diff --git a/gds/caravel_00010006_b.gds.gz b/gds/caravel_00010006_b.gds.gz
new file mode 100644
index 0000000..5b34de9
--- /dev/null
+++ b/gds/caravel_00010006_b.gds.gz
Binary files differ
diff --git a/signoff/caravel_fix b/signoff/caravel_fix
index 7ac7e45..a5efc03 100644
--- a/signoff/caravel_fix
+++ b/signoff/caravel_fix
@@ -1 +1 @@
-5db94af73883fbcd74a6b8ba1851f6b340ca145d  ./gds/caravel_00010006_b.gds
+cae35b27249680cf728b019e71f8e629343e34b8  ./gds/caravel_00010006_b.gds
diff --git a/signoff/caravel_fix_xor.out b/signoff/caravel_fix_xor.out
new file mode 100644
index 0000000..e369250
--- /dev/null
+++ b/signoff/caravel_fix_xor.out
@@ -0,0 +1,1238 @@
+First Layout: ./gds/caravel_00010006.gds
+Second Layout: ./gds/caravel_00010006_b.gds
+Design Name: caravel_00010006
+Output GDS will be: ./gds/caravel_00010006_fix_xor.gds
+Reading ./gds/caravel_00010006.gds ..
+Reading ./gds/caravel_00010006_b.gds ..
+--- Running XOR for 105/52 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 10
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 107/24 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 10
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 11/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 112/4 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 10
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 122/16 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 3397520
+"_output" in: xor.drc:41
+Elapsed: 1.770s
+--- Running XOR for 125/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 109
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 125/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
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+XOR differences: 5945
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 20/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
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+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 21/0 ---
+"_input" in: xor.drc:38
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+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
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+--- Running XOR for 22/0 ---
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+Elapsed: 0.010s
+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
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+--- Running XOR for 22/21 ---
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+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
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+XOR differences: 238680
+"_output" in: xor.drc:41
+Elapsed: 0.080s
+--- Running XOR for 22/22 ---
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+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.330s
+XOR differences: 68640
+"_output" in: xor.drc:41
+Elapsed: 0.020s
+--- Running XOR for 22/24 ---
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+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
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+--- Running XOR for 23/28 ---
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+"^" in: xor.drc:38
+Elapsed: 2.320s
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+"_output" in: xor.drc:41
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+--- Running XOR for 235/0 ---
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+"^" in: xor.drc:38
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+XOR differences: 102960
+"_output" in: xor.drc:41
+Elapsed: 0.060s
+--- Running XOR for 235/4 ---
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+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
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+--- Running XOR for 236/0 ---
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+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
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+XOR differences: 2078588
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+Elapsed: 1.170s
+--- Running XOR for 25/0 ---
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+"_output" in: xor.drc:41
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+"^" in: xor.drc:38
+Elapsed: 8.680s
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+"_output" in: xor.drc:41
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+--- Running XOR for 30/0 ---
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+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 32/0 ---
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+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 33/42 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 823680
+"_output" in: xor.drc:41
+Elapsed: 0.350s
+--- Running XOR for 33/43 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
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+XOR differences: 1020240
+"_output" in: xor.drc:41
+Elapsed: 0.320s
+--- Running XOR for 34/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 34/28 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
+Elapsed: 37.000s
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+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 35/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
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+--- Running XOR for 36/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
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+--- Running XOR for 36/28 ---
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+"_input" in: xor.drc:38
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+"^" in: xor.drc:38
+Elapsed: 53.720s
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+"_output" in: xor.drc:41
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+--- Running XOR for 37/0 ---
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+--- Running XOR for 40/0 ---
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+"_output" in: xor.drc:41
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+"^" in: xor.drc:38
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+"_output" in: xor.drc:41
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+--- Running XOR for 51/28 ---
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+"_output" in: xor.drc:41
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+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.040s
+--- Running XOR for 66/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 4655817
+"_output" in: xor.drc:41
+Elapsed: 4.070s
+--- Running XOR for 66/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 32414713
+"_output" in: xor.drc:41
+Elapsed: 7.040s
+--- Running XOR for 66/83 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.250s
+--- Running XOR for 66/9 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 92
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 67/15 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 182
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 67/16 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 9076986
+"_output" in: xor.drc:41
+Elapsed: 2.350s
+--- Running XOR for 67/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 12686239
+"_output" in: xor.drc:41
+Elapsed: 9.830s
+--- Running XOR for 67/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 37412063
+"_output" in: xor.drc:41
+Elapsed: 14.030s
+--- Running XOR for 67/5 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 6.940s
+--- Running XOR for 68/15 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 6122
+"_output" in: xor.drc:41
+Elapsed: 0.020s
+--- Running XOR for 68/16 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 7435248
+"_output" in: xor.drc:41
+Elapsed: 2.710s
+--- Running XOR for 68/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 82.950s
+XOR differences: 1021303
+"_output" in: xor.drc:41
+Elapsed: 0.180s
+--- Running XOR for 68/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 9.090s
+XOR differences: 2127794
+"_output" in: xor.drc:41
+Elapsed: 0.360s
+--- Running XOR for 68/5 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 45
