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a5e8634
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1 Parent(s): 77bdd2a

Create train_tokenizer.py

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  1. train_tokenizer.py +25 -0
train_tokenizer.py ADDED
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+ print("[*] Loading libraries...")
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+ from datasets import load_dataset
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+ from tokenizers import ByteLevelBPETokenizer
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+ from tqdm import tqdm
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+
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+ dataset = load_dataset("HuggingFaceFW/fineweb-edu", "sample-10BT", split="train", streaming=True)
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+ def get_training_corpus():
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+ dataset_iter = iter(dataset)
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+ for _ in tqdm(range(1_000_000), desc="Feeding data"):
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+ yield next(dataset_iter)["text"]
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+
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+ tokenizer = ByteLevelBPETokenizer()
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+
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+ print("[*] Training tokenizer...")
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+
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+ tokenizer.train_from_iterator(
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+ get_training_corpus(),
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+ vocab_size=8192,
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+ min_frequency=2,
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+ show_progress=True,
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+ special_tokens=["<s>", "<pad>", "</s>", "<unk>", "<mask>"]
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+ )
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+
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+ tokenizer.save_model(".", "custom_llama_tokenizer")
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+ print("[*] Tokenizer training complete!")