For those w/ 1080/1080ti's

https://bitcointalk.org/index.php?topic=3370685.0

http://cryptomining-blog.com/9757-get-up-to-about-50-mhs-on-eth-with-gtx-1080-ti-and-ohgodanethlargementpill/

It's a tool that injects modified gddr5x memory timings during runtime. Kicks the ethash up another notch