sli support?


log in

Advanced search

Message boards : Number crunching : sli support?

Author Message
Luther
Send message
Joined: 11 Mar 13
Posts: 12
Credit: 420,913
RAC: 0
United States
Message 1346451 - Posted: 14 Mar 2013, 7:56:43 UTC

Hey guy's I started monitoring my GPU usage today with MSI afterburner and found that only one graphics card (560ti) is doing any of the crunching for cuda_fermi and was wondering if there was away to get the other gpu to help out?

msattlerProject donor
Volunteer tester
Avatar
Send message
Joined: 9 Jul 00
Posts: 38850
Credit: 576,893,768
RAC: 522,577
United States
Message 1346455 - Posted: 14 Mar 2013, 8:22:10 UTC - in response to Message 1346451.

Hey guy's I started monitoring my GPU usage today with MSI afterburner and found that only one graphics card (560ti) is doing any of the crunching for cuda_fermi and was wondering if there was away to get the other gpu to help out?

It's got nothing to do with SLI.
You probably need a line in your config file that says use all GPUs.
I don't have the context right now, but somebody shall come around soon enough to answer.
____________
*********************************************
Embrace your inner kitty...ya know ya wanna!

I have met a few friends in my life.
Most were cats.

Profile Tim
Volunteer tester
Avatar
Send message
Joined: 19 May 99
Posts: 196
Credit: 237,892,891
RAC: 172,273
Greece
Message 1346457 - Posted: 14 Mar 2013, 8:26:35 UTC

If you have 2 cards then follow the link...

http://setiathome.berkeley.edu/forum_thread.php?id=70673

Tim
____________

Luther
Send message
Joined: 11 Mar 13
Posts: 12
Credit: 420,913
RAC: 0
United States
Message 1346460 - Posted: 14 Mar 2013, 8:35:15 UTC - in response to Message 1346457.
Last modified: 14 Mar 2013, 8:41:39 UTC

That did the trick thanks tim!

I updated boinc to the beta 7.0.56 and now both gpu's are running.

Did some looking around with my statistics and found a huge amount of fermi invalids too, hopefully that issue is gone also since i was finishing those within a few seconds of run time where now there taking about 10 minutes to finish.

Profile WilliamProject donor
Volunteer tester
Avatar
Send message
Joined: 14 Feb 13
Posts: 1580
Credit: 9,463,703
RAC: 4,036
Message 1346475 - Posted: 14 Mar 2013, 10:02:10 UTC

You were getting false -9 overflows.

560Ti are notorious for being problematic to run here - they tend to be too much at the edge of factory overclock for stable computation. (Plus a whole host of other potential problems. There was a list maybe half a year back.)

Keep an eye on it and if they start spitting out nothing but overflows again, come and ask for things to check.
They are difficult to troubleshoot so fingers crossed they are fine on their own now.
____________
A person who won't read has no advantage over one who can't read. (Mark Twain)

Message boards : Number crunching : sli support?

Copyright © 2014 University of California