[Sidefx-houdini-list] Houdini, sims & workstation specs

Marten Blumen martyb at gmail.com
Tue Mar 31 23:53:38 EDT 2015


Perfect! In 'About Houdini' there is an OpenCL section, look for: Device
Address Bits & Global Memory.

Thanks!



On 1 April 2015 at 16:45, Jordan Halsey <jordanhalsey at gmail.com> wrote:

> I have the titan coming in this week or early next , as well Nvidia dropped
> off a m6000 the other day which I am looking forward to installing and
> testing.
>
> What do you need to do?
>
>
>
>
> *Jordan Halsey*
> *maya | houdini | nuke | ae*
> *www.jordanhalsey.com <http://www.jordanhalsey.com>*
> *323-273-9995*
>
> On Tue, Mar 31, 2015 at 8:20 PM, Marten Blumen <martyb at gmail.com> wrote:
>
> > We need someone to test the Titan X 12Gig; the Nvidia drivers for OpenCL
> > are 32bit afaik, which means OpenCL is limited to 4GB. AMD drivers which
> > are 64bit(?) allows 4GB+ for OpenCL
> >
> > On 1 April 2015 at 16:08, Marten Blumen <martyb at gmail.com> wrote:
> >
> > > Numa is non-uniform memory access - each cpu has a bank of memory
> > > physically located next to it, for speed, and Numa is when the other
> cpu
> > > needs to access that bank of Ram. That connection is the Quick Path
> > > Interconnect and is not as fast as the connection from CPU to it's
> local
> > > ram.
> > >
> > > http://en.wikipedia.org/wiki/Non-uniform_memory_access
> > >
> > > On 1 April 2015 at 15:57, Jordan Halsey <jordanhalsey at gmail.com>
> wrote:
> > >
> > >> Marten,  what is Numa?
> > >>
> > >> Zoran, I have the same machine, but added in a k5200 as well as the
> > k4000
> > >> and am extremely happy with the machine. I have been using redshift
> > render
> > >> which can use both cards and is wicked fast.
> > >>
> > >> The new Titan 12 gig came out which is probably what I would buy at
> this
> > >> point.
> > >>
> > >>
> > >> *Jordan Halsey*
> > >> *maya | houdini | nuke | ae*
> > >> *www.jordanhalsey.com <http://www.jordanhalsey.com>*
> > >> *323-273-9995*
> > >>
> > >> On Tue, Mar 31, 2015 at 2:54 PM, Marten Blumen <martyb at gmail.com>
> > wrote:
> > >>
> > >> > All sounds good but beware of Numa with more than one CPU. The qpi
> > hyper
> > >> > transport between multiple CPUs can be a bottle neck compared to a
> > >> single
> > >> > processor, in theory.
> > >> >
> > >> > On 1 April 2015 at 09:44, Zoran Arizanovic <
> > zoran.arizanovic at gmail.com>
> > >> > wrote:
> > >> >
> > >> > > agree completely
> > >> > > i have hpz800 with two xeons , ssd, 72gb ram
> > >> > > the only mistake /problem with it I've put quadro 4000 in
> > >> > > and it overheats a lot
> > >> > >
> > >> > >
> > >> > >
> > >> > > Zoran Arizanovic
> > >> > > LinkedIn <http://www.linkedin.com/pub/zoran-arizanovic/4/177/295>
> > >> > >
> > >> > >
> > >> > > On Tue, Mar 31, 2015 at 8:40 PM, Ron Schab <ron.schab at gmail.com>
> > >> wrote:
> > >> > >
> > >> > > > agreed with above.
> > >> > > >
> > >> > > > If you are on a budget I can recommend the HP Z800's. I got a
> > barely
> > >> > used
> > >> > > > dual hexacore for 700Euros (12 months warranty included).  It is
> > not
> > >> > the
> > >> > > > newest nor fastest HW u can get these days, but they are still
> > >> really
> > >> > > good
> > >> > > > and take up to 192gb of RAM ... just a thought :)
> > >> > > >
> > >> > > > cheers
> > >> > > > Ron
> > >> > > >
> > >> > > >
> > >> > > > On Tue, Mar 31, 2015 at 8:35 PM, Peter Bowmar <
> pbowmar at gmail.com>
> > >> > wrote:
> > >> > > >
> > >> > > > > Oh, GPU is actually useful for Grain (Sand) simulations, so if
> > you
> > >> > > think
> > >> > > > > you might do a lot of those, then a better graphics card will
> > >> > > potentially
> > >> > > > > be useful there. Not as useful for Fluid or Pyro sims though,
> > they
> > >> > > never
> > >> > > > > fit in the card's RAM except at preview resolutions.
> > >> > > > >
> > >> > > > > On 31 March 2015 at 11:34, Peter Bowmar <pbowmar at gmail.com>
> > >> wrote:
> > >> > > > >
> > >> > > > > > Yup, RAM > CPU > Diskspeed > graphics card. Spend the least
> > you
> > >> can
> > >> > > on
> > >> > > > > the
> > >> > > > > > graphics card and the most you can on RAM first (64gb the
> > >> minimum)
> > >> > > then
> > >> > > > > > whatever is left on CPU :)
> > >> > > > > >
> > >> > > > >
> > >> > > > >
> > >> > > > >
> > >> > > > > --
> > >> > > > > Cheers,
> > >> > > > >
> > >> > > > > Peter B
> > >> > > > >
> > >> > > > > --Dinner is ruined!
> > >> > > > > _______________________________________________
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> > >> > > > >
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> > >> > > > >
> > >> > > > _______________________________________________
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> > >> > > >
> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> > >> > > >
> > >> > > _______________________________________________
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> > >> > >
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