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lilm document-contiguous 16K Longmino pilot data

Curated from allenai/dolma3_longmino_mix-50B-1025 with HuggingFaceTB/SmolLM2-135M by pipeline lilm-longctx-16k-v2-cpu-doc-contiguous-longmino. This is the long-context portion of a recovery pilot; the intended training mix supplies short-context replay separately.

Binary format

  • lilm-longctx-16k-train.bin: training records
  • lilm-longctx-16k-val.bin: validation records
  • dtype: little-endian uint16
  • record width: 16,385 tokens
  • training input/target width: 16,384 tokens
  • target long-data budget: 102,000,000 tokens
  • each record comes from one document; unrelated documents are never packed together
  • consecutive records from the same document overlap by one boundary token
  • tokenizer: HuggingFaceTB/SmolLM2-135M

Use numpy.memmap(path, dtype=np.uint16) and reshape to (-1, 16385). For each row, use row[:-1] as inputs and row[1:] as targets.

manifest.json, sanity_report.json, and blocks.jsonl record provenance, counts, hashes, and validation results. Sanity status at upload: True.

Upstream dataset license and attribution remain applicable. Repository target: glouriousgautam/lilm-longctx-16k-longmino.

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