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data/metadata.json

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+{
+  "input_dir": "/home/lamcodealong/fineweb_10bt/sample/10BT",
+  "seq_len": 2048,
+  "vocab_size": 272,
+  "dtype": "uint16",
+  "total_samples": 9672101,
+  "total_tokens": 17268243758,
+  "token_format": "BOS + UTF-8 bytes + EOS (byte-level, 272 vocab)"
+}