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67408e1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | # Tier C: Exact Retraining Data
This directory contains the exact local training inputs used by the released
1M Stage-I and 300K SFT experiments.
```text
stage1_1m/recap_train_1m/ 200 WebDataset tar files
sft_300k/ 64 packed parquet shards
```
The Stage-I tar files are sparse on the source filesystem: their allocated
disk usage is smaller than their logical byte size. The manifests record the
logical size and SHA-256 of the complete file stream, which is the relevant
size after download.
Excluded as redundant:
- `extra_800k_chunks`: construction intermediates already represented by the
final 200 Stage-I tar files.
- raw SFT sources: the released 64 packed parquet shards are the exact inputs
consumed by the training code.
See the GitHub training configurations and scripts for the original relative
paths and optimizer settings.
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