 | | | CPUs and XSI/mental ray... | CPUs and XSI/mental ray... 2005-06-22 - By Alan Jones
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Oh Something I should probably add on this CPU discussion. Next year
(apparently first hal if memory serves) Intel and AMD will be
releasing CPUs with support for virtualization. This means you'll be
able to run windows and linux simultaneous on your PC (actually you
can run even more than two OSes at once - I've no idea what the limit
is).
You only get about a 2% hit on the speed in this case - much less than
VMWare etc.
There's an open source project which already allows virtualization
though without hardware support you need to modify the OS to work with
it. i.e. recompiling windows.
http://www.cl.cam.ac.uk/Research/SRG/netos/xen/
So if you're going for a big upgrade of your pipeline you might want
to hang off for these.
Cheers,
Alan.
On 6/22/05, Halfdan Ingvarsson <hingvars@(protected)> wrote:
> Official answer:
>
> One Chip == One License
>
> The number of cores on that chip is not taken into account.
>
> - �
>
> > -- --Original Message-- --
> > From: owner-xsi@(protected)
> > [mailto:owner-xsi@(protected)]On Behalf
> > Of Rob Wuijster
> > Sent: Wednesday, 22 June, 2005 09:34
> > To: XSI@(protected)
> > Subject: RE: CPUs and XSI/mental ray...
> >
> >
> > From what I understood most mobo's will only need an BIOS update to
> > recognize the dualcore CPU's, the socket is the same.
> >
> > Most important question in this entire upgrading madness is the
> > mentalray licensing, will a dualcore be "seen" as one CPU or will
> > eveybody need two extra licenses to get rendering on the two
> > extra CPU's
> > that are on the dye.....
> >
> > rob
> >
> > -- --Original Message-- --
> > From: owner-xsi@(protected)
> > [mailto:owner-xsi@(protected)] On Behalf
> > Of Lee Hallett
> > Sent: Wednesday, June 22, 2005 2:24 PM
> > To: XSI@(protected)
> > Subject: RE: CPUs and XSI/mental ray...
> >
> > OK, dumb question again - will the dual-core processors fit onto a
> > standard motherboard? So if I got e.g a dual processor
> > motherboard with
> > 2x single core processors, I could upgrade the procs to dual core at a
> > later date?
> >
> > (PS are opterons the better choice for XSI?)
> >
> >
> > >Lee|3d animation and design..
> > >Pixel pusher & 'telly colouring in' bloke
> > >
> > There are only 10 sorts of people in the World - those that understand
> > binary, and those that don't.
> >
> >
> > > * BBC Wales | C4 graphics area | Broadcasting House| Llandaff,
> > Cardiff. CF5 2QY.
> > > * +44 (0)29 203 23370
> > >e-* lee.hallett@(protected)
> > >
> > >
> >
> >
> > -- --Original Message-- --
> > From: owner-xsi@(protected)
> > [mailto:owner-xsi@(protected)] On Behalf
> > Of peterb
> > Sent: 22 June 2005 13:17
> > To: XSI@(protected)
> > Subject: Re: CPUs and XSI/mental ray...
> >
> >
> >
> >
> > > My bad - it's just the amd64 X2 there too, no sign of opteron dual
> > > core.
> >
> >
> > Hm weird because the opterons were released Q2-05 , while the Amd64 X2
> > only Q3-05.
> >
> > I have a retailer here that just has them in (the opterons), not UK
> > though...
> >
> > I wonder what would be the way to go,
> > single opteron dual core now, and add a second one later, or dual
> > opteron single core now, and replace the whole bunch later. the dual
> > core cpu costs about the triple of a single core with same clock
> > speed...
> >
> > I'm mostly interested in rendering performance.
> >
> >
> > On 6/22/05, Alan Jones <skyphyr@(protected)> wrote:
> > > > Overclockers.co.uk are saying they should have them in on
> > the 24th
> > > > June (I'm sorting a new PC at the moment and trying to decide
> > > > whether to splurge or not...)
