| --- |
| license: mit |
| language: |
| - arb |
| - ces |
| - cmn |
| - dan |
| - deu |
| - ell |
| - fra |
| - fw_ |
| - hun |
| - ind |
| - ita |
| - jpn |
| - nld |
| - pol |
| - por |
| - rus |
| - spa |
| - swe |
| - tur |
| - vie |
|
|
| tags: |
| - tokenizer |
| - bpe |
| - flexitok |
| - fineweb2 |
| --- |
| |
| # Byte-Level BPE Tokenizer: ['arb_Arab', 'ces_Latn', 'cmn_Hani', 'dan_Latn', 'deu_Latn', 'ell_Grek', 'fra_Latn', 'fw_edu', 'hun_Latn', 'ind_Latn', 'ita_Latn', 'jpn_Jpan', 'nld_Latn', 'pol_Latn', 'por_Latn', 'rus_Cyrl', 'spa_Latn', 'swe_Latn', 'tur_Latn', 'vie_Latn'] (128K) |
|
|
| A **Byte-Level BPE** tokenizer trained on **['arb_Arab', 'ces_Latn', 'cmn_Hani', 'dan_Latn', 'deu_Latn', 'ell_Grek', 'fra_Latn', 'fw_edu', 'hun_Latn', 'ind_Latn', 'ita_Latn', 'jpn_Jpan', 'nld_Latn', 'pol_Latn', 'por_Latn', 'rus_Cyrl', 'spa_Latn', 'swe_Latn', 'tur_Latn', 'vie_Latn']** data from Fineweb-2-HQ. |
|
|
| ## Training Details |
|
|
| | Parameter | Value | |
| |-----------|-------| |
| | Algorithm | Byte-Level BPE | |
| | Language | `['arb_Arab', 'ces_Latn', 'cmn_Hani', 'dan_Latn', 'deu_Latn', 'ell_Grek', 'fra_Latn', 'fw_edu', 'hun_Latn', 'ind_Latn', 'ita_Latn', 'jpn_Jpan', 'nld_Latn', 'pol_Latn', 'por_Latn', 'rus_Cyrl', 'spa_Latn', 'swe_Latn', 'tur_Latn', 'vie_Latn']` | |
| | Target Vocab Size | 128,000 | |
| | Final Vocab Size | 128,353 | |
| | Pre-tokenizer | custom:SCRIPT_AWARE_CHAR_PATTERN | |
| | Number handling | ltr_3digit | |
| | Contraction handling | True | |
| | Normalizer | NFC | |
| | Special Tokens | `<s>`, `</s>`, `<pad>`, `<unk>` | |
| | Training Shards | 40, ['fineweb_2_hq.arb_Arab.chunk.00.jsonl', 'fineweb_2_hq.arb_Arab.chunk.01.jsonl', 'fineweb_2_hq.ces_Latn.chunk.00.jsonl', 'fineweb_2_hq.ces_Latn.chunk.01.jsonl', 'fineweb_2_hq.cmn_Hani.chunk.00.jsonl', 'fineweb_2_hq.cmn_Hani.chunk.01.jsonl', 'fineweb_2_hq.dan_Latn.chunk.00.jsonl', 'fineweb_2_hq.dan_Latn.chunk.01.jsonl', 'fineweb_2_hq.deu_Latn.chunk.00.jsonl', 'fineweb_2_hq.deu_Latn.chunk.01.jsonl', 'fineweb_2_hq.ell_Grek.chunk.00.jsonl', 'fineweb_2_hq.ell_Grek.chunk.01.jsonl', 'fineweb_2_hq.fra_Latn.chunk.00.jsonl', 'fineweb_2_hq.fra_Latn.chunk.01.jsonl', 'fineweb_edu_100bt.chunk.00.jsonl', 'fineweb_edu_100bt.chunk.01.jsonl', 'fineweb_2_hq.hun_Latn.chunk.00.jsonl', 'fineweb_2_hq.hun_Latn.chunk.01.jsonl', 'fineweb_2_hq.ind_Latn.chunk.00.jsonl', 'fineweb_2_hq.ind_Latn.chunk.01.jsonl', 'fineweb_2_hq.ita_Latn.chunk.00.jsonl', 