[Sidefx-houdini-list] Linux memory limitations?

Jed Schwartz jed at jedschwartz.com
Fri Nov 16 12:01:39 EST 2007


Thanks Abdul!


I think it's probably worth waiting a month or two after checking  
this out:

http://www.macrumors.com/2007/10/18/penryn-based-mac-pros-soon/

Jed-



On Nov 16, 2007, at 9:30 AM, Abdul-Kareem Abo-Namous wrote:

> We have Quadro 4500 cards in almost all MacPros, and a Geforce 7300
> (standard option) in one of them. Both configurations work great  
> with Maya
> (and H9 Apprentice), no glitches. Both applications are at the most  
> stable
> I've ever experienced them on ubuntu64. Getting fedora to work was  
> alot of
> hassle, whereas ubuntu ran straight out of the box. And the whole
> compiz/beryl thing has to be turned off however. BTW, if anyone's
> interested: Nuke and Shake also both work perfectly.
>
> Dual (or triple) booting is a definite plus, as is having FinalCut  
> Studio on
> OSX. I haven't had any other octocore machines here, but our render  
> manager
> tells me that the 3,0 GHz 8-core is 2.2 times as quick as the next  
> quickest,
> a 2.6 GHz Quadcore PC (all of this measured with mental ray  
> benchmarks).
>
> And don't forget that the great thing about Apple hardware is the slow
> devaluation. So upgrade cycles (selling current, buying new) can be  
> much
> shorter.
>
> Hope this helps. It does sound like a sales pitch, so don't let  
> that confuse
> you :)
>
> cheers
>
> On Nov 16, 2007 3:07 PM, Jed Schwartz <jed at jedschwartz.com> wrote:
>
>> We priced out a bunch of systems and the MacPro sells for a bit less
>> than a PC with very similar specs--We're not looking at a big
>> savings-- really just a few bucks-
>>
>> That said, I'd like to hear the answer to Jose's question below-.
>> Having the option of booting OSX as well as linux on the same system
>> makes this the option for us--, BUT-only if we're going to get a
>> system that will match houdini's performance on a quad core "PC" -
>> Linux box-
>>
>> Thanks-
>>
>>
>> On Nov 14, 2007, at 12:33 PM, jose fernandez wrote:
>>
>>> Mentioning the MacPros (and changing the subject a bit), what  
>>> graphics
>>> card do you have on them on how well does it perform with houdini  
>>> (on
>>> ubuntu or fedora). Are you using this machines in actual production?
>>> Abdul-Kareem Abo-Namous wrote:
>>>> I recommend the MacPro 3GHz Xeon 8-core machines. Very reliable,
>>>> ridiculously fast, and you get to triple-boot OSX, windows and  
>>>> linux.
>>>> However, be aware that there are issues with both Win32 (only
>>>> seeing 2 GB of
>>>> RAM) and Win64 (missing drivers). I have ubuntu and fedora (both  
>>>> 64)
>>>> installed on the MacPros, and so far no issues. In fact, ubuntu
>>>> even lets
>>>> you use the special keys on the Mac keyboard. And as far as bang
>>>> for bucks
>>>> goes, there's nothing that comes close at the moment.
>>>>
>>>> BTW, if you intend to use only Windows/Linux on those machines,
>>>> you can buy
>>>> them with the default graphics card, and replace it with any PC
>>>> compatible
>>>> card. OSX won't boot, but everything else will.
>>>>
>>>> cheers
>>>>
>>>> On Nov 13, 2007 6:52 PM, Jed Schwartz <jed at jedschwartz.com> wrote:
>>>>
>>>>
>>>>> Hey John,
>>>>>
>>>>> These new systems are going to be used primarily as workstations-
>>>>> However, being a very small studio we're always looking to
>>>>> squeeze as
>>>>> much productivity as possible out of our systems- We might tend to
>>>>> spend more on our workstations so they can double as  
>>>>> contributors to
>>>>> the render pipeline even as we work-
>>>>>
>>>>> We do have to deal with some pretty huge CAD dada sets- most of  
>>>>> our
>>>>> production is HD 1080- So the faster the better for both  
>>>>> display and
>>>>> render-  If anyone has configuration suggestions, I'm all ears.
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Jed-
>>>>>
>>>>>
>>>>> On Nov 13, 2007, at 12:09 PM, John Coldrick wrote:
>>>>>
>>>>>
>>>>>> On Tuesday 13 November 2007 12:00, Jed Schwartz wrote:
>>>>>>
>>>>>>> We're replacing a couple of our older linux boxes- Anyone know
>>>>>>> what
>>>>>>> the memory limitations are when running 64 bit- (ubuntu)? Not
>>>>>>> looking
>>>>>>> to buy more memory that we can put to use-
>>>>>>>
>>>>>>       None within real world limitations for rendering boxes or
>>>>>> workstations, i.e.
>>>>>> a crapload, 128G or something.  However, I would caution you with
>>>>>> Houdini 9
>>>>>> in going the heavy memory approach, assuming you're talking
>>>>>> rendering boxes.
>>>>>> Mantra threads now, so for many tasks you'd want to run less  
>>>>>> mantra
>>>>>> renders
>>>>>> threading more and having a lower memory footprint rather than
>>>>>> loading up
>>>>>> multiple renders.  Of course, there's extenuating circumstances,
>>>>>> depends on
>>>>>> the render you're doing, if you have particularly massive  
>>>>>> datasets,
>>>>>> if it's a
>>>>>> workstation and you want a lot of overhead for that, etc etc.
>>>>>>
>>>>>>       Cheers,
>>>>>>
>>>>>>       J.C.
>>>>>>
>>>>>> --
>>>>>> John Coldrick                  www.axyzfx.com        Axyz  
>>>>>> Animation
>>>>>> 416-504-0425                                         477
>>>>>> Richmond St W
>>>>>>                                                      Toronto, ON
>>>>>> Canada
>>>>>> jc at axyzfx.com                                        M5V 3E7
>>>>>> ----------------------------------------------------------------- 
>>>>>> --
>>>>>> ---
>>>>>> -
>>>>>> "Spare no expense to save money on this one."
>>>>>>               -- Samuel Goldwyn
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