Forums >> Revit Building >> Technical Support >> Ram Questions

CDWdavid

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Joined: Mon, Aug 4, 2008
153 Posts

Please help me on this Ram issue. I have Revit 2015 in my computer with 16 GB Rams, one pair of 8 GBs, and quad core processor..

If I open one Revit program only, the Performance Chart will be always like the attached “Revit-performance-2016-0205-0734”, which is hovering around 6.40 GB.

If I open two Revit programs, the Performance Chart will be like the attached “Revit-performance-2014-0829-0711”, which will be around 14.60 GB. However, if I open two Revits, I cannot copy & paste between them, neither use "Load into Project" function.

If the Revit 2015 only can utilize one chip a time, that means even we increase our rams to 32 GB, two pairs of 8GBs; it would not help.

Our computers are on older technologies, which cannot handle 16GB ram chips.

Dose the Revit 2016 can utilize all installed rams? Or other trickes can help?

Best regards,

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WWHub

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Joined: Tue, May 16, 2006
13079 Posts

You can never copy paste between two rvit sessions.  You can only copy/paste between multiple files within the same Revit session.

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CDWdavid

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Joined: Mon, Aug 4, 2008
153 Posts

Hi WWHub,

Thanks!

Does that mean the additional RAMs on our old computer won't improve the performance for Revit?

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WWHub

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Joined: Tue, May 16, 2006
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Performance is relative to your needs and what you are doing.  We have 16 GB of Ram and I don't have any real problems but I'm not doing any heavy rendering.   We do all of that in the cloud.

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CDWdavid

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Joined: Mon, Aug 4, 2008
153 Posts

Hi WWHub,

Thanks!

We cannot work in the cloud. Some of our projects have 400MB to 500MB per building and 25 buildings in one site.

We have just been approved to purchase extra RAMs to 32 GB per station. Since our computers only can install 8GB RAM chip in each slot. I hope that somebody can give us more information for running Revit with 4x8GB RAMs. I will post the performace charts after the new RAMs installed.

Happy Chinese New Year!

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WWHub

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Joined: Tue, May 16, 2006
13079 Posts

You don't say what you are doing in Revit.  You say you have 25 buildings.  For multiple building construction documents, you shoujld be using linked models.  If you are trying to render 25 buildings on one site, you still should be using linked models but with each using the tools I outline below.

Project size does not have to be a problem if you are using all of tghe built-in Revit tools.  This is what I posted on another thread.

"

Do you understand the power of worksets?  Back when we used to have to run the 8 gigabit switch in order to work with larger projects, we also learned how to use worksets to allow us to do large projects on small systems. 

The secret is using reduced workset loads.  You can place areas of your buildings, linked models, linked CAD, etc  on different worksets.   When you load a file, you can specify what worksets to load then while working, you can load and unload other worksets. 

We always have the full exterior of the building in a shell workset and that is typically on in every view.  But in exterior views, that may be the only workset on.   We keep our site in a linked model loaded into a workset that is normally off in all views and only loaded when we need to see or print it.

You don't want to break your model up into a ton of worksets but on a multi-story, mixed use structure, you might place interior elements on seperate worksets in a logical seperatrion.   Like Commercial - Offices - Residential or Floors 1-20, 21-40 etc."

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CDWdavid

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Joined: Mon, Aug 4, 2008
153 Posts

Hi WWHub,

Thanks for your worksets guides.

We will utilize them for all future large projects.

Also, we are trying to cut down the sizes from our standard families.

Thanks again!

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