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10.8.3 - Luxmark OpenCL Scores Significantly Lowered

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10.8.3 - OpenCL Scores Significantly Lowered

Wanted to start this as a separate thread from the 10.8.3 update.


After updating from 10.8.2 to 10.8.3 i saw a significant decrease in Luxmarks OpenCL benchmark for my gtx 660 TI. A decrease from 1056 to 656. A few other people in the update thread were also having this issue on 6xx cards.


If anyone else is having this issue post here so we can use this as a starting point track down the issue (new inefficient kexts I imagine)



Edit: Wanted to update with some other benchmarks.

Unigine- Heaven: 1693 to 1783
NovaBench (gpu only): 419 to 412
Cinebench: 49.87 to 47.68
 
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have the same problems with ma GTX 660 (non TI) . i have seen in iStats that since the new drivers from 10.8.3 that ma card doesnt switch the Power levels like it was in the 10.8.2 version and i think thats the reason why we loose performance
 
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If the numbers in iStat are accurate it looks like both my Core and Memory step up to the proper levels (1.19 GHz and 5.86GHz). I am not sure what the ROP and Shade frequency should be at, but they both step up to 2.38GHZ; so I don't think thats the same issue my card is having (can't find specific values for them online). I will try booting up to my 10.8.2 backup and see what levels they are at when I get home.
 
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Can anyone with 6xx and 5xx cards check their OpenCL benchmarks? I would like to see if we can get this issue narrowed down to specific cards. So far I have seen people post about the issue with 650, 660TI and 670 graphics cards, but I would imagine this is effecting all 6xx owners.
 
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If the numbers in iStat are accurate it looks like both my Core and Memory step up to the proper levels (1.19 GHz and 5.86GHz). I am not sure what the ROP and Shade frequency should be at, but they both step up to 2.38GHZ; so I don't think thats the same issue my card is having (can't find specific values for them online). I will try booting up to my 10.8.2 backup and see what levels they are at when I get home.

I have the same problem, but Hardware Monitor reports that my Memory speed is only going to 2.93Ghz, instead of 5.86Ghz. GPU (1.06Ghz) and ROP (2.12Ghz) speeds look normal, I think.

Edit: The other thing that I noticed is, AppleGraphicsPowerManagement.kext is not loading! :( Anyone else getting it to load??

Update: AppleGraphicsPowerManagement.kext is loading now, using SMBIOS MacBookPro10,1
 

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I have a Gigabyte GTX 660 Ti, and I have the same problem with OpenCL in 10.8.3 as everyone else. Huge performance hit compared to 10.8.2. I had to revert back to my 10.8.2 backup. Tried re-installing the Nvidia graphic card driver from their website, but it won't allow me to install it because I'm running 10.8.3 (requires 10.8.2). Anyone know what's going on?
 
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Same problem here with Asus GTX 670.
 
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I have a Gigabyte GTX 660 Ti, and I have the same problem with OpenCL in 10.8.3 as everyone else. Huge performance hit compared to 10.8.2. I had to revert back to my 10.8.2 backup. Tried re-installing the Nvidia graphic card driver from their website, but it won't allow me to install it because I'm running 10.8.3 (requires 10.8.2). Anyone know what's going on?

This broke my Hac, but it may work for you.You can extract another package inside the orginal. When you run that, it will install the drivers. Unfortunately, the 10.8.2 drivers did not allow me to boot, so I would not recommend it.
 
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I have the same problem, but Hardware Monitor reports that my Memory speed is only going to 2.93Ghz, instead of 5.86Ghz. GPU (1.06Ghz) and ROP (2.12Ghz) speeds look normal, I think.

Edit: The other thing that I noticed is, AppleGraphicsPowerManagement.kext is not loading! :( Anyone else getting it to load??

I think that explains why it broke sleep (or atleast for me).
 
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