Anyone mining with a R9 270 or R9 270X? What are your configs and MH/s?
getting 1.3 on an msi 270x with:
--thread-concurrency 16768 -I 18 --temp-cutoff 83 -g 2 --gpu-engine 1175 --gpu-memclock 1500
runs about 14c cooler than 450khash scrypt mining to boot.