My PC does not have an NVIDIA card and I set the option "never use GPU". However, the message log tells me that the BOINC manager continues to request work for the GPU and - of course - always gets the answers "scheduler request completed: got 0 new tasks" and "message from server: no work sent".

I think it's an error in the BOINC manager that it is requesting work for the GPU.

Lothar

My PC does not have an NVIDIA card and I set the option "never use GPU". However, the message log tells me that the BOINC manager continues to request work for the GPU and - of course - always gets the answers "scheduler request completed: got 0 new tasks" and "message from server: no work sent".

I think it's an error in the BOINC manager that it is requesting work for the GPU.

Lothar

Well, it's plainly silly and wasteful, but it's not actually a BOINC Manager bug.

If you are attached to a project that has new enough server code, and which has a ATI application available to send out, you'll see an option in your account's project preferences web page:

Use ATI GPU 
Enforced by version 6.10+

Setting that to 'no' does work - the GPU work requests from BOINC will be inhibited.

But if the project hasn't got a ATI application, there's no way you can stop BOINC asking for work for the non-existing application for an ATI card - crazy. It got so bad at AQUA that they re-installed a dummy CUDA application (but made no work for it) just so people could turn off the work requests. It would be simple to make the server send out the 'don't ask' signal if there was no application installed, but they won't do it - I've tried suggesting it a couple of times now.

Another question regarding task requestions. I often find the message "This computer has reached a limit on tasks in progress". Which limit is this?

The computer has a quadcore CPU. Actually there are 4 tasks running and 20 tasks are waiting. The 20 tasks will consume about 100 hours of CPU time. So I will not be able to download enough tasks to feed the CPU for my main project SETI, as this project does not deliver tasks on Tuesday through Thursday.

Lothar Geyer

Yes, the current limits are:
Per CPU: 6
Per GPU: 48
Max 1000 per computer

They started with:
Per CPU: 5
Per GPU: 40
Max 140 per computer

and will be released on Monday morning (Berkeley time).

For more information on that topic, you should visit the Number crunching forum at the SETI site, since the related threads in the News section had to be hidden due to server load.

Gruß,
Gundolf

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Computer sind nicht alles im Leben. (Kleiner Scherz)