Re: particle simulation and video cards

Date : Mon, 30 Apr 2007 15:41:39 -0400
To : XSI(at)Softimage.COM
From : Todd Alan Peleg <todd(at)theholdingcell.com>
Subject : Re: particle simulation and video cards
wow

umm.. gulp... i just did a test

default sphere
radius 2
20x20 resolution

my laptop plays it back about 3x faster than the boxx... in wireframe, and shaded

keep going half... what are you thinking?

Halfdan Ingvarsson wrote:
Does this happen with other sort of 3d playback? 256 x 256 mesh sphere, for example?
 
What happens if there are no 3d views open (ie. only the explorer for example)?
 
 - ½


From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Todd Alan Peleg
Sent: 30-Apr-2007 14:29
To: XSI(at)Softimage.COM
Subject: Re: particle simulation and video cards

nope.. wireframe.. OGL shade.. doesn't matter....

literally.. open XSI ... create particles from sphere...

play...

thats my test

also...of the 5 machines here.. its the same on ALL of them...

i would say this is an nvidia question... but.. i think they'll throw it back to Soft...



Bradley Gabe wrote:
And everything else is the same too? OS, disk speed, swap space? I'm grasping at straws here, but that seems really odd.
What about just displaying particles in wireframe? Maybe we can isolate whether it's number crunching CPU difference or graphics card acceleration.

actually..

i am talking get a default particle simulation (yes.. both caching - or not caching - locally)..

for instance... creat particles from sphere..

don't touch a thing..

it is faster on my machine (significantly) than on the boxx machine (all 4 windows AND just one window

all else is equal

Bradley Gabe wrote:
Strange situations like these merit strange questions:
What about caching? Are you caching locally on you notebook and doing network caches on the workstation? Or is the notebook also on the network?

boxx has 2 procs.. ( Intel Xeon 3ghz)

my laptop is 5 years old.. so i think that answers the dual core 
question..(just in case: P4 1.7ghz i gig ram)

Simon Pickard wrote:

> Is the Box(x) dual, or more cpu, and the laptop single core?
> Just wondering if there's some thrashing between cores going on with 
> the Box(x).
>
> Regards,
> Simon
>
>
>
>
> On 30/04/07, Todd Alan Peleg <todd(at)theholdingcell.com> wrote:
>
>> Here's a great one..
>>
>> see if anyone can verify this happening for them.. (and that excludes
>> you, Eric)
>>
>> the box(x) i am on at work has an nvidia quadro fx 3000 in it with 256
>> MB of RAM
>>
>> my laptop is 5 years old and has an nvidia geforce4 440 (to go) in it
>> with 32mb of ram.
>>
>> particle simulations (on ANY simulation) are about 3 times faster on my
>> laptop..
>>
>> anyone got an answer for that one????
>>
>> just to preface:
>> my laptop is nowhere near the box(x) i am working on at the office..
>> so.. its not hardware related to anything other than video card.. and
>> YES.. i have tried the most current driver, the oldest driver, AND the
>> softimage recommended driver..
>>
>> which by the way.. none of which are on my laptop.
>>
>> todd
>>
>>
>>
>>
>>
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