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I downloaded DiabloMiner and got it to run by:

  1. Using the options: -v2 -w256 -na
  2. Increase the Java heap size by editing the DiabloMinder-OSX.sh file: -Xmx384m

And I am getting around 60-70mhash/sec on my MBP (MacBookPro8,3, early 2011) /w AMD Radeon HD 6750M, supposedly.

I say supposedly because I get no shares on mining.bitcoin.cz, so I setup the testnet in a box and ran my miner against that and appeared to get no where.

So my question(s):

  1. What, if anything, am I doing incorrectly?
  2. Is there a better way/miner to be using on OSX(GPU). Mining information on OSX is very hard to find.
Murch
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Andrew Burns
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3 Answers3

2

The BitMinter miner also works on Mac OS X. Go to http://bitminter.com and click the "engine start" button. There's no installation, it starts from the browser. It requires Java.

As to what is going wrong with DiabloMiner, I don't know. If it is mining without errors then it should be getting you shares at the pool.

Dr.Haribo
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  • Tried your miner and I must say I am very impressed... I like the scheduling feature so I can kick on my CPU when I am away. – Andrew Burns May 17 '12 at 19:39
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I never got DiabloWorking correctly; however I did get phoenix2 working with the following config:

[cl:0:1]        
    name = AMD Radeon HD 6750M
    disabled = False
    autoconfigure = False
    start_undetected = False
    kernel = opencl 
    worksize = 256 #Appears to not make a diff, using bigger size
    vectors = True #vectors4 is ~2 times slower
    bfi_int = True #Appears to not make a diff, turning on
    goffset = False #MUST be false

    # During use    
    # fastloop = True #Use fast internal loop? (ideal for low aggression)
    # aggression = 3 #Number of nonces to test per kernel execution (lower value = less desktop lag, higher value = higher 

    # Dedicated Mining
    fastloop = False
    aggression = 12
Andrew Burns
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I cannot get the latest (May) version of DiabloMiner to work on OS X Lion. However, I can get the March release to work using the following options:

-w 64 -v 2 -na

If you cannot find the older version, let me know and I'll share it on dropbox.

There are a few miners I'd like to test, including BitMinter and phoenix2, for comparison purposes, but haven't taken the time to, yet.

earthsound
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  • BitMinter works out of the box for me. – Andrew Burns May 20 '12 at 02:49
  • I forgot to mention that the **author** gives the above options for DiabloMiner to work on OS X. I used to get ~70mhash/s until recently but now I get ~60mhash/s on a 2011 iMac with a Radeon HD 6750M. I assume the lower rate is due to OpenCL change(s) in the last Lion update. – earthsound May 20 '12 at 16:09
  • The most recent version of DiabloMiner has fixed the issues I had with the version that came out a couple of weeks ago. – earthsound May 24 '12 at 14:28