alexkstern/owt-gpt2bpe-9B
owt-gpt2bpe-9B OpenWebText (from apollo-research/Skylion007-openwebtext-tokenizer-gpt2), pre-tokenized with the gpt2bpe tokenizer (vocab 50,257) and packaged as flat uint16 token-id .bin files for fast memmap training. file split tokens train.bin train 9,015,870,208 val.bin val 20,000,000 train and val are disjoint held-out partitions. Each .bin is a raw little-endian uint16 stream (no header); token count = filesize / 2, and train.meta.json / val.meta.json… See the full description on the dataset page: https://huggingface.co/datasets/alexkstern/owt-gpt2bpe-9B.
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