3ds Max: VRAY Dynamic Memory Limit

You may notice your V-Ray renders, particularly V-Ray in 3ds Max or Maya, are getting stuck at an error that looks like this:

V-Ray warning: Performance loss: dynamic memory limit too low
Warning: Performance loss: dynamic memory limit too low

Changing Memory Limit Within 3ds Max 2016

Try Increasing your Dynamic Memory Limit.  

1. Open your Max scene.  Click on the Render Settings icon.
2. Make sure "Renderer" is set to V-Ray.  
3. Click on the "Settings" tab.  
4. Click on the "System" roll-out.
5. Change "Dyn mem limit, mb" to 10300. 

Click the links below for more information.

V-Ray for 3ds Max - Chaos Group Documentation, System, "Dynamic Memory"

V-Ray for Maya - Chaos Group Documentation "Dynamic Memory Limit"