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Interesting results (Hardware revisited)

6 REPLIES 6
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Message 1 of 7
Anonymous
220 Views, 6 Replies

Interesting results (Hardware revisited)

Just done some more hardware benchmarking with Inventor 7, and boy did we turn out some interesting results.

Haven't collated all the results yet, and haven't drawn any conclusions, but I will send a PDF to Sean when they're published so
he can put it on his website. Just suffice to say that a small trenching machine assembly (8000 ish parts) on a single P4 3.06GHz
running on Intel Lacrosse MoBo, 2GB RAM IDE RAID, Quadro FX1000 was more responsive and created 2D views faster than a Dual Athlon
2800+ with same disk/graphics.

John Bilton
6 REPLIES 6
Message 2 of 7
StuartMoore
in reply to: Anonymous

That's just a straight fight between the processors since IV will not use two processors to create 2D views. In fact, IV only uses one processor for most things. The other one will just sit there twiddling its thumbs - Irritating.
Message 3 of 7
Anonymous
in reply to: Anonymous

"since IV will not use two processors to create 2D views"

Yes it will. In fact it's the only thing it will use the 2nd processor for
at this time.

--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
www.sdotson.com/faq.html
-----------------------------------------------------------------------
"StuartMoore" wrote in message
news:f1664d7.1@WebX.maYIadrTaRb...
> That's just a straight fight between the processors since IV will not use
two processors to create 2D views. In fact, IV only uses one processor for
most things. The other one will just sit there twiddling its thumbs -
Irritating.
Message 4 of 7
Anonymous
in reply to: Anonymous

Interesting thing was running some performance profiling and studying what was going on when projecting multiple views of an 8000
part assembly, it only used both CPU's fully for about 10-15seconds of the whole 5 minute process. This is why *I think* that the
newer P4 chips on 800MHz bus are going to be the things to go for - unless of course you multithread yourself on various
applications or run Max

John Bilton
Message 5 of 7
Anonymous
in reply to: Anonymous

Stuart must be using NT, it does not utlize the multiprossesors very efficiently. Mike
Message 6 of 7
Anonymous
in reply to: Anonymous

Sean et al,

Yes, IV does use the 2nd processor for view creation, and you can do other
work with the first cpu meanwhile.
Up to my understanding IV will not use BOTH processors for view creation,
and it takes a reasonable amount of overhead and time to hand over the data
from the 1st cpu to the 2nd (that's the reason why view creation is faster
in MDT, and should be faster in single cpu systems)

But again, a dual system stays responsive during view creation. That's the
main advantage up to my knowledge.

Please correct me if I'm wrong!

--
Regards,
---
Leo Laimer
Bad Ischl - Austria
Message 7 of 7
Anonymous
in reply to: Anonymous

Hit the nail on the head as usual Leo. I personally prefer dual CPU's as I work on several applications at once, particularly
when it's my turn to man the telephone help line. It came as a shock to see the view performance of a hyperthreaded P4 on the
latest Intel motherboard technology when creating views of a large assembly. I'm still sticking with duals

John Bilton

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