I was still having problems with Control (Stuttering and slow on DX12) even though i fixed some by using Compactor
https://forums.hexus.net/pc/414973-g...ace-usage.html
And then i found these posts
https://forums.guru3d.com/threads/po...us-bf5.425353/
https://www.reddit.com/r/PUBATTLEGRO...proved_my_fps/
Which basically say that windows defender has an option called "Control flow guard"
which interferes with DX calls in 11 & 12 it seems.
I turned "Control flow guard off" and immediately the difference was amazing Control now works very fast like i've had a major GPU upgrade!
I turned it off globally but you can do it per .exe file if you want to as it is a security risk turning it off, but i put a separate Anti-virus guard on to protect my PC.
Give it a try i'm well happy with the results myself.: