},
"detailedplace__design__violations": {
"value": 0,
"compare": "=="
},
"cts__design__instance__count__setup_buffer": {
"value": 1704,
"value": 1681,
"compare": "<="
},
"cts__design__instance__count__hold_buffer": {
"value": 1704,
"value": 1681,
"compare": "<="
},
"cts__timing__setup__ws": {
"value": -34.8,
"compare": ">="
},
"cts__timing__setup__tns": {
"value": -1100.0,
"value": -226.0,
"compare": ">="
},
"cts__timing__hold__ws": {
Expand All @@ -52,7 +52,7 @@
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -2170.0,
"value": -846.0,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand All @@ -64,7 +64,7 @@
"compare": ">="
},
"detailedroute__route__wirelength": {
"value": 72539,
"value": 68021,
"compare": "<="
},
"detailedroute__route__drc_errors": {
Expand All @@ -80,11 +80,11 @@
"compare": "<="
},
"finish__timing__setup__ws": {
"value": -42.2,
"value": -39.9,
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -825.0,
"value": -357.0,
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@eder-matheus eder-matheus Mar 6, 2026

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Great TNS improvement!

"compare": ">="
},
"finish__timing__hold__ws": {
Expand All @@ -96,7 +96,7 @@
"compare": ">="
},
"finish__design__instance__area": {
"value": 2269,
"value": 2149,
"compare": "<="
}
}
5 changes: 3 additions & 2 deletions flow/designs/asap7/gcd/config.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,9 @@ export DESIGN_NAME = gcd
export VERILOG_FILES = $(sort $(wildcard $(DESIGN_HOME)/src/$(DESIGN_NAME)/*.v))
export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NAME)/constraint.sdc

export DIE_AREA = 0 0 16.2 16.2
export CORE_AREA = 1.08 1.08 15.12 15.12
export CORE_UTILIZATION = 65
export CORE_ASPECT_RATIO = 1
export CORE_MARGIN = 0.5
# The goal of this design is to have a smoketest that builds quickly,
# that said, this design will go through grt with a 0.99 placement density.
export PLACE_DENSITY = 0.35
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22 changes: 11 additions & 11 deletions flow/designs/asap7/gcd/rules-base.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,31 +8,31 @@
"compare": "=="
},
"placeopt__design__instance__area": {
"value": 52,
"value": 50,
"compare": "<="
},
"placeopt__design__instance__count__stdcell": {
"value": 531,
"value": 473,
"compare": "<="
},
"detailedplace__design__violations": {
"value": 0,
"compare": "=="
},
"cts__design__instance__count__setup_buffer": {
"value": 47,
"value": 41,
"compare": "<="
},
"cts__design__instance__count__hold_buffer": {
"value": 46,
"value": 41,
"compare": "<="
},
"cts__timing__setup__ws": {
"value": -53.6,
"value": -38.0,
"compare": ">="
},
"cts__timing__setup__tns": {
"value": -281.0,
"value": -119.0,
"compare": ">="
},
"cts__timing__hold__ws": {
Expand All @@ -48,11 +48,11 @@
"compare": "<="
},
"globalroute__timing__setup__ws": {
"value": -64.0,
"value": -47.4,
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -439.0,
"value": -290.0,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand All @@ -64,7 +64,7 @@
"compare": ">="
},
"detailedroute__route__wirelength": {
"value": 1352,
"value": 1053,
"compare": "<="
},
"detailedroute__route__drc_errors": {
Expand All @@ -80,11 +80,11 @@
"compare": "<="
},
"finish__timing__setup__ws": {
"value": -48.6,
"value": -37.5,
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -270.0,
"value": -185.0,
"compare": ">="
},
"finish__timing__hold__ws": {
Expand Down
2 changes: 1 addition & 1 deletion flow/designs/sky130hd/ibex/config.mk
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.
# Adders degrade ibex setup repair
export ADDER_MAP_FILE :=

export CORE_UTILIZATION = 45
export CORE_UTILIZATION = 50
export PLACE_DENSITY_LB_ADDON = 0.25
export TNS_END_PERCENT = 100

Expand Down
6 changes: 3 additions & 3 deletions flow/designs/sky130hd/ibex/rules-base.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
"compare": "=="
},
"placeopt__design__instance__area": {
"value": 169126,
"value": 167557,
"compare": "<="
},
"placeopt__design__instance__count__stdcell": {
Expand Down Expand Up @@ -64,7 +64,7 @@
"compare": ">="
},
"detailedroute__route__wirelength": {
"value": 749863,
"value": 728653,
"compare": "<="
},
"detailedroute__route__drc_errors": {
Expand Down Expand Up @@ -96,7 +96,7 @@
"compare": ">="
},
"finish__design__instance__area": {
"value": 180708,
"value": 179572,
"compare": "<="
}
}