Lot of people have been experiencing this also. Every NVIDIA 388.xx driver causes lots of stuttering, unstability and performance drop in lot of games. Previous versions run smooth as butter.

If 388.43 is needed for running dash 2.0, someone should investigate this. It's like my gtx1070 went old since the driver update.

Specially noticeable in EVE Valkyrie, from smooooooooth to choppy.