$ for i in `seq 1 5`; do ./runme.sh; done
warning: ignoring unknown argument: --enable-new-dtags
warning: ignoring unknown argument: -O3
warning: ignoring unknown argument for -z: origin

real    1m32.270s
user    2m37.000s
sys     0m12.376s
warning: ignoring unknown argument: --enable-new-dtags
warning: ignoring unknown argument: -O3
warning: ignoring unknown argument for -z: origin

real    1m33.996s
user    2m39.946s
sys     0m11.293s
warning: ignoring unknown argument: --enable-new-dtags
warning: ignoring unknown argument: -O3
warning: ignoring unknown argument for -z: origin

real    1m33.124s
user    2m37.868s
sys     0m11.845s
warning: ignoring unknown argument: --enable-new-dtags
warning: ignoring unknown argument: -O3
warning: ignoring unknown argument for -z: origin

real    1m33.016s
user    2m39.441s
sys     0m11.721s
warning: ignoring unknown argument: --enable-new-dtags
warning: ignoring unknown argument: -O3
warning: ignoring unknown argument for -z: origin

real    1m32.333s
user    2m38.809s
sys     0m11.862s