040000 tree 1a7f13b783783c7144cf9f1015df2b1e74402abe	array_ops
040000 tree 40d05a5e8132c8fc408f39bc4241d15f36e14144	kmeans
040000 tree 9595da2a8880292fc96b7caf341c7e3284e4fd2c	sketch
040000 tree 1f97f701d78db1731c61616879a2ea0739bbed3b	stemmer
040000 tree e644424e2d4ae95e6dcc992ba5584145bbe38032	svec
040000 tree 962a418601f44f2218e82d953621b255b69f5972	svec_util
040000 tree afb516ca418f0501e6ff82372768ce60aefa3a93	utils