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[Xen-users] Intel vPro performance gains?

  • To: xen-users@xxxxxxxxxxxxx
  • From: michael dorner <dorner@xxxxxxxxx>
  • Date: Sun, 28 Jul 2013 20:50:15 +0200
  • Delivery-date: Sun, 28 Jul 2013 18:52:01 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>


I am currently building a new system for my own semi-personal use, and I have previously used Xen on my old System. I plan to use Xen more heavily with my new system, since I am a computer science student and would I like to do more with virtualization. I want to run Windows as well as Linux VMs with graphics passthrough at the least performance loss possible (obviously).

I would like to know if, and if yes, how much you can gain if your motherboard supports the vPro features of the current generation of Intel-chipsets(4th. core i). I would use an i7 4770 with a Q87-mainboard if there is a major gain to be expected, but resort to an i7 4770K with a Z87 for OC, in case the gain is not that big. Does anyone of you have experience with how the presence/absence of vPro (especially VT-d) impacts GPU-, I/O-performance? I dont expect any reference benchmarks here, but any experience would really help, even if its just "I have x% of what I have natively with/without vPro".

I would usually tend to use a regular Z87 board, because I do not like the "security"-features of the vPro-spec that well. I would ask about AMD too, but I am not up-to-date about their chips and they tend to have worse performance and/or siginificantly higher TDP than Intel chips. If anyone happens to knows a config with AMD that works great however I would appreciate that too.

Best regards and many thanks,

Michael Dorner

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