Only 1 GPU being used since early Aug

Questions and Answers : Windows : Only 1 GPU being used since early Aug
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vaztr

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Message 1929 - Posted: 2 Sep 2019, 4:10:34 UTC

I have a 1070ti and a 550ti in the same machine. After approx Aug 11 the 550ti is no longer running jobs. Any ideas???

Thanx
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Message 1930 - Posted: 2 Sep 2019, 11:14:57 UTC - in response to Message 1929.  

I have a 1070ti and a 550ti in the same machine. After approx Aug 11 the 550ti is no longer running jobs. Any ideas???

Thanx


Since you are using Win10 it's probably a driver problem and Windows replaced the one that can crunch with one that can't, it's very common for that to happen after Win10 updates.

Also I noticed your 1070 on another machine isn't using the optimized codes, your 1070 is doing workunts in:
1,470.26 0.30 37,959.45 Collatz Sieve v1.30 (opencl_nvidia_gpu) windows_x86_64

I have a 1060 that is using the optimization codes and is doing them in:
698.90 0.88 28,776.25 Collatz Sieve v1.30 (opencl_nvidia_gpu) windows_x86_64

It's less credits per workunit but I am doing 2 workunits to your 1 so am getting lots more credits.

You will have to look in the Number Crunching, Optimizing the Apps thread for how to do it, it's really easy, and the very next workunit after you put the codes in will start using them.
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Message 1931 - Posted: 4 Sep 2019, 7:01:01 UTC - in response to Message 1930.  

You were right Mikey! even though I thought I'd stopped GPU updates thru the registry!!!

Now to do the optimizing ;)
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Message 1932 - Posted: 4 Sep 2019, 10:53:21 UTC - in response to Message 1931.  

You were right Mikey! even though I thought I'd stopped GPU updates thru the registry!!!

Now to do the optimizing ;)


Congratulations!!
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Michael Hamm

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Message 1944 - Posted: 22 Sep 2019, 1:54:14 UTC - in response to Message 1929.  

On my mac pro os 10.11.6 with 2 nvidia 980's.
only one crunches.
How to put the second to work?
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Message 1945 - Posted: 22 Sep 2019, 10:27:22 UTC - in response to Message 1944.  

On my mac pro os 10.11.6 with 2 nvidia 980's.
only one crunches.
How to put the second to work?


Do you have a cc_config.xml file in the Boinc directory with this line in it:

<cc_config>
<options>
<use_all_gpus>1</use_all_gpus>
</options>
</cc_config>

If not use a text editor to make the file and put it in there, then reboot and see if Boinc see both of them.
If Boinc still doesn't see them you may have to load the drivers again for the 2nd gpu.
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Questions and Answers : Windows : Only 1 GPU being used since early Aug


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