Merge pull request #3205 from The-OpenROAD-Project-staging/asap7-ihp-new-rc

asap7, ihp-sg13g2: Insert fresh RC fit

Author: maliberty

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

@@ -8,7 +8,7 @@
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 2269,
+        "value": 2616,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {

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

@@ -8,7 +8,7 @@
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 210460,
+        "value": 253595,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {
@@ -28,7 +28,7 @@
         "compare": "<="
     },
     "globalroute__antenna_diodes_count": {
-        "value": 0,
+        "value": 3,
         "compare": "<="
     },
     "detailedroute__route__wirelength": {

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

@@ -28,11 +28,11 @@
         "compare": "<="
     },
     "globalroute__antenna_diodes_count": {
-        "value": 0,
+        "value": 2,
         "compare": "<="
     },
     "detailedroute__route__wirelength": {
-        "value": 49751,
+        "value": 60953,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {

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

@@ -8,7 +8,7 @@
         "compare": "=="
     },
     "placeopt__design__instance__area": {
-        "value": 305593,
+        "value": 371258,
         "compare": "<="
     },
     "placeopt__design__instance__count__stdcell": {

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

@@ -32,7 +32,7 @@
         "compare": "<="
     },
     "detailedroute__route__wirelength": {
-        "value": 4391,
+        "value": 5088,
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {

flow/platforms/asap7/setRC.tcl

@@ -1,13 +1,14 @@
-# Liberty units are fF,kOhm
-set_layer_rc -layer M1 -capacitance 1.1368e-01 -resistance 1.3889e-01
-set_layer_rc -layer M2 -capacitance 1.3426e-01 -resistance 2.4222e-02
-set_layer_rc -layer M3 -capacitance 1.2918e-01 -resistance 2.4222e-02
-set_layer_rc -layer M4 -capacitance 1.1396e-01 -resistance 1.6778e-02
-set_layer_rc -layer M5 -capacitance 1.3323e-01 -resistance 1.4677e-02
-set_layer_rc -layer M6 -capacitance 1.1575e-01 -resistance 1.0371e-02
-set_layer_rc -layer M7 -capacitance 1.3293e-01 -resistance 9.6720e-03
-set_layer_rc -layer M8 -capacitance 1.1822e-01 -resistance 7.4310e-03
-set_layer_rc -layer M9 -capacitance 1.3497e-01 -resistance 6.8740e-03
+# correlation result (aes, cva6, ibex, riscv32i)
+# M1 capacitance fixed up from -4.8e-02 to 1e-10 as a minuscule positive value
+set_layer_rc -layer M1 -resistance 7.04175E-02 -capacitance 1e-10
+set_layer_rc -layer M2 -resistance 4.62311E-02 -capacitance 1.84542E-01
+set_layer_rc -layer M3 -resistance 3.63251E-02 -capacitance 1.53955E-01
+set_layer_rc -layer M4 -resistance 2.03083E-02 -capacitance 1.89434E-01
+set_layer_rc -layer M5 -resistance 1.93005E-02 -capacitance 1.71593E-01
+set_layer_rc -layer M6 -resistance 1.18619E-02 -capacitance 1.76146E-01
+set_layer_rc -layer M7 -resistance 1.25311E-02 -capacitance 1.47030E-01
+set_wire_rc -signal -resistance 3.23151E-02 -capacitance 1.73323E-01
+set_wire_rc -clock -resistance 5.13971E-02 -capacitance 1.44549E-01
 
 set_layer_rc -via V1 -resistance 1.72E-02
 set_layer_rc -via V2 -resistance 1.72E-02
@@ -17,5 +18,3 @@ set_layer_rc -via V5 -resistance 1.18E-02
 set_layer_rc -via V6 -resistance 8.20E-03
 set_layer_rc -via V7 -resistance 8.20E-03
 set_layer_rc -via V8 -resistance 6.30E-03
-
-set_wire_rc -layer M3

flow/platforms/ihp-sg13g2/setRC.tcl

@@ -1,20 +1,16 @@
-# correlateRC.py gcd,ibex,aes,jpeg,chameleon,riscv32i,chameleon_hier
-# cap units pf/um
-set_layer_rc -layer Metal1    -capacitance 3.49E-05 -resistance 0.135e-03
-set_layer_rc -layer Metal2    -capacitance 1.81E-05 -resistance 0.103e-03
-set_layer_rc -layer Metal3    -capacitance 2.14962E-04 -resistance 0.103e-03
-set_layer_rc -layer Metal4    -capacitance 1.48128E-04 -resistance 0.103e-03
-set_layer_rc -layer Metal5    -capacitance 1.54087E-04 -resistance 0.103e-03
-set_layer_rc -layer TopMetal1 -capacitance 1.54087E-04 -resistance 0.021e-03
-set_layer_rc -layer TopMetal2 -capacitance 1.54087E-04 -resistance 0.0145e-03
-# end correlate
+# correlation result (aes, gcd, ibex, riscv32i, spi)
+# Metal1 capacitance fixed up from -1.1e-05 to 1e-10 as a minuscule positive value
+set_layer_rc -layer Metal1 -resistance 8.54576E-03 -capacitance 1e-10
+set_layer_rc -layer Metal2 -resistance 2.53519E-03 -capacitance 1.69121E-04
+set_layer_rc -layer Metal3 -resistance 1.54329E-03 -capacitance 1.82832E-04
+set_layer_rc -layer Metal4 -resistance 6.31424E-04 -capacitance 1.66454E-04
+set_layer_rc -layer Metal5 -resistance 6.84051E-04 -capacitance 8.57431E-05
+set_wire_rc -signal -resistance 2.07259E-03 -capacitance 1.73072E-04
+set_wire_rc -clock -resistance 2.48603E-03 -capacitance 1.44812E-04
 
 set_layer_rc -via Via1    -resistance 2.0E-3
 set_layer_rc -via Via2    -resistance 2.0E-3
 set_layer_rc -via Via3    -resistance 2.0E-3
 set_layer_rc -via Via4    -resistance 2.0E-3
 set_layer_rc -via TopVia1 -resistance 0.4E-3
 set_layer_rc -via TopVia2 -resistance 0.22E-3
-
-set_wire_rc -signal -layer Metal2
-set_wire_rc -clock  -layer Metal5

flow/util/correlateRC.py

@@ -116,6 +116,7 @@ def makeDict():
                             else:
                                 via_resist = float(match.group(2))
                         stack.append((name, is_routing, via_resist))
+                    stack_line = line
                 continue
 
             tokens = line.strip().split(",")