> > > >
> > > > Cheers,
> > > >
> > > > Alan.
> > > >
> > > > On 6/21/05, Lee Hallett <lee.hallett@(protected)> wrote:
> > > > >
> > > > > Cheers Brad - what's the availabillity of dual core like at the
> > moment? I
> > > > > thought they weren't readily available for a while?
> > > > >
> > > > > Cheers for the tips on cache (and it's relative importance) and
> > > > > the
> > memory
> > > > > controller issues on dual procs.
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Lee|3d animation and design..
> > > > >
> > > > > Pixel pusher & 'telly colouring in' bloke
> > > > >
> > > > > There are only 10 sorts of people in the World - those that
> > > > > understand binary, and those that don't.
> > > > >
> > > > >
> > > > >
> > > > > * BBC Wales | C4 graphics area | Broadcasting House|
> > Llandaff,
> > > > > Cardiff. CF5 2QY.
> > > > > ( +44 (0)29 203 23370
> > > > > e-* lee.hallett@(protected)
> > > > >
> > > > >
> > > > > -- --Original Message-- --
> > > > > From: owner-xsi@(protected)
> > [mailto:owner-xsi@(protected)] On
> > Behalf Of
> > > > > Brad Friedman
> > > > > Sent: 21 June 2005 14:19
> > > > > To: XSI@(protected)
> > > > > Subject: Re: CPUs and XSI/mental ray...
> > > > >
> > > > > The larger the cache, the better. Especially for rendering. A
> > > > > larger
> > cache
> > > > > means more rendering binary code can live closer to the
> > CPU along
> > > > > with
> > more
> > > > > data. Since rendering is such a repetitive process,
> > cache is very
> >
> > > > > important. It keeps one from taking too many memory access
> > performance
> > > > > hits.
> > > > >
> > > > > I have seen nothing but stunning benchmark results for AMD Dual
> > > > > Core
> > chips.
> > > > >
> > > > > As far as motherboards go, when it comes to AMD opteron
> > dual proc
> > systems,
> > > > > there are two main types:
> > > > >
> > > > > 1) The type in which a single memory controller is
> > shared between
> > > > > the
> > CPUs
> > > > > (in which case one CPU has slower memory access due to using a
> > > > > hypertransport pipe to get access to main memory)
> > > > >
> > > > > 2) The type in which each CPU has its own dedicated memory
> > > > > controller.
> > This
> > > > > is faster.
> > > > >
> > > > > The introduction of dual core opterons will make for a
> > frightening
> > machine
> > > > > for certain, with four cores spread over two CPUs.
> > Though, with
> > > > > the uncertainty of mental ray licensing on dual
> > cores... I don't
> > > > > know how
> > that
> > > > > works out with regards to $$. Anyone know if mental
> > images ever
> > > > > got
> > around
> > > > > to telling us how licensing will be affected by dual core chips?
> > > > >
> > > > > -brad
> > > > >
> > > > > Lee Hallett wrote:
> > > > >
> > > > >
> > > > > Very basic question: given the currently available hardware,
> > > > > what's
> > the best
> > > > > processor for a kick-ass XSI/mental ray workstation?
> > Any noteable
> > > > > considerations (Cache/motherboards etc)
> > > > >
> > > > > *sorry, I know this should go to the hardware list, but the
> > > > > reponse is always minimal!*
> > > > >
> > > > >
> > > > >
> > > > > Lee|3d animation and design..
> > > > >
> > > > > Pixel pusher & 'telly colouring in' bloke
> > > > >
> > > > > There are only 10 sorts of people in the World - those that
> > > > > understand binary, and those that don't.
> > > > >
> > > > >
> > > > >
> > > > > * BBC Wales | C4 graphics area | Broadcasting House|
> > Llandaff,
> > > > > Cardiff. CF5 2QY.
> > > > > ( +44 (0)29 203 23370
> > > > > e-* lee.hallett@(protected)
> > > > >
> > > > >
> > > > > http://www.bbc.co.uk/
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