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update nangate45 layer resistance with segment-based regression results #4225

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Merged
eder-matheus merged 2 commits into from
May 12, 2026
Merged

update nangate45 layer resistance with segment-based regression results #4225

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eaba657
update nangate45 layer resistance with segment-based regression results
AcKoucher May 11, 2026
59c62c3
flow: update rules
github-actions[bot] May 12, 2026
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2 changes: 1 addition & 1 deletion flow/designs/ihp-sg13g2/jpeg/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -99,4 +99,4 @@
"value": 1041769,
"compare": "<="
}
}
}
2 changes: 1 addition & 1 deletion flow/designs/nangate45/aes/rules-base.json
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@
"compare": ">="
},
"globalroute__timing__hold__tns": {
"value": -0.398,
"value": -0.726,
"compare": ">="
},
"detailedroute__route__wirelength": {
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4 changes: 2 additions & 2 deletions flow/designs/nangate45/ariane133/rules-base.json
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Expand Up @@ -52,7 +52,7 @@
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -556.0,
"value": -570.0,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand Down Expand Up @@ -84,7 +84,7 @@
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -549.0,
"value": -577.0,
"compare": ">="
},
"finish__timing__hold__ws": {
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6 changes: 3 additions & 3 deletions flow/designs/nangate45/swerv/rules-base.json
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Expand Up @@ -32,7 +32,7 @@
"compare": ">="
},
"cts__timing__setup__tns": {
"value": -363.0,
"value": -497.0,
"compare": ">="
},
"cts__timing__hold__ws": {
Expand All @@ -52,7 +52,7 @@
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -420.0,
"value": -512.0,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand Down Expand Up @@ -84,7 +84,7 @@
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -396.0,
"value": -460.0,
"compare": ">="
},
"finish__timing__hold__ws": {
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6 changes: 3 additions & 3 deletions flow/designs/nangate45/tinyRocket/rules-base.json
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Expand Up @@ -32,7 +32,7 @@
"compare": ">="
},
"cts__timing__setup__tns": {
"value": -30.0,
"value": -32.4,
"compare": ">="
},
"cts__timing__hold__ws": {
Expand All @@ -52,7 +52,7 @@
"compare": ">="
},
"globalroute__timing__setup__tns": {
"value": -50.3,
"value": -53.9,
"compare": ">="
},
"globalroute__timing__hold__ws": {
Expand Down Expand Up @@ -84,7 +84,7 @@
"compare": ">="
},
"finish__timing__setup__tns": {
"value": -42.8,
"value": -46.0,
"compare": ">="
},
"finish__timing__hold__ws": {
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19 changes: 9 additions & 10 deletions flow/platforms/nangate45/setRC.tcl
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Original file line number Diff line number Diff line change
@@ -1,14 +1,13 @@
# Liberty units are fF,kOhm
set_layer_rc -layer metal1 -resistance 5.4286e-03 -capacitance 7.41819E-02
set_layer_rc -layer metal2 -resistance 3.70635E-03 -capacitance 8.33611E-02
set_layer_rc -layer metal3 -resistance 3.57728E-03 -capacitance 1.03981E-01
set_layer_rc -layer metal4 -resistance 1.47397E-03 -capacitance 1.19150E-01
set_layer_rc -layer metal5 -resistance 1.49065E-03 -capacitance 1.09256E-01
set_layer_rc -layer metal6 -resistance 1.50265E-03 -capacitance 1.14168E-01
set_layer_rc -layer metal7 -resistance 2.64082E-04 -capacitance 1.17491E-01
set_layer_rc -layer metal8 -resistance 1.89296E-04 -capacitance 9.45346E-02
set_layer_rc -layer metal9 -resistance 3.42860E-05 -capacitance 1.06091E-01
set_layer_rc -layer metal10 -resistance 3.86540E-05 -capacitance 7.37095E-01
set_layer_rc -layer metal2 -resistance 3.57167E-03 -capacitance 8.33611E-02
set_layer_rc -layer metal3 -resistance 3.57147E-03 -capacitance 1.03981E-01
set_layer_rc -layer metal4 -resistance 1.50001E-03 -capacitance 1.19150E-01
set_layer_rc -layer metal5 -resistance 1.50000E-03 -capacitance 1.09256E-01
set_layer_rc -layer metal6 -resistance 1.50000E-03 -capacitance 1.14168E-01
set_layer_rc -layer metal7 -resistance 1.87501E-04 -capacitance 1.17491E-01
set_layer_rc -layer metal8 -resistance 1.87501E-04 -capacitance 9.45346E-02
set_layer_rc -layer metal9 -resistance 3.74996E-05 -capacitance 1.06091E-01
set_layer_rc -layer metal10 -resistance 3.75000E-05 -capacitance 7.37095E-01
Comment thread
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set_wire_rc -signal -layer metal3
set_wire_rc -clock -layer metal5