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Should I enable Intel VT-x/VT-d for virtualized Ubuntu/ROS?

asked 2013-06-15 10:50:28 -0600

Peter Roos gravatar image


I've been wandering on the net for some info on this topic without success.

My confiusion comes from the fact that there are some theoretical writings on this topic, explaining the technology briefly and recommending it (again, theoretically), but on the other hand, I've read on forums that there is no performance difference. There are even posts about decreased performance. Some claim increased stability.

My Intel Core i5 2540M - as stated here - supports Intel VT-x and VT-d hardware assisted virtualization. I use the latest VirtualBox and Ubuntu 12.04 LTS to run ROS Fuerte.

Should I enable these technologies?

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answered 2013-06-16 22:59:24 -0600

felix k gravatar image

Enable it, why not.

For example, I needed to enable VT-d (-x not mentioned in BIOS) to let a VirtualBox use multiple processors.

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Asked: 2013-06-15 10:50:28 -0600

Seen: 1,094 times

Last updated: Jun 16 '13