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    Author Topic: Generating Bitcoins with your video card (OpenCL/CUDA)  (Read 135574 times)

    • WARlrus
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    July 13, 2010, 08:08:57 PM
     #21
    Windows 7 64-bit
    Dual NVIDIA GeForce 9800 GT

    Can't wait to see this in action!
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  • StinkiePhish
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    July 13, 2010, 08:18:21 PM
     #22
    I didn't realize that the Mac dmg was already posted to a different thread.

    http://heliacal.net/~solar/bitcoin/Bitcoin-MacOSX-Intel-svn-75-opencl-2010-05-10.dmg

    Looks like it is a little outdated.

    Any chance of the opencl code being patched to the current SVN version?

  • sgtstein
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    July 13, 2010, 08:32:22 PM
     #23
    Quote from: StinkiePhish on July 13, 2010, 08:18:21 PM
    I didn't realize that the Mac dmg was already posted to a different thread.

    http://heliacal.net/~solar/bitcoin/Bitcoin-MacOSX-Intel-svn-75-opencl-2010-05-10.dmg

    Looks like it is a little outdated.

    Any chance of the opencl code being patched to the current SVN version?

    I can't patch it to the current as I have no way of testing it. Though, if I can determine how to disassemble his I might be able to get a leg up on working off the SVN and making a new one.

  • Ground Loop
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    July 13, 2010, 09:38:04 PM
     #24
    Quote from: StinkiePhish on July 13, 2010, 08:18:21 PM
    I didn't realize that the Mac dmg was already posted to a different thread.

    Thanks for the link StinkiePhish!  I installed it on my Macbook Pro (GeForce GT 330M), and it runs/connects.
    It says "Generating", but I suspect it's not.  The graphics card is still on the Intel integrated chip.

    I forced it over to the NVidia, but it still just says "Generating", with no khash/s readout.
    Activity Monitor shows Bitcoin using 400% of the CPU, so I suspect nothing is going on the GPU.

    Anyone else?
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  • Limb
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    July 14, 2010, 05:03:06 AM
     #25
    Quote from: Ground Loop on July 13, 2010, 09:38:04 PM
    Quote from: StinkiePhish on July 13, 2010, 08:18:21 PM
    I didn't realize that the Mac dmg was already posted to a different thread.

    Thanks for the link StinkiePhish!  I installed it on my Macbook Pro (GeForce GT 330M), and it runs/connects.
    It says "Generating", but I suspect it's not.  The graphics card is still on the Intel integrated chip.

    I forced it over to the NVidia, but it still just says "Generating", with no khash/s readout.
    Activity Monitor shows Bitcoin using 400% of the CPU, so I suspect nothing is going on the GPU.

    Anyone else?

    Run
    Code:
    tail -f ~/Library/Application\ Support/Bitcoin/debug.log

    You'll see if its using your card as an extra thread, will also show it initializing the OpenCL program.

  • adavid
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    July 14, 2010, 12:05:21 PM
     #26
    Mac OS X 10.6.4
    NVIDIA GeForce GT 330M

    I tried the version posted and I was wondering if there would be the possibility to do generation only with the GPU (0 CPU threads and 1 GPU thread).

    If the code would be checked-in somewhere, I'd be happy to check out and make other tweaks.

  • Kalidratorma
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    July 14, 2010, 02:21:49 PM
     #27
    Windows XP SP3 32-bit
    GeForce 9600 GT 512Mb

    Happy to try experimental code.

  • Ground Loop
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    July 14, 2010, 11:06:01 PM
     #28
    Quote from: Limb on July 14, 2010, 05:03:06 AM
    Run
    Code:
    tail -f ~/Library/Application\ Support/Bitcoin/debug.log

    You'll see if its using your card as an extra thread, will also show it initializing the OpenCL program.


    Excellent info, Limb!  It seems the OpenCL doesn't automatically 'kick in' the NVidia graphics core. It stays on Intel.  I'm not sure how the OS auto-switches, but whatever it's looking for, bitcoin doesn't trip it.

