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Re: [Xen-devel] Memory de-duplication (Persistent pages)

To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Subject: Re: [Xen-devel] Memory de-duplication (Persistent pages)
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Thu, 16 Sep 2010 22:50:20 +0300
Cc: Xen-devel <Xen-devel@xxxxxxxxxxxxxxxxxxx>, Kaustubh Kabra <kaustubhwise@xxxxxxxxx>
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On Thu, Sep 16, 2010 at 12:34:17PM -0700, Dan Magenheimer wrote:
> > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > Sent: Thursday, September 16, 2010 12:24 PM
> > To: Dan Magenheimer
> > Cc: Kaustubh Kabra; Xen-devel
> > Subject: Re: [Xen-devel] Memory de-duplication (Persistent pages)
> > 
> > On Thu, Sep 16, 2010 at 09:22:29AM -0700, Dan Magenheimer wrote:
> > >    This is an interesting idea, but  (1) there is no "standard " GPU
> > so I
> > >    don't think it will be possible to write Xen code generically for
> > this;
> > >
> > 
> > How about things like OpenCL ?
> 
> While I know nothing about OpenCL other than a quick read
> in wikipedia, I suspect that putting an OpenCL abstraction
> layer in the hypervisor is not going to be popular with
> Xen developers. :-)
>

Hehe, yeah, I can believe that :) OpenCL gives GPU abstraction
for non-graphics apps.. that's why I mentioned it.

"Xen hypervisor 5.0 requires a GPU with at least 4 GB of memory 
with optimized OpenCL drivers to support memory de-duplication". 

Maybe not ;)

-- Pasi


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