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

Jordan Halsey jordanhalsey at gmail.com
Wed Apr 1 10:12:44 EDT 2015


Marten,

Will do.

There is a tool in the Nvidia distro's called nvidia-smi
<https://developer.nvidia.com/nvidia-system-management-interface>.exe that
will display gpu stats while in process.


*Jordan Halsey*
*maya | houdini | nuke | ae*
*www.jordanhalsey.com <http://www.jordanhalsey.com>*
*323-273-9995*

On Wed, Apr 1, 2015 at 1:17 AM, Ron Schab <ron.schab at gmail.com> wrote:

> Hey Marten,
>
> thanks for the heads up re DualCPU's.  However if I am not mistaken the
> Z800's are setup that each CPU has it's own set of memory banks allocated
> to it ... aka 96gb max per CPU, which isn't that bad still.
>
> " The HP Z800 supports a maximum amount of dual in-line memory modules up
> to 96GB in a single processor configuration and 192GB in a dual processor
> configuration. " (
> http://www.servermonkey.com/parts-and-upgrades/memory/hp/z800-memory.html)
>
>
> I've also got an 8GB nvidia quadro in my laptop, which I been meaning to
> test openCL with ... just haven't gotten around to it ... I could run a
> quick test, but not sure how to check the gpu ram usage on windows.  How
> would I reliable check how much gRam is used vs it "swapping"?
>
> cheers
> Ron
>
>
>
> On Wed, Apr 1, 2015 at 5:53 AM, Marten Blumen <martyb at gmail.com> wrote:
>
> > 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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