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  Thread: my gpu keeps starting and stopping?

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John Fontanella
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my gpu keeps starting and stopping?
Hey Ya'll,
I recently upgraded to a Radeon 7970 and on every single work unit it get to about 50% and then stop and wait then it will get to the end and stop and wait. Does anyone have any idea how to fix it? I am runing WCG.

In my amd catalyst center I can tell that the video card is simply not being used at all when it stops
John
[Jan 31, 2013 2:28:12 AM]   Link   Report threatening or abusive post: please login first  Go to top 
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Re: my gpu keeps starting and stopping?
Hello John Fontanella and welcome to WCG.

I suppose that the WU (work-unit) you are referring to is an HCC project WU for the GPU. If so, we need more input data from your end about the behaviour of that WU. To start things off...

1] Does the WU ever complete? In any case, what does the elapsed-time (under BOINC) for the WU indicate?

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[Jan 31, 2013 5:25:42 AM]   Link   Report threatening or abusive post: please login first  Go to top 
petehardy
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Re: my gpu keeps starting and stopping?
What you're describing is normal behavior for HCC GPU WUs.
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branjo
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Re: my gpu keeps starting and stopping?
Hello John,

As petehardy wrote, it is normal behaviour for HCC1 GPU WU's. Every WU has 4 points at 0%, 49.707%, 50% and 99.707% on which GPU stops and WU is proceeded on CPU.

If you wish to minimize GPU idle time, you can use app_config.xml file which allows running multiple concurrent tasks, thus there is always some of them running on GPU when some others are ran by CPU when they reach a.m. points.

Search this forums for app_config for getting idea what it is about and how it is works and if you will have any further questions do not hesitate to ask biggrin

Cheers peace
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[Jan 31, 2013 9:31:50 AM]   Link   Report threatening or abusive post: please login first  Go to top 
John Fontanella
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Re: my gpu keeps starting and stopping?
Well, I found the place to put my app_config. I put it in the correct folder, but I don't notice a change in the number of gpu tasks going on... please help


<app_config>
<app>
<name>hcc1</name>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>dsfl</name>
<max_concurrent>8</max_concurrent>
</app>
<app>
<name>dddt2</name>
<max_concurrent>8</max_concurrent>
</app>
<app>
<name>sn2s</name>
<max_concurrent>8</max_concurrent>
</app>
<app>
<name>gfam</name>
<max_concurrent>8</max_concurrent>
</app>
<app>
<name>c4cw</name>
<max_concurrent>8</max_concurrent>
</app>
<app>
<name>faah</name>
<max_concurrent>8</max_concurrent>
</app>
<app>
<name>hpf2</name>
<max_concurrent>8</max_concurrent>
</app>
<app>
<name>beta</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta3</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta5</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta7</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta10</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta11</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta12</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta13</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta14</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta15</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta17</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
<app>
<name>beta18</name>
<max_concurrent>17</max_concurrent>
<gpu_versions>
<gpu_usage>.083333</gpu_usage>
<cpu_usage>.25</cpu_usage>
</gpu_versions>
</app>
</app_config>
/max_concurrent><gpu_versions><gpu_usage>.083333</gpu_usage><cpu_usage>.25</cpu_usage></gpu_versions></app></app_config>
[Feb 2, 2013 12:52:10 AM]   Link   Report threatening or abusive post: please login first  Go to top 
nanoprobe
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Re: my gpu keeps starting and stopping?
What version of BOINC are you using? Are you sure you put it into the right folder? It goes into the WCG project folder which is hidden by default.
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[Edit 1 times, last edit by nanoprobe at Feb 2, 2013 1:39:51 AM]
[Feb 2, 2013 1:35:08 AM]   Link   Report threatening or abusive post: please login first  Go to top 
John Fontanella
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Re: my gpu keeps starting and stopping?
7.0.28 and I put it in the correct file. It re downloaded a bunch of work units and I did not receive any error messages
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deltavee
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Re: my gpu keeps starting and stopping?
Did you exit Boinc Manager and restart it?
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John Fontanella
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Re: my gpu keeps starting and stopping?
Yes, I restarted the computer
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John Fontanella
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Re: my gpu keeps starting and stopping?
I am assuming that I should see a couple of work units that say (1ati + 1cpu)? Is that correct?
[Feb 2, 2013 2:02:48 AM]   Link   Report threatening or abusive post: please login first  Go to top 
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