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BIMx
About BIMx (mobile, web and desktop), connection to BIMcloud, and related technical questions.

Is BimX really this slow?

Eduardo Rolon
Moderator
Please correct me if I am wrong:

1. BimX is not 64 bit?

2. Does not use 100% of the CPU?

3. Not multiprocessor aware?

----
Ouch!

Will it get better?

Screen Shot 2011-10-02 at 10.37.29 PM.png
Eduardo Rolón AIA NCARB
AC28 US/INT -> AC08

Macbook Pro M1 Max 64GB ram, OS X 10.XX latest
another Moderator

6 REPLIES 6
Eduardo Rolon
Moderator
And the point is moot since the 12MB does not run on my iPad crashing every time.
Eduardo Rolón AIA NCARB
AC28 US/INT -> AC08

Macbook Pro M1 Max 64GB ram, OS X 10.XX latest
another Moderator

Karl Ottenstein
Moderator
These and many other issues in BIM Explorer were listed in a Wiki article about Virtual Building Explorer (previous name for the product), but that article is not available at the moment. I'll check on it.

BIM Explorer is apparently multiprocessor/multicore aware on Windows. It is a Mac issue that it will not use more than one core - and not even 100% of that one core - when generating the global illumination solution.

The latest version at least responds to alt-tab to let you switch to other applications while it slowly generates the lighting solution in the background.

Cheers,
Karl
AC 28 USA and earlier   •   macOS Sequoia 15.3.1, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB
Anonymous
Not applicable
Karl wrote:
BIM Explorer is apparently multiprocessor/multicore aware on Windows. It is a Mac issue that it will not use more than one core - and not even 100% of that one core - when generating the global illumination solution.
Dear Karl,

our latest version of 64 bit BIMx is using only one core of processor from six, while generating global illumination on Win7. So it's not only MAC issue.
Djordje
Virtuoso
Owls are not what they seem.
Djordje



ArchiCAD since 4.55 ... 1995
HP Omen
IArvay
Graphisoft Alumni
Graphisoft Alumni
Hi,

That is true that:

1. This version of BIMx is not 64 bit.
2. Does not use 100% of the processor, because it rather uses the Video Card.
3. Multiprocessor awareness is not supported at the moment. (But we have plans to change this.)

ejrolon, great polygon number or texture texture could be behind the troubles on ipad.

Cheers,

Illes
Illes Arvay
Technical Support Engineer
Graphisoft, Budapest
JaredBanks
Mentor
Eduardo,

What's the polygon count on the model? If you haven't used the PolyCount Add-On I talk about it a bit in this blog post. http://www.shoegnome.com/2011/10/16/polycount-add-on-and-airships/

And you can download the add-on here: http://www.graphisoft.com/support/archicad/downloads/ac15/INT.html

Objects, even though they are not huge MB-wise, can have a TON of polygons and really slow down a model.

There could be an error in 3D or something else that is slowing down the file. Also try re-exporting the BIMx file. I've found that re-exporting the exact file is all it takes to make it work. My guess is that sometimes the translation process goofs up?
Jared Banks, AIA
Shoegnome Architects

Archicad Blog: www.shoegnome.com
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