Tx Philw
I am not familiar with blender, cycles or the render speed.
From what I saw is that is takes quit a bit more hassle to go from Vectorworks to Blender compared to C4D. That's why I have not bothered with Blender so far.
I got a lengthy support session by Chaos to solve the problem of the cosmos browser not functioning on the Ultra .They got it solved for now by installing the previous version of the cosmos browser.
This is one of the first renders I made with the Ultra 128Gb. I had a terrain modeled that was quit a bit larger taking 125Gb ram at rendering. I reduced the size of the terrain and underneath the house and from then on around 65Gb was in use at rendering. I don't know how long it took to the final render at around 500 samples but it looked not all that different at about 3 min at 12 samples.
I think I spend far more time getting the materials, the model and assets right compared to the rendering proces. Modelling and materialising the scene is completely fluent on the Ultra. (The car is a electric Bollinger that never came in full production).
you can have the latest Cosmos Browser Version!
Install the latest Version
> go to ~/Users/ChaosCosmos
Backup the 3 Folders somewhere
> delete the Folders
>logout / in
>go to ~/Users/ChaosCosmos/Packages and change the 3 Folders(your models) with the previous ones
>> restart