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Re: [PLUG] Virtualization question: Is there a performance benefit to running either a 32bit or 64bit Linux guest under virtualization?
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- From: Art Alexion <art.alexion@gmail.com>
- To: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>
- Subject: Re: [PLUG] Virtualization question: Is there a performance benefit to running either a 32bit or 64bit Linux guest under virtualization?
- Date: Fri, 27 Aug 2010 15:36:25 -0400
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With virtualbox, I was able to run a 64 bit guest on a 32 bit host. It was painfully slow as compared to the 32 bit guest. It was not and to see all of the physical RAM anyway as it was limited to using what the host could see.
What does work is using the 32 bit pae kernel.
--
Art Alexion
On Aug 27, 2010 1:12 PM, "Amul Shah" <amul@amulz.com> wrote:
> Is there a performance benefit to running either a 32bit or 64bit Ubuntu guest under virtualization? I know it probably depends upon the implementation of the hyper visor, but I am curious to learn if it makes a difference in guest OS performance.
>
> My itch to scratch is deciding whether or not to run a 32bit or 64bit Linux guest on VMware's desktop (Fusion) virtualization. The underlying hardware is x86_64 with VT-enabled.
>
> thanks,
> Amul
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