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tmast71
Posts: 4
Registered: ‎01-10-2012
Message 1 of 7 (1,657 Views)

CPU & Inventor 2012/2013

1657 Views, 6 Replies
06-10-2012 11:44 PM

Hi,

 

when I use a PC with more then one CPU can Inventor 2012/2013 use then all, or is it only running on one CPU?

 

BR

Tom

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sam_m
Posts: 594
Registered: ‎11-05-2003
Message 2 of 7 (1,650 Views)

Re: CPU & Inventor 2012/2013

06-11-2012 12:47 AM in reply to: tmast71

For most of its use Inventor only uses 1 core.  The main things that take advantage of multiple cores/cpus are rendering, fea and with 2012 (and newer) each idw view is rendered/calculated with a separate core.

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mrattray
Posts: 2,456
Registered: ‎09-13-2011
Message 3 of 7 (1,622 Views)

Re: CPU & Inventor 2012/2013

06-11-2012 06:45 AM in reply to: sam_m

This isn't just an Inventor limitation, unless someone's come up with something new in the past few years that I didn't get the memo on. The problem is with any 3D CAD application, each feature in a model tree has to be fully computed before the next one can. Only one processor can work on a feature at a time, hence only one processor gets used.

Mike (not Matt) Rattray

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cwhetten
Posts: 1,051
Registered: ‎09-03-2008
Message 4 of 7 (1,595 Views)

Re: CPU & Inventor 2012/2013

06-11-2012 04:31 PM in reply to: sam_m

I don't think FEA uses multiple cores.  At least it doesn't when I use it (I REALLY wish it did...).  I've only ever seen it run 1.  Maybe it does in 2013, but not in 2012.

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henderh
Posts: 649
Registered: ‎06-07-2007
Message 5 of 7 (1,593 Views)

Re: CPU & Inventor 2012/2013

06-11-2012 05:00 PM in reply to: cwhetten

I can confirm that R2013 FEA (Stress Analysis) can utilize as many cores as your machine has for meshing and solving.  It is managed by the Windows O/S multi-core technology.

 

Hope this helps!

 

Best regards, -Hugh



Hugh Henderson
Simulation QA Engineer
DLS
Contributor psp
Contributor
psp
Posts: 34
Registered: ‎11-19-2003
Message 6 of 7 (1,553 Views)

Re: CPU & Inventor 2012/2013

06-15-2012 04:17 AM in reply to: mrattray

I agree the limitation that each feature in a model tree has to be fully computed before the next one can.

But there are many other time consuming tasks that could be distributed to multiple cores. As an example I do a lot of configurations in Inventor where one skeleton part is derived into many parts.

When I make changes in the skeleton part, perhaps 100 parts should be updated in the assembly. Each part could easily be calculated in its own process.

Valued Mentor
stevec781
Posts: 680
Registered: ‎05-29-2009
Message 7 of 7 (1,503 Views)

Re: CPU & Inventor 2012/2013

06-18-2012 03:31 AM in reply to: psp

DSS have figured out how to use more than 1 core at part level iin Catia - so it is possible, the question is now how long will it take autodesk programmers to figure out how to do it.

 

http://www.youtube.com/watch?v=V4pS5kSBh6A

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