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string
boundary_policy
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fpabl1-b-fp
source streams are already BOS/document/EOS packed; arm scheduler interleaves token chunks
37.857518
100,000,000
50
{ "fp_en": 1000000000, "fp_ita": 1000000000, "fw2_ita": 1000000000, "fwedu": 1000000000, "replay": 1000000000 }
{ "bos": 49119, "eos": 49120, "pad": 49121 }
runs/mixed-tokenizer-48k/tokenizer
5,000,000,000

fpabl1-arm-b-fp-tokens-48k

Pre-tokenized bins for the FinePhrase vs FineWeb ablation (fpabl1), arm fpabl1-b-fp.

  • Tokenizer: runs/mixed-tokenizer-48k/tokenizer (byte-BPE, 48k vocab; special ids bos=49119, eos=49120, pad=49121).
  • Format: uint16 little-endian, 50 shards x 100,000,000 tokens = 5,000,000,000 tokens total.
  • Boundary policy: source streams are already BOS/document/EOS packed; arm scheduler interleaves token chunks

Source token composition:

  • fp_en: 1,000,000,000
  • fp_ita: 1,000,000,000
  • fw2_ita: 1,000,000,000
  • fwedu: 1,000,000,000
  • replay: 1,000,000,000

See meta.json for the full manifest. Companion arm: the other fpabl1-arm-*-tokens-48k repo.

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