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Thread: Virtualbox performance much better than Vmware with same specs

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found interesting: got vmware , virtualbox guest windows xp, both same ram, both expandable hdds, run same host ssd quad core, vmware got 2 cpus , virtualbox 1 cpu assigned. guest os config same (fresh installs) except virtualbox has comodo firewall , therefore (theoretically) speed disadvantage.

vmware:

boot 45 sec, shutdown 19 sec


virtualbox:

boot 27 sec, shutdown 11 sec


difference: on 50%!

find interesting...

quote posted azenz view post
found interesting: got vmware , virtualbox guest windows xp, both same ram, both expandable hdds, run same host ssd quad core, vmware got 2 cpus , virtualbox 1 cpu assigned.
.........
assigning multiple cpus vm can slow vm down because host has priority cpu resources , if both virtual cpu's not available vm waits both available.

statistically there far more chance of single cpu being available if host busy vm 1 cpu allocated has more opportunity use resource if had wait 2 cpus become available.

in past have had vmware vms run lot better using single cpu more one.


Forum The Ubuntu Forum Community Ubuntu Specialised Support Virtualisation Virtualbox performance much better than Vmware with same specs


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