I optimized the opencl miner a little bit.  (2% - 5% expected) This is tested on an r9 280x

If anyone interested, just replace the pascalsha.cl file in the miner directory

https://ufile.io/0f267

btc: 19RgeAw8PAU7WoP6zrWGiYuD78KmUhDmRx
eth: 0x585ae8cf889282751b3c38c38a9c833d96d0dc59

happy mining