[Bug 72785] bfgminer --scrypt on 7xxx+

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72785

--- Comment #26 from Tom Stellard <tstellar at gmail.com> ---
(In reply to comment #25)
> So with 3.16, newest mesa git, llvm trunk from a few days ago etc. I'm
> getting about 12.0 khash/sec out of my HD 7970M with all the stuff one
> should set:
> 
> GPU_MAX_ALLOC_PERCENT=100 GPU_USE_SYNC_OBJECTS=1 bfgminer -v1 --scrypt -S
> opencl:auto --url=stratum+tcp://dogepool.pw:3334 --userpass=XXXXXX
> --intensity=8 --shaders=1280
> 
> from the debug output:
> 
>  [2014-07-12 00:47:12] [thread 0: 47872 hashes, 11.7 khash/sec]
>  [2014-07-12 00:47:16] [thread 0: 47872 hashes, 11.7 khash/sec]
>  [2014-07-12 00:47:20] [thread 0: 47872 hashes, 11.7 khash/sec]
>  [2014-07-12 00:47:24] [thread 0: 47872 hashes, 11.7 khash/sec]
>  [2014-07-12 00:47:28] [thread 0: 47872 hashes, 11.7 khash/sec]
>  [2014-07-12 00:47:30] 20s: 11.9 avg: 11.5 u:  0.0 kh/s | A:0 R:0+0(none)
> HW:0/none
> 
> But it's by far not getting as hot as it should (?) with about 96% gpu usage
> according to radeontop (it's 61°C but I think it should be 80-90°C and I
> also have it set to "high" and "performance").
> 
> And if I read that right performance is about 1/30 it could be (350 KH/S)
> 
> So...

Have you verified that scrypt actually works?  Do you ever get any accepted
shares?  If it does work, you can close this bug and open another for the
performance issues.
> 
> Close this bug because it does indeed run or keep it open for performance
> issues?

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