040000 tree 1a7f13b783783c7144cf9f1015df2b1e74402abe	array_ops
040000 tree 05ae6f46033f9ded7df1a7d56053bf7ab99b2245	kmeans
040000 tree 4a42505ab92d15150a70cf881509d3930761bc12	sketch
040000 tree 1f97f701d78db1731c61616879a2ea0739bbed3b	stemmer
040000 tree e644424e2d4ae95e6dcc992ba5584145bbe38032	svec
040000 tree 962a418601f44f2218e82d953621b255b69f5972	svec_util
040000 tree afb516ca418f0501e6ff82372768ce60aefa3a93	utils