Hi I have 2 gtx1080ti  
Mining Zcoin (the best coin I found for 1080ti)(around 2050mhz each at 1025mv at 38degree)
on MPH (the best I found for this coin)
I get 6400KH/S on ccminer
But when locking at the Afterburner graph I see random drop in GPU usage.

I read the other post for the best ccminer (djm)  I tried every one I could find and it seem the best but...
Do you all have this,



I use the ccminer_cuda9 from DJM (30 247kb)