I made a new build of current and the problem with tar performance seems
to be resolved now.
before:
# time tar -xzpf /usr/releasedir/comp53.tgz
3m17.81s real 0m2.14s user 0m2.22s system
# time tar -xzpf /usr/releasedir/base53.tgz
3m39.33s real 0m2.23s user 0m2.23s system
after:
# dmesg|head -n2
OpenBSD 5.3-current (GENERIC.MP) #0: Tue Jul 2 22:44:07 CEST 2013
root@test:/usr/src/sys/arch/amd64/compile/GENERIC.MP
# time tar -xzpf /usr/releasedir/comp53.tgz
0m8.92s real 0m1.80s user 0m1.07s system
# time tar -xzpf /usr/releasedir/base53.tgz
0m11.29s real 0m2.21s user 0m1.17s system
Best Regards
Andreas