Just found something on the nvidia web site stating they do not support any of the autodesk vertical products.
http://tinyurl.com/yxmolx
Anything to make this beast (C3D) faster is worth investigating, just wanted to keep everyone informed.
ACADuser
Civil 3D 2018, Raster Design 2018
Windows 7 Enterprise
Dell Precision 5810 Workstation
Intel Xeon E5-1630 v3 @ 3.70GHz
32GB RAM, NVIDIA Quadro K2200 4 GB GDDR5
DUAL 27" Dell UltraSharp U2713HM