iMac 21.5 with ATI Radeon HD 4670 GPU

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Profile Kenn Benoît-Hutchins
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Message 950677 - Posted: 29 Nov 2009, 1:28:33 UTC

I am getting a message that no usable GPU found.

Is there going to be an upgrade so that Mac ATI GPUs can crunch?

Thanks
Kenn

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Message 950684 - Posted: 29 Nov 2009, 1:55:00 UTC - in response to Message 950677.  

Eventually, they are still working on getting ATI support for the time being.

Now if you were to boot into Windows, install the drivers, it would find the card just fine.

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Message 950918 - Posted: 30 Nov 2009, 0:06:47 UTC - in response to Message 950684.  

Eventually, they are still working on getting ATI support for the time being.

Now if you were to boot into Windows, install the drivers, it would find the card just fine.


And similarly so for Linux.

Except... I thought s@h didn't have any ATI GPU support so far...

;-)

Happy crunchin',
Martin


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Message 950944 - Posted: 30 Nov 2009, 1:35:40 UTC - in response to Message 950918.  
Last modified: 30 Nov 2009, 1:35:55 UTC

Eventually, they are still working on getting ATI support for the time being.

Now if you were to boot into Windows, install the drivers, it would find the card just fine.


And similarly so for Linux.

Except... I thought s@h didn't have any (official) ATI GPU support so far...

;-)

Happy crunchin',
Martin



Added one word to that statement.

We can crunch Astropulse with the hybrid app in Windows.

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Message 951061 - Posted: 30 Nov 2009, 13:05:44 UTC - in response to Message 950944.  

... We can crunch Astropulse with the hybrid app in Windows.

Now that's interesting. I'll have to have a look on Lunatics again.

e@h have a cuda app for their Arecibo data pulsar (pulses) search (PALFA). They gain a speedup over that of using the CPU only, but not much. The GPU is left idle for the majority of the time.

Any CUDA hacking for the s@h astropulse or would it too suffer low GPU utilisation?


Happy fast crunchin',
Martin

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Message 951111 - Posted: 30 Nov 2009, 15:25:25 UTC - in response to Message 951061.  

Collatz and Milkyway are the only 2 projects that use straight up ATi gpu's
and if you choose one of them just know that the MW WU's tend to run your GPU harder than the Collatz. My 4770 runs at around 50C on collatz and 56-57C for MW. the MW WU's are very short for a newer ati(1 minute for 50+ credits) and collatz runs in less than 20 minutes for 700 credits. IF you are using a CPU on these WU's they will take hours to run


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Message 951191 - Posted: 30 Nov 2009, 21:45:37 UTC - in response to Message 951111.  
Last modified: 30 Nov 2009, 21:46:42 UTC

Collatz and Milkyway are the only 2 projects that use straight up ATi gpu's
and if you choose one of them just know that the MW WU's tend to run your GPU harder than the Collatz. My 4770 runs at around 50C on collatz and 56-57C for MW. the MW WU's are very short for a newer ati(1 minute for 50+ credits) and collatz runs in less than 20 minutes for 700 credits. IF you are using a CPU on these WU's they will take hours to run


MW WUs are now ~4X longer, as of today. They are taking between 4 and 5 minutes on my 4850 and pay 213 credits.

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Message 951233 - Posted: 1 Dec 2009, 2:14:30 UTC - in response to Message 951191.  

Collatz and Milkyway are the only 2 projects that use straight up ATi gpu's
and if you choose one of them just know that the MW WU's tend to run your GPU harder than the Collatz. My 4770 runs at around 50C on collatz and 56-57C for MW. the MW WU's are very short for a newer ati(1 minute for 50+ credits) and collatz runs in less than 20 minutes for 700 credits. IF you are using a CPU on these WU's they will take hours to run


MW WUs are now ~4X longer, as of today. They are taking between 4 and 5 minutes on my 4850 and pay 213 credits.


They are taking 305 seconds on my 4830. Running 2 at a time.

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Message boards : Number crunching : iMac 21.5 with ATI Radeon HD 4670 GPU


 
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