Update add_6digit: add complexity labels + stratified eval

add_6digit/config.json

@@ -2,5 +2,15 @@
   "n_digits": 6,
   "ops": "add",
   "train_size": 500000,
-  "val_size": 10000
+  "val_size": 10000,
+  "eval_size": 550,
+  "complexity_distribution": {
+    "S0": 50860,
+    "S1": 247567,
+    "S2": 130699,
+    "S3": 46995,
+    "S4": 16540,
+    "S5": 5611,
+    "S6": 1728
+  }
 }

add_6digit/eval_stratified.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bcba1933ae88bd079169f6e6484864c4f31d58967f1b6f58e540b5d86ed82066
+size 19829

add_6digit/train.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c38570ccb063d6077be0262615bf72a9c9ca81b255de0cce9436306c774bb998
-size 11548337
+oid sha256:83652889a7016256f8aab4b45394f0b394ba85a9cfff0578816d91f52bd432e3
+size 11928971

add_6digit/val.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:301a14b95aaafef32f86fd22a52655631099094e59b71c257104241545fa8a91
-size 235892
+oid sha256:e4facdcff376fab30449402569b98f9fbfc6c23e9751727cfe7bc00e4578000a
+size 244600