bpe

Byte pair encoding

Usage

Learn BPE units:

cat input.txt | python learn_bpe.py -u 10000 > bpe_units

Apply BPE:

cat input.txt | python apply_bpe.py bpe_units > input.bpe

apply_bpe has two matchings strategies: longest and shortest. Long finds the longest possible match, while shortest does the opposite. The separator can also be redefined with the -s switch.