I finally figured out how to use this........yes I'm a bit slow and new to using github stuff.... and it's doubled my hashing rate. I tried putting it on my btc mining rig but it makes my gpu's drop DRASTICALLY, any way to fix that?
Set low priority. In linux start the litecoin miner with "nice":
screen nice ./your_lite_coin_script
(Screen is optional; it lets you attach and detach console sessions)
IN windows open task manager and set process priority to lowest.
In windows you can also use "start /low /wait X:\path\to\minerd.exe --(params)" to start miner in low priority.