I switched from the claymore miner to the genoil miner (from claymore 7.2 to genoil 1.1.7), and I lost about 10MH/s in the process. I have a rig of 5 R9 290s (reference), and on claymore (single mining), I got 158MH/s. Now on genoil, Im getting 148 MH/s. ???????? Same clocks and voltages.