phoenix.exe -u <...> -k phatk DEVICE=0 VECTORS BFI_INT FASTLOOP AGGRESSION=11 WORKSIZE=256
phoenix.exe -u <...> -k phatk DEVICE=1 VECTORS BFI_INT FASTLOOP AGGRESSION=11 WORKSIZE=256

Windows 7 Enterprise 64bit
Catalyst 11.5
phoenix-1.50 (mit speedfix in kernel.cl)