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The problem is that OpenCL in OSX is ... not very good. I get the same error on a current DiabloMiner and any other GPU miners based on the phatk kernel. From what I see, the OSX OpenCL-compiler seems to optimize the entire kernel away, so it runs in zero time but zero results as well.
You can try the Mac app solution from this thread: http://forum.bitcoin.org/index.php?topic=8994.0
This is based on an earlier DiabloMiner with a non-phatk-Kernel, it works nicely for me, but won't give maximum hash rates compared to Windows or Linux mining.
So, you may either switch your OS for mining, or hope that the OpenCL in Lion will fix the issue...
THANKS for that link!You can try the Mac app solution from this thread: http://forum.bitcoin.org/index.php?topic=8994.0
This is based on an earlier DiabloMiner with a non-phatk-Kernel, it works nicely for me, but won't give maximum hash rates compared to Windows or Linux mining.
So, you may either switch your OS for mining, or hope that the OpenCL in Lion will fix the issue...
Getting 100 mhashs/sec from my card with that, although it lags the computer quite a bit, so I'll need to take a look at limiting it, but other than that, it's GREAT! 10x the speed of my previous card! I'll admit it, I didn't have great expectations for this card, but it's much faster than I thought.
Now to set it up on a schedule, and to increase fan speeds to reduce heat...
I'll most likely not mine much with it, as it's a laptop GPU, in a iMac case, which means that heat and wear and tear could be problems, but this is good enough for me.
So, you may either switch your OS for mining, or hope that the OpenCL in Lion will fix the issue...
This will likely happen. In another thread some user reported a significant increase in performance with Lion.
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