---
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: 1,592,044
- Exact tokens (`add_special_tokens=False`): 1,436,947,979
- Source JSONL bytes: 5.36 GiB
- Parquet bytes: 1.59 GiB
- Compression ratio: 3.376x
- 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 | 543,463 | 749,124,814 | 52.13% |
| fineweb | 1,048,581 | 687,823,165 | 47.87% |

## 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 |

## Audit

- Record fields seen: `{"source,text": 1592044}`
- Skipped rows: `{}`

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