'fineweb_2_hq.ita_Latn.chunk.01.jsonl', 'fineweb_2_hq.jpn_Jpan.chunk.00.jsonl', 'fineweb_2_hq.jpn_Jpan.chunk.01.jsonl', 'fineweb_2_hq.nld_Latn.chunk.00.jsonl', 'fineweb_2_hq.nld_Latn.chunk.01.jsonl', 'fineweb_2_hq.pol_Latn.chunk.00.jsonl', 'fineweb_2_hq.pol_Latn.chunk.01.jsonl', 'fineweb_2_hq.por_Latn.chunk.00.jsonl', 'fineweb_2_hq.por_Latn.chunk.01.jsonl', 'fineweb_2_hq.rus_Cyrl.chunk.00.jsonl', 'fineweb_2_hq.rus_Cyrl.chunk.01.jsonl', 'fineweb_2_hq.spa_Latn.chunk.00.jsonl', 'fineweb_2_hq.spa_Latn.chunk.01.jsonl', 'fineweb_2_hq.swe_Latn.chunk.00.jsonl', 'fineweb_2_hq.swe_Latn.chunk.01.jsonl', 'fineweb_2_hq.tur_Latn.chunk.00.jsonl', 'fineweb_2_hq.tur_Latn.chunk.01.jsonl', 'fineweb_2_hq.vie_Latn.chunk.00.jsonl', 'fineweb_2_hq.vie_Latn.chunk.01.jsonl'] | |
|
|
| ## Usage |
|
|
| ```python |
| from transformers import AutoTokenizer |
| |
| tokenizer = AutoTokenizer.from_pretrained("flexitok/bpe_script_aware_charr_AllL_128000") |
| tokens = tokenizer.encode("Hello, world!") |
| ``` |
|
|
| ## Files |
|
|
| - `tokenizer.json` — Full HuggingFace tokenizer |
| - `vocab.json` — Vocabulary mapping |
| - `merges.txt` — BPE merge rules |
|
|
| ## Sample Encoding |
| | Text | Tokens | Token IDs | |
| |------|--------|-----------| |
| | `Hello, world! 12345 This is a test. こんにちは` | `Hello, ,, Ġworld, !, Ġ, 123, 45, ĠThis, Ġis, Ġa, Ġtest, ., Ġãģĵ, ãĤĵ, ãģ«, ãģ¡, ãģ¯` | `105324, 14, 6289, 3, 223, 22942, 4306, 4128, 580, 266, 2392, 16, 17920, 1728, 616, 2729, 701` | |
|
|
| Command used to create this tokenizer: |
| ```bash |
| ['/home/gsa/tokenizers2/flexitok/tokenizer_training/train_tokenizers.py', 'algorithm=bpe', 'vocab_size=128000', 'langs=[arb_Arab,ces_Latn,cmn_Hani,dan_Latn,deu_Latn,ell_Grek,fra_Latn,fw_edu,hun_Latn,ind_Latn,ita_Latn,jpn_Jpan,nld_Latn,pol_Latn,por_Latn,rus_Cyrl,spa_Latn,swe_Latn,tur_Latn,vie_Latn]', 'data_dir=/scratch/gsa/data/flexitok/', 'output_dir=/scratch/gsa/trained_tokenizers', 'pretokenizer=custom:SCRIPT_AWARE_CHAR_PATTERN', 'number_handling=ltr_3digit', 'add_numbers=true', 'handle_contractions=true', 'unicode_normalization=nfc', 'use_byte_level_regex=false', 'byte_fallback=false', 'strip_zero_width=false', 'cjk_char_split=false', 'cjk_char_coverage=0.999', 'add_cjk_chars=true', 'max_lines=500_000', 'hf.publish_to_hf=true', 'hf_repo_prefix=flexitok/', 'hf.hf_repo_id=flexitok/bpe_script_aware_charr_AllL_128000', 'hf.collections=[flexitok/script-based-tokenizers]'] |
| |