+"_output" in: xor.drc:41
+Elapsed: 4.940s
+--- Running XOR for 69/15 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 3510
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 69/16 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.430s
+XOR differences: 70129
+"_output" in: xor.drc:41
+Elapsed: 0.030s
+--- Running XOR for 69/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 24.560s
+XOR differences: 499717
+"_output" in: xor.drc:41
+Elapsed: 0.100s
+--- Running XOR for 69/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 3.850s
+XOR differences: 964439
+"_output" in: xor.drc:41
+Elapsed: 0.150s
+--- Running XOR for 69/5 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 5330
+"_output" in: xor.drc:41
+Elapsed: 0.340s
+--- Running XOR for 70/15 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 88
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 70/16 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.100s
+XOR differences: 342
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 70/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 3.560s
+XOR differences: 77723
+"_output" in: xor.drc:41
+Elapsed: 0.020s
+--- Running XOR for 70/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 5.510s
+XOR differences: 1128341
+"_output" in: xor.drc:41
+Elapsed: 0.210s
+--- Running XOR for 70/5 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 1856
+"_output" in: xor.drc:41
+Elapsed: 0.290s
+--- Running XOR for 71/15 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 88
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 71/16 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 8726
+"_output" in: xor.drc:41
+Elapsed: 0.030s
+--- Running XOR for 71/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 3.180s
+XOR differences: 9362
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 71/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 1.500s
+XOR differences: 191806
+"_output" in: xor.drc:41
+Elapsed: 0.040s
+--- Running XOR for 71/5 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 25814
+"_output" in: xor.drc:41
+Elapsed: 0.230s
+--- Running XOR for 72/15 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 18
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 72/16 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.020s
+XOR differences: 1805
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 72/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.690s
+XOR differences: 1238
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 72/5 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 21787
+"_output" in: xor.drc:41
+Elapsed: 0.200s
+--- Running XOR for 75/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 53374
+"_output" in: xor.drc:41
+Elapsed: 0.060s
+--- Running XOR for 76/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 107
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 78/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 3658167
+"_output" in: xor.drc:41
+Elapsed: 1.900s
+--- Running XOR for 79/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 1
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 81/1 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 81/14 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.530s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 81/19 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 981
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 81/2 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 17680
+"_output" in: xor.drc:41
+Elapsed: 0.050s
+--- Running XOR for 81/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 107
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 81/23 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 608169
+"_output" in: xor.drc:41
+Elapsed: 0.430s
+--- Running XOR for 81/4 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 4007071
+"_output" in: xor.drc:41
+Elapsed: 2.120s
+--- Running XOR for 81/51 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 81/52 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 81/6 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 3799
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 81/8 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 2520
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 83/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 48
+"_output" in: xor.drc:41
+Elapsed: 3.820s
+--- Running XOR for 88/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 89/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 1
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+--- Running XOR for 93/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 4174313
+"_output" in: xor.drc:41
+Elapsed: 2.100s
+--- Running XOR for 94/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 4112871
+"_output" in: xor.drc:41
+Elapsed: 2.100s
+--- Running XOR for 95/20 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 1622241
+"_output" in: xor.drc:41
+Elapsed: 1.500s
+--- Running XOR for 96/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 97/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 97/44 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.010s
+"^" in: xor.drc:38
+Elapsed: 0.000s
+XOR differences: 1
+"_output" in: xor.drc:41
+Elapsed: 0.010s
+--- Running XOR for 98/0 ---
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"_input" in: xor.drc:38
+Elapsed: 0.000s
+"^" in: xor.drc:38
+Elapsed: 0.010s
+XOR differences: 0
+"_output" in: xor.drc:41
+Elapsed: 0.000s
+Writing layout file: ./gds/caravel_00010006_fix_xor.gds ..
+Total run time: 633.300s
diff --git a/signoff/run_metal_fix.out b/signoff/run_metal_fix.out
index c85fb4a..3bc0ee9 100644
--- a/signoff/run_metal_fix.out
+++ b/signoff/run_metal_fix.out
@@ -12,54 +12,5 @@
 Info:  Structure caravel at 3182553740 to 3194563592 will be replaced by alternate data.
 Prefixing caravel subcells in the user GDS
 Running:  /usr/share/pdk/bin/change_gds_string.py user_id_textblock id_user_id_textblock copyright_block id_copyright_block open_source id_open_source storage id_storage sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped id_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped user_id_programming id_user_id_programming simple_por id_simple_por gpio_control_block id_gpio_control_block mgmt_core id_mgmt_core mgmt_protect id_mgmt_protect chip_io id_chip_io user_project_wrapper id_user_project_wrapper ./gds/caravel_00010006_b.gds -debug -verbatim
-Original data length = 3194564314
-Replaced b'open_source\x00' with b'id_open_source'
-Replaced b'user_id_textblock\x00' with b'id_user_id_textblock'
-Replaced b'copyright_block\x00' with b'id_copyright_block'
-Replaced b'storage\x00' with b'id_storage'
-Replaced b'sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped' with b'id_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped\x00'
-Replaced b'user_id_programming\x00' with b'id_user_id_programming'
-Replaced b'simple_por' with b'id_simple_por\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'mgmt_core\x00' with b'id_mgmt_core'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'mgmt_protect' with b'id_mgmt_protect\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'gpio_control_block' with b'id_gpio_control_block\x00'
-Replaced b'chip_io\x00' with b'id_chip_io'
-Replaced b'user_project_wrapper' with b'id_user_project_wrapper\x00'
+/mnt/share/open_mpw/sak/run_metal_fix.sh: line 58: 25213 Killed                  ${PDK_ROOT}/bin/change_gds_string.py user_id_textblock ${pfix}user_id_textblock copyright_block ${pfix}copyright_block open_source ${pfix}open_source storage ${pfix}storage sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped ${pfix}sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped user_id_programming ${pfix}user_id_programming simple_por ${pfix}simple_por gpio_control_block ${pfix}gpio_control_block mgmt_core ${pfix}mgmt_core mgmt_protect ${pfix}mgmt_protect chip_io ${pfix}chip_io user_project_wrapper ${pfix}user_project_wrapper ${user_fixed} -debug -verbatim
 Finished.