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Bitcoin Forum > Other > Archival > CPU/GPU Bitcoin mining hardware > What driver/SDK combo does NOT have the 100% CPU usage?
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Mousepotato (OP)
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October 28, 2011, 04:34:27 PM
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Ok so I'm stuck with this stupid 100% usage problem with 4 GPU cores.  I've regressed my drivers back to 11.5 and SDK 2.1 to no avail (did a total Uninstall between version changes).  I thought that combo shouldn't exhibit the 100% issue???  Any ideas?
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October 28, 2011, 04:36:31 PM
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Quote from: Mousepotato on October 28, 2011, 04:34:27 PM
Ok so I'm stuck with this stupid 100% usage problem with 4 GPU cores.  I've regressed my drivers back to 11.5 and SDK 2.1 to no avail (did a total Uninstall between version changes).  I thought that combo shouldn't exhibit the 100% issue???  Any ideas?

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October 28, 2011, 06:39:30 PM
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For 2+ GPU the only combo I have found is Linux + 11.5 + 2.1. 

I have found no windows driver combo without 100% GPU bug ON 2+ GPU.

Some people may claim otherwise but before you waste your time make sure they are running 2+ GPU.
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October 28, 2011, 08:57:21 PM
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For me it's lower on 11.9 on Win 7 x64.  I get like 50% usage.  You can also set the affinity to a single core or thread (if using hyperthreading), which will help a little.

Otherwise, Linux is the way to go.  I use Catalyst 11.6 and APP SDK 2.4 on Linux across all of my rigs.  No CPU issue and 11.6 lets you over/underclock beyond GPU BIOS limits
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October 29, 2011, 04:47:36 AM
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Using WinXP 64, 11.6 / 2.5



As you can see there's a game running in the background using the IGP of the Gigabyte 890GPA-UD3H.
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October 29, 2011, 06:12:15 PM
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n4l3hp looks like you have cpu bug too. your processors clearly have a load on them while mining.
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October 29, 2011, 06:25:20 PM
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11.4/2.4

But I gotta use 2 (real) mointors and disable one monitor while I'm firing up the other miner.
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October 29, 2011, 08:53:19 PM
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Quote from: ssateneth on October 29, 2011, 06:12:15 PM
n4l3hp looks like you have cpu bug too. your processors clearly have a load on them while mining.

As I've said, a game was also running when I took that screenshot. Look at the taskbar (1st picture), Granado Espada (2nd picture) is running while mining. If I don't open any other apps or games, load is only 3-6%.

You can view my older screenshot while using poclbm at https://bitcointalk.org/index.php?topic=4446.msg405917#msg405917.
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