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---
pretty_name: Speed-5B-mX-parquet
task_categories:
- text-generation
language:
- en
---

# Speed-5B-mX (compressed)

Zstd-compressed Parquet copy of `Shrijanagain/Speed-5B-mX`.

## Totals

- Rows: 3,036,552
- Exact tokens (`add_special_tokens=False`): 2,789,251,861
- Source JSONL bytes: 10.98 GiB
- Parquet bytes: 3.31 GiB
- Compression ratio: 3.315x
- Tokenizer: `Shrijanagain/SPEED2-V0-0B7-CPT-SFT/tokenizer.json`

## Schema

| column | type | notes |
| --- | --- | --- |
| `text` | large_string | document text |
| `source` | string | mixture source id |
| `tokens` | int32 | exact token count of `text` |

## Tokens per source

| source | rows | tokens | share |
| --- | --- | --- | --- |
| code_stack | 599,671 | 828,986,469 | 29.72% |
| fineweb_edu | 726,000 | 711,089,153 | 25.49% |
| fineweb | 1,048,581 | 687,823,165 | 24.66% |
| finemath | 167,228 | 259,464,482 | 9.30% |
| wikipedia | 156,204 | 153,645,247 | 5.51% |
| cybersecurity | 338,868 | 148,243,345 | 5.31% |

## Shards

| source shard | rows | tokens | parquet size |
| --- | --- | --- | --- |
| `chunks_6b/mixed_6b_chunk_000000.jsonl` | 222,987 | 147,439,498 | 0.236 GiB |
| `chunks_6b/mixed_6b_chunk_000001.jsonl` | 224,560 | 147,261,058 | 0.236 GiB |
| `chunks_6b/mixed_6b_chunk_000002.jsonl` | 225,683 | 147,189,388 | 0.236 GiB |
| `chunks_6b/mixed_6b_chunk_000003.jsonl` | 224,491 | 147,230,459 | 0.236 GiB |
| `chunks_6b/mixed_6b_chunk_000004.jsonl` | 226,860 | 204,478,767 | 0.227 GiB |
| `chunks_6b/mixed_6b_chunk_000005.jsonl` | 234,909 | 323,119,815 | 0.208 GiB |
| `chunks_6b/mixed_6b_chunk_000006.jsonl` | 232,554 | 320,228,994 | 0.208 GiB |
| `chunks_6b/mixed_6b_chunk_000007.jsonl` | 168,437 | 190,180,178 | 0.224 GiB |
| `chunks_6b/mixed_6b_chunk_000008.jsonl` | 150,933 | 145,937,878 | 0.230 GiB |
| `chunks_6b/mixed_6b_chunk_000009.jsonl` | 149,047 | 146,289,311 | 0.230 GiB |
| `chunks_6b/mixed_6b_chunk_000010.jsonl` | 148,761 | 146,330,597 | 0.230 GiB |
| `chunks_6b/mixed_6b_chunk_000011.jsonl` | 148,315 | 146,337,489 | 0.230 GiB |
| `chunks_6b/mixed_6b_chunk_000012.jsonl` | 129,022 | 190,368,485 | 0.206 GiB |
| `chunks_6b/mixed_6b_chunk_000013.jsonl` | 139,928 | 173,819,093 | 0.219 GiB |
| `chunks_6b/mixed_6b_chunk_000014.jsonl` | 410,065 | 213,040,851 | 0.156 GiB |

## Audit

- Record fields seen: `{"source,text": 3036553}`
- Skipped rows: `{"too_long": 1}`

Use `streaming=True` or read row groups directly; each file is
independently readable.