Re: further improved phatk OpenCL kernel (> 4% increase) for Phoenix - 2011-08-11
6950's using the new phoenix + phatk2 (clocked 880 gpu / 300 mem)
old: 360Mh/s
now: 364Mh/s
(consistent across all GPUs)
I messed a lot with flags... this is what gave me the highest numbers:
Not sure why, but worksize=64 is what gave me the biggest gain. Tried all aggression between 10 and 16 as well. 13 yielded the highest.
old: 360Mh/s
now: 364Mh/s
(consistent across all GPUs)
I messed a lot with flags... this is what gave me the highest numbers:
Code:
-k phatk2 VECTORS2 AGGRESSION=13 WORKSIZE=64 FASTLOOP=false
Not sure why, but worksize=64 is what gave me the biggest gain. Tried all aggression between 10 and 16 as well. 13 yielded the highest.
phatk2 has no VECTORS2 in Phoenix
... you were not using my kernel either. Wrong forum?Dia