Title: 5970 / 5870 higher stales with phoenix/phatk Post by: Yuvea on June 14, 2011, 08:22:23 PM I've been mining on a 5970/5870 trifire setup, overclocked 950/1200 and 900/1200, respectively. I have been using poclbm through GUIMiner and with the recent release of the phoenix/phatk kernel for that frontend, I wanted to give it a try. Here is a screenshot that I'd like explained:
http://img823.imageshack.us/img823/7885/stales.th.png (http://imageshack.us/photo/my-images/823/stales.png/) You can see that there's a large difference between the stales produced by each kernels. Here are my custom arguments: -v -w 128 -f 1 (poclbm) -k phatk AGGRESSION=19 WORKSIZE=128 BFI_INT VECTORS FASTLOOP=false (phoenix) Poclbm produces something like 397/395/379 mh/s while phoenix is closer to 404/405/387 mh/s. So, basically, my question is why does poclbm produces about 0.85% stales (on deepbit) over 200k stales while phoenix is closer to 2-4%? While we figure this one out, I'll keep using poclbm. 3% higher rate is not worth 3% higher stales. Title: Re: 5970 / 5870 higher stales with phoenix/phatk Post by: namley on June 15, 2011, 09:34:59 PM I encountered the same thing with 5830's
My hash rate increased by about 10Mhash/s, but I increased about 1-1.5% in stale shares. That didn't happen until I overclocked the card. Stock clocks using phatk with phoenix yeilds the same amount of stales from the norm. Title: Re: 5970 / 5870 higher stales with phoenix/phatk Post by: namley on June 15, 2011, 09:37:14 PM I encountered the same thing with 5830's
My hash rate increased by about 10Mhash/s, but I increased about 1-1.5% in stale shares. That didn't happen until I overclocked the card. Stock clocks using phatk with phoenix yields the same amount of stales from the norm. |