placeholderlabs/pretrain-repository-v2-mix-long-context

Normalized documents plus aligned Dolma-2 tokens and target masks. Size Tokens 130,158,375,824 (130.2B) Trainable tokens 130,158,375,824 (130.2B) Documents 2,578,578 Shards 1,168 UTF-8 bytes 535,260,344,241 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… See the full description on the dataset page: https://huggingface.co/datasets/placeholderlabs/pretrain-repository-v2-mix-long-context.

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