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Author Topic: Macbook Pro with ATI 6750M - What kind of speeds should I be getting?  (Read 7862 times)
t0ny
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March 26, 2011, 09:57:27 AM
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With my i7 2.2GHz Macbook Pro with a ATI 6750m card I'm getting ~33,700 khash/s with DiabloMiner.

I've only tested it with DiabloMiner on OSX because I can't get pyopencl to compile and opencl under Windows 7 does not seem to be working.

So is this normal for my card? Or should I be tried harder to get pyopencl to work?

Also 1 mhash/s = 1,000 khash/s?
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nster
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March 26, 2011, 10:23:23 AM
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yea 1Mh = 1000 Kh...

those numbers are too bad, though they seem to be improvable.

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niooron
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March 26, 2011, 04:14:04 PM
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Those numbers are terrible for a 480 shader card. Have you tried using the beta 2.4 opencl sdk on windows 7?
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March 26, 2011, 09:28:45 PM
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I got pyopencl to work and with poclbm's miner I'm getting around 43 mhash/s. 10 mhash/s improvement Smiley.
ArtForz
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March 26, 2011, 09:36:15 PM
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Still pretty bad.
That GPU should be capable of ~ 68Mhash/s.

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May 16, 2011, 08:56:46 AM
 #6

I too am not doing too hot here on a MacbookPro 15" Mid 2011 with HD ATI 6750M.

Getting only 35-38 Mhash/sec or so Undecided

I'm running the Bitcoin app with gui, and have DiabloMiner running in terminal (I assume bitcoin.app runs bitcoind under the hood of the gui).

Will attempt: installing the pyopencl items and will attempt to use the other miner and report back.  I'm forcing the discrete chip to be used with gfxCardStatus menu item.  I have some work open in various apps currently- will attempt to restart and retry tomorrow as well.

Any tips greatly appreciated.
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