@jbacus said:
This stuff is difficult to understand. I don't think we're beating a dead horse if there are still misconceptions floating around the community about the real benefits of 64bit computing.
The 64bit version is crucial for all rendering engines that are truly integrated DLLs into SketchUp and talk with it through SketchUp C++ SDK.
We would love to see extremely complex models rendered directly Inside SketchUp, but there is a limit how much one can fit into 32bit memory range, regardless how efficient instancing or other memory optimizations related to displacement,relight,repaint,etc. are in a rendering engine.
SketchUp wouldn't necessarily have to display such a complex content. This is being addressed by proxy systems already present in several rendering applications. Unfortunately those really integrated are choking at some point.
The 64 bit solution would also require a "real" SketchUp SDK, not only a way to export or read SKP files. This is very unfortunate that we developers have to "break" into SketchUp through a use of undocumented Ruby methods and a creation of Ruby extensions.