placeholderlabs/pretrain-web-mix
Normalized documents plus aligned Dolma-2 tokens and target masks. Size Tokens 73,646,210,143 (73.6B) Trainable tokens 73,646,210,143 (73.6B) Documents 61,059,647 Shards 590 UTF-8 bytes 341,537,872,441 Tokenizer allenai/dolma2-tokenizer@5292e5d6c0f4 documents.parquet - document_id, text, part_ends, part_trainable, must_not_split. The readable payload and the mask intent. metadata.parquet - one text-free row per document: token span, source, stratum… See the full description on the dataset page: https://huggingface.co/datasets/placeholderlabs/pretrain-web-mix.
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