def print_mtime(self, t1, explain):
        mtime = time() - t1
        print("%s:" % explain, round(mtime, 6))
        print("Krows/s:", round((self.nrows / 1000.) / mtime, 6))
dataset/ETHPy150Open PyTables/PyTables/bench/indexed_search.py/DB.print_mtime/original