Performance Issue

[u/blvvdy_mvvpet]

Hey,

Lately I’ve been dealing with this pop up that says „Updating 3D“ and it takes a long time to process the 3D model.

Although my computer can run the program perfectly alright and I used Revit before which I never had this issue before.

Are there any optimisations for Archicad I should be aware of ? Or any solution to fix this issue ? It really eats up on my time.

Thank you.

Update: Performance improved after changing the mode to Turbo and enabling CPU Boost.

[u/TheQuantixXx]

in my experience thats just part of the archicad experience.

other tools load and display similar projects in no time.

happy to be corrected here!

[u/blvvdy_mvvpet → u/TheQuantixXx]

So that means no matter what configurations on a computer, archicad would be slow updating 3D ?

[u/Afraid_Amphibian_922 → u/TheQuantixXx]

How…what? No.
I run pretty detailed (single family home) models on a 5 year old xps pc and 7 year old Intel Mac and a new Mac mini M4.
No problems whatsoever.

We need to know about the model to know what the problem may be. Overly complex digital terrain models could be an issue. Too many SEOs could be an issue. But it would have to be ALOT because I use plenty in my models no problemo.

Is the model imported from revit? Or a model you made on Archicad?

[u/blvvdy_mvvpet → u/Afraid_Amphibian_922]

The model is created on archicad but I could only say that the terrain is quite big, around 4000 square meter and it has various elevations. As for the building itself, I have only worked on the ground floor yet so it is no finished so I don’t think there’s many SEOs.

[u/Afraid_Amphibian_922 → u/blvvdy_mvvpet]

Have you tried making the digital terrain model by itself, as one project, then the building as another project with no digital terrain model…and then hotlink them? When done you can still SEO the terrain from the building.
That way the terrain model will not interfere with your building model updates.

In my experience the DTM is always a performance killer. I make them as simple as possible: you can look up techniques for keeping the number of facets as low as possible.

This is probably what’s killing your workflow.

You can also make an approximate site model with slabs, morphs and roofs.
Or
Make a site model from stacked slabs at 1 or 2 ft intervals like you would do a physical cardboard site model.

These two options will not kill your processing power and you can do it in the same model as your building no problem.

[u/blvvdy_mvvpet → u/Afraid_Amphibian_922]

Well I’ll consider this approach on my next project since I’m almost finishing this one now. Hopefully that would solve the issue.

But I noticed clearing off the temp folder and doing the system cleanup from the settings each time I exit Archicad or reopen it, it helps a bit. Like I only get to wait for a few seconds for the 3D to update, instead of a minute or 2.

[u/Turit_Hun]

https://community.graphisoft.com/t5/Project-data-BIM/How-to-Optimize-Your-Project-Performance/ta-p/304104

I think there are too many solid operations in the plan.

[u/blvvdy_mvvpet → u/Turit_Hun]

I mean yes. The terrain has various elevations so I had to make a few solid operations in order to design the project.

[u/itsameaitsamario → u/blvvdy_mvvpet]

Be sure that you aren’t selecting elements that are not involved in the solid elements operation, sometimes we find it easier to select everything against the terrain, but even if it’s not intersecting, it still gets calculated every time.

[u/blvvdy_mvvpet → u/itsameaitsamario]

No. I’m definitely sure that I only select the elements that are meant to be involved. But I noticed that clearing off the temp folder and doing some cleanup, helps a bit but I don’t understand as I used Revit for so many years yet I never encountered such issue.

[u/ChristopheFortineau]

Hello,

If you get the same with section views, that mean there are too many polygonrs into your model.

Try to change your model view definition options and it might be better.

[u/blvvdy_mvvpet → u/ChristopheFortineau]

I noticed it happened once while I’m on a section view.

[u/blvvdy_mvvpet]

Update: Apparently I was using my laptop on the Balanced mode with the CPU Boost disabled. Now I turned it on and changed to the Turbo mode, and I’m seeing big improvement to the performance even though I still have my GPU mode set to Standard rather than Ultimate.

[u/Kid_Tuff]

I have even more problems with big 2D data

[u/Traditional-Two-7358]

My Archicad is blistering fast on a Mac Studio with M2 Ultra chip

[u/blvvdy_mvvpet → u/Traditional-Two-7358]

It runs fast for me as well, it just sometimes get this „updating 3D“