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Author Topic: Need info about Catalyst 12.2 and effect on mining performance  (Read 1444 times)
film2240
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March 22, 2012, 09:32:00 PM
 #1

Hi guys,
I wanted to switch on the AMD video converter feature by installing the media pack,but when I tried to install it asked me to update my drivers (as I'm ok with 11.7 atm in terms of mining performance and also it won't let me just install the feature while leaving my drivers alone).

Question is does catalyst 12.2 improve or degrade mining performance?

Your feedback will be very helpful to me.

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March 22, 2012, 11:35:40 PM
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I'm sure someone will say that it's terrible but I didn't notice too much difference myself although I'm not trying to get 100% performance either.

I hit about 750-800 mhash/s on my 5970 with 12.2.

Once I got my 3rd 5970 back, 12.2 no longer worked and I had to use 11.2.  Performance seems similar although I underclock and undervolt a bit now due to 3 cards on top of each other creating more heat.

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March 23, 2012, 07:25:56 AM
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People seem to be having problems with GPU's "disappearing" when upgrading to 12.2. 11.12/12.1 seem to be the current sweetspot. Personally I use 11.12. The drivers themselves don't affect hash rates though. SDK's do. Make sure to use the appropriate SDK for your cards. If your card can run on 2.1 SDK, do it (all 5xxx can run on it, and low to mid/high 6xxx can too). 2.4/2.5 is maybe <1% slower but is compatible with VLIW4 architecture (6970), and 2.6 should be avoided unless you are using a GCN architecture video card (7970).

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March 26, 2012, 10:04:07 PM
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No problem, just copy file named as "atipdlxx.dll" from 12.1 Catalyst to folder:
\Windows\System32\
(for x86)
or
\Windows\SysWOW64\
(for x64)
Enjoy!
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