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Thamir Ghaslan
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Message 811 - Posted: 31 Aug 2009, 18:26:48 UTC

I'm new here so please forgive me if these were already answered, despite rigorous searching of the forums.

I'll keep it short and to the point:

Windows 7 32 bit, August 2009 drivers for ATI, boinc 6.10. quad q6600 ..

Milkyway runs great on both GPUs.

Colllatz runs only on one GPU.

Run time hovers in the 1 hour range for collatz when nothing else is competing for cpu or gpu despite seeing other posts claiming it runs under the 15 minute range.

I've tried tweaking both milkyway and collatz to share the GPU nicely but so far I have'nt been able to hit the sweet spot!

both cc_config.xml and app_info.xml for both projects has been tweaked!

Any suggestions, hints, tips or tricks?

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Message 839 - Posted: 1 Sep 2009, 13:35:08 UTC - in response to Message 811.

I'm new here so please forgive me if these were already answered, despite rigorous searching of the forums.

I'll keep it short and to the point:

Windows 7 32 bit, August 2009 drivers for ATI, boinc 6.10. quad q6600 ..

Milkyway runs great on both GPUs.

Colllatz runs only on one GPU.

Run time hovers in the 1 hour range for collatz when nothing else is competing for cpu or gpu despite seeing other posts claiming it runs under the 15 minute range.

I've tried tweaking both milkyway and collatz to share the GPU nicely but so far I have'nt been able to hit the sweet spot!

both cc_config.xml and app_info.xml for both projects has been tweaked!

Any suggestions, hints, tips or tricks?


The MW app was written by the master (Gipsel) while the Collatz app was written by the apprentice (me) with a lot of help from the master. The current Collatz ATI does not work on X2 and/or multiple devices well. The next version is 99.9% by Gipsel and uses the same code as the MW app, so hopefully it will not only run on all devices but will even run along side MW without conflicts.


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Message boards : Number crunching : 4870 x 2 questions


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