Getting 3.2Mhs with 7970s need to upgrade to sort out the diff readings.
Bat:
-I 17 --worksize 128 -g 2 --thread-concurrency 8190 --gpu-engine 1113 --gpu-memclock 1500 --gpu-powertune 20
Miner:
sgminer 4.1.0 - Started: [2014-05-26 20:42:36]
--------------------------------------------------------------------------------
(5s):16.26M (avg):16.25Mh/s | A:2 R:0 HW:0 WU:0.231/m
ST: 1 SS: 0 NB: 9 LW: 1351 GF: 0 RF: 0
Connected to Pool 0 (stratum) diff 0.000 as user
Block: 2d3f442e... Diff:5.93K Started: [20:51:26] Best share: 82 0
--------------------------------------------------------------------------------
[P]ool management [G]PU management [S]ettings [D]isplay options [Q]uit
GPU 0: 55.0C 2610RPM | 3.250M/3.259Mh/s | R: 0.0% HW:0 WU:0.043/m I:17
GPU 1: 57.0C 2664RPM | 3.264M/3.280Mh/s | R: 0.0% HW:0 WU:0.056/m I:17
GPU 2: 57.0C 2676RPM | 3.245M/3.253Mh/s | R: 2.4% HW:0 WU:0.039/m I:17
GPU 3: 58.0C 2665RPM | 3.255M/3.261Mh/s | R: 0.0% HW:0 WU:0.046/m I:17
GPU 4: 56.0C 2447RPM | 3.257M/3.254Mh/s | R: 0.0% HW:0 WU:0.049/m I:17
--------------------------------------------------------------------------------
[20:50:27] Stratum from Pool 0 detected new block
[20:50:33] Accepted 15a42d3a Diff 0.000/0.000 GPU 0
[20:50:33] Accepted 058da1fe Diff 0.000/0.000 GPU 3
Hope this helps somebody
