Hi Saul: I made the PBR building performance test as bellow, please check and review the result in the attached file. 10 python + 10 non-python loop test commands and steps list: $ time python setup.py -q rpm_version #time + ... can show the command execution time $ rm -rf .egg/ #clean the cache $ time python setup.py -q deb_version $ rm -rf .egg/ #clean the cache Please let me know if any issue! Thanks! Kehao.