Looking good so far on Ubuntu Server 16.04. I am seeing the slight performance bump. Keep up the good work. Been running your miner since December and have NEVER had a crash. I only shut down to apply patches once a month and I'm back up and running within 10 minutes after that.
GPU0 64C 37% | 515.6 Sol/s 511.3 Avg 273.9 I/s | 3.94 S/W 128 W | 0.21 100 176
GPU1 61C 34% | 491.3 Sol/s 503.8 Avg 266.4 I/s | 3.90 S/W 134 W | 0.21 100 171
GPU2 61C 34% | 507.7 Sol/s 506.5 Avg 271.0 I/s | 3.92 S/W 130 W | 0.00 . .
GPU3 55C 27% | 499.5 Sol/s 503.7 Avg 270.0 I/s | 3.91 S/W 125 W | 0.64 100 176
GPU4 63C 36% | 509.4 Sol/s 506.4 Avg 270.9 I/s | 3.91 S/W 129 W | 0.21 100 177
GPU5 62C 35% | 510.1 Sol/s 511.6 Avg 272.7 I/s | 3.96 S/W 131 W | 0.43 100 176
GPU6 62C 34% | 503.2 Sol/s 506.3 Avg 270.9 I/s | 3.92 S/W 127 W | 0.43 100 176
GPU7 59C 31% | 514.1 Sol/s 508.1 Avg 272.9 I/s | 3.93 S/W 133 W | 0.64 100 173
============== | 4050.8 Sol/s 4057.8 Avg 2168.8 I/s | 3.93 S/W 1039 W | 2.78 100 175