I have been experimenting with patterns and very large numbers of iterations and noticed very low CPU usage.
Is this linked to memory allocation? Reference Screen Shot:
Save, Close, (pause for 10 seconds), open SOLIDWORKS. SWx is a memory hog, the more you have it the more it will want to consume...
Here's a good read on the subject:
How to improve linear pattern rebuild performance by ~10X
Retrieving data ...