Question / Help games keep lagging out but anything else is fine

[NAOA_LINK]

I have put a video of it online but it is not as bad as original source the video was just cut down from 30 min.
link: https://www.youtube.com/watch?v=W0sivo9e7-4&feature=youtu.be
specs: gtx 750 ti, core i7 4790

log file:https://gist.github.com/ea09071b7a14024fc9a5f468a91a73f0