# Optional comparison engines for the runtime stemming benchmark. # radixor itself must already be built (maturin develop) in the same env. # Any subset may be installed; the harness auto-detects what is present. PyStemmer # Snowball as a C extension (libstemmer); real batch API snowballstemmer # Official pure-Python Snowball (used via its pure backend) nltk # Porter (English) pure-Python reference baseline