    When Intel is selected, the relevant portion seems to be:
    Code:
    GetAvailableDevices():  Found 1 OpenCL platform(s)
    ThreadOpenConnections started
    ThreadMessageHandler started
    GetAvailableDevices():  Checking OpenCL platform 'Apple' (index 0)
    proxy connecting
    proxy connected
    GetAvailableDevices():  Found 0 devices on platform 'Apple' (index 0)
    4 processors

    When I force the NVidia, we have ignition!
    Code:
    GetAvailableDevices():  Found 1 devices on platform 'Apple' (index 0)
    Printing info for device index 0  Vendor: NVIDIA  Device: GeForce GT 330M
    ...
    Device 'GeForce GT 330M (NVIDIA)' : CL_KERNEL_WORK_GROUP_SIZE : 192
    Device successfully initialized!  (GeForce GT 330M (NVIDIA))

    It runs one bitminer thread on OpenCL, and three on the CPU.
    Code:
    **Perf - thread 1 : 1128k iter/sec
    **Perf - thread 2 : 296k iter/sec
    **Perf - thread 3 : 293k iter/sec
    **Perf - thread 4 : 296k iter/sec
    **Perf - total : 2013k iter/sec (4 threads)

    I've never seen the MBP fan this excited. Smiley
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  • laszlo (OP)
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    July 15, 2010, 02:01:19 AM
     #29
    Yea, I tried that too, after seeing it at 90C temps for a while I decided to not generate with my MBP Smiley

    It's great that it's working for you - I'm not sure if it's possible to ask the OS to switch to the high performance video automatically, as far as I know you have to go to the power settings and tweak it manually, like you did.
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  • mcdett
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    July 15, 2010, 04:24:36 PM
     #30
    The cooling fans are working hard on my 13 MBP

    OSX 10.6.4 - NVIDIA GeForce 9400M

    **Perf - thread 1 : 519k iter/sec
    **Perf - thread 2 : 317k iter/sec
    **Perf - thread 3 : 315k iter/sec
    **Perf - total : 1151k iter/sec (3 threads)

    Running the original bitcoin I was getting around 6-800k iter/sec

  • Ground Loop
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    July 18, 2010, 05:58:10 PM
     #31
    OpenCL bitcoin crashes with a Bus Error on a 27" iMac (ATI Radeon).

    Anyone get it to work on a current-gen iMac?
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  • Leonassan
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    July 19, 2010, 07:46:56 PM
     #32
    I'm interested
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  • em3rgentOrdr
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    July 20, 2010, 11:33:22 AM
     #33
    I would very much like OpenCL/Cuda code to generate bitcoins with my GPU:

    GF9800gx2 (http://www.nvidia.com/object/product_geforce_9800_gx2_us.html)
    Ubuntu 10.04
    "We will not find a solution to political problems in cryptography, but we can win a major battle in the arms race and gain a new territory of freedom for several years.

    Governments are good at cutting off the heads of a centrally controlled networks, but pure P2P networks are holding their own."

  • Olipro
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    July 20, 2010, 10:02:07 PM
    Last edit: July 20, 2010, 11:25:43 PM by Olipro
     #34
    szia lászló

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    erdekelne a programod, de sokkal jobban erdekelne a forraskod.
    I'm interested, I'd be twice as interested in the source code though.

  • TryBitCoin
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    July 21, 2010, 10:25:29 AM
    Last edit: September 07, 2011, 10:08:08 AM by TryBitCoin
     #35
    del

  • aaaxxx
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    July 21, 2010, 10:55:54 PM
     #36
    Windows 7 Ultimate 64Bit

    CPU: AMD Athlon 64 X2 5200+ 2.71GHz
    DDR2 3GB 245MHz
    GPU: Palit 8600GT DDR2 1GB

  • dougztr
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    July 23, 2010, 08:40:53 AM
     #37
    I have Windows Vista 64 and an ATI Radeon HD 4830

    Also, I have a working 0.3.2 Gentoo Linux version which I compiled from source. I have ATI Stream SDK installed so I have a fully working OpenCL developer kit, the only thing I'm lacking is some sources to add in OpenCL support.

    I'd be happy to work on the Linux version.

  • em3rgentOrdr
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    July 28, 2010, 10:37:53 AM
     #38
    Anyone know when this OpenCL/CUDA code will be released?  Are there any development versions of this OpenCL/CUDA source code out yet?
    "We will not find a solution to political problems in cryptography, but we can win a major battle in the arms race and gain a new territory of freedom for several years.

    Governments are good at cutting off the heads of a centrally controlled networks, but pure P2P networks are holding their own."

  • knightmb
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    July 28, 2010, 03:22:47 PM
     #39
    As far as I can tell, nothing else has been done. Seems to only work on a few select Mac at the moment and even then appears to be a little unstable.
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  • ledskof
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    July 28, 2010, 07:01:26 PM
     #40
    Intel Core i7 965
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    Windows 7 64bit
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