I have two R9 290X and they do around 680 KH/sec. Shouldn't they get more?
GPU 0: | 666.7K/677.7Kh/s | A:8913664 R:9472 HW:0 WU: 618.7/m I:14
GPU 1: | 705.2K/695.9Kh/s | A:9243392 R:7168 HW:0 WU: 641.4/m I:14
Almost any configuration I try gets HW errors. Right now I have intensity 14, worksize 512, thread-concurrency 16384, gpu-engine 1025, gpu-memclock 1350, gpu-powertune 20, gpu-threads 2.