Can't test right now as my rigs are windows but what kind of performance increase do you get compared to enemy version (which has no fee)
2% is too big
You should reduce to a more acceptable 0.5% or less.
DSTM or Bminer get a lot of anger because of the 2% fee
If you don't like the fee you should not use the miner or compile by yourself!
With the source code which is..... Oh wait, there is no source code