minix version : 3.1.2a, "make world" in /usr/src

1. qemu - 0.9.0 without kqemu with 256 MB ram
11:52.38 real 7:35.65 user 4:01.58 sys

2. kvm version 12 with 256 MB ram
23.11 real 0.00 user 0.00 sys

Its amazing

Regards,
Ameya.