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Message boards : Graphics cards (GPUs) : can't use my new laptop geforce G102M

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tumaru
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Message 12931 - Posted: 30 Sep 2009 | 1:58:37 UTC

i just got a new laptop with a new graphic card and it has a CUDA card with the Geforce G102M GPU and 512 mb ram. i have an Asus K50IN-X4-BIL however on the website it's just a K50IN. I updated all the drivers from Nvidia.

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Message 12932 - Posted: 30 Sep 2009 | 3:02:18 UTC - in response to Message 12931.

i just got a new laptop with a new graphic card and it has a CUDA card with the Geforce G102M GPU and 512 mb ram. i have an Asus K50IN-X4-BIL however on the website it's just a K50IN. I updated all the drivers from Nvidia.

Can you get the message line from the messages tab that reports the CUDA "card"?

I suspect that it may not be able to run GPU Grid as being too low end. Or there is something else going on ... at the moment your computer list does not show any GPUs at all ...

This shows an ATI card Only one i have handy (sorry), your will/should say CUDA and not "No coprocessors found":

29-Aug-2009 05:55:48 [---] Local time is UTC -7 hours
29-Aug-2009 05:55:50 [---] Can't load library nvcuda.dll
29-Aug-2009 05:55:50 [---] ATI GPU 0: RV770 (CAL version , 512MB, 1232GFLOPS)


Not:

29-Aug-2009 02:17:15 [---] No coprocessors

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Message 13039 - Posted: 6 Oct 2009 | 6:02:15 UTC - in response to Message 12932.
Last modified: 6 Oct 2009 | 6:07:31 UTC

(duplicate)

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Message 13040 - Posted: 6 Oct 2009 | 6:05:26 UTC - in response to Message 12932.
Last modified: 6 Oct 2009 | 6:56:22 UTC

According to what I've seen on some other BOINC projects, some of the later 6.6.* BOINC versions default to having GPU use turned off, if you haven't made any effort to tell those versions to turn it on. That's what I found with 64-bit BOINC 6.6.36 for Windows and at least one other 6.6.* version for Windows.

Also, the G105M on my laptop is too low-end a version to use under GPUGRID. If you're using a version of BOINC recent enough to show the GPU type, and it shows 1.1 for the compute capability, don't expect very many BOINC projects to be able to use it. Collatz Conjecture and possibly GPU-SETI appears to be the only ones generating enough workunits it can run to keep it busy. In case someone suggests Milkyway@home, I've already found that their GPU application requires compute capability 1.3 in order to get some double precision capability that project requires. GPUGRID appears to be satisfied with either compute capability 1.2 or 1.3, but not some of the lower end cards with compute capability 1.2.

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Message 13041 - Posted: 6 Oct 2009 | 6:12:50 UTC

MW requires double precision and only the 200 plus cards have that ... though at this time you are better off if you want to run MW to get an ATI card as the GTX260 (for example) takes 3:30 to run one task for MW and the slightly less expensive (last I looked) HD4870 does them in 0:55 seconds ... (well, unless you have two cards in the system and the other card is running Collatz which is likely a bug ... though I have not figured out why)

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Message 13063 - Posted: 7 Oct 2009 | 6:07:21 UTC - in response to Message 13041.

MW requires double precision and only the 200 plus cards have that ... though at this time you are better off if you want to run MW to get an ATI card as the GTX260 (for example) takes 3:30 to run one task for MW and the slightly less expensive (last I looked) HD4870 does them in 0:55 seconds ... (well, unless you have two cards in the system and the other card is running Collatz which is likely a bug ... though I have not figured out why)


Paul,

You may want to check for signs that the MW and Collatz workunits actually run one after the other on the same video card, instead of on separate cards.

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Message 13066 - Posted: 7 Oct 2009 | 7:55:21 UTC - in response to Message 13063.

MW requires double precision and only the 200 plus cards have that ... though at this time you are better off if you want to run MW to get an ATI card as the GTX260 (for example) takes 3:30 to run one task for MW and the slightly less expensive (last I looked) HD4870 does them in 0:55 seconds ... (well, unless you have two cards in the system and the other card is running Collatz which is likely a bug ... though I have not figured out why)


Paul,

You may want to check for signs that the MW and Collatz workunits actually run one after the other on the same video card, instead of on separate cards.

It appears to be the case that though BOINC told them to run on the different cards there may have been issues in the science applications that prevented this from happening correctly in some cases. I have 2.05b (Collatz) and a .20b (MW) and they seem to be well behaved as I have watched them in several exchanges where I am running one task each. So, Gispel looks like he found an issue.

The only thing that worries me at this time is that I am now running both applications with APP INFO files on the anon platform and I don't know if it will hold true when I drop that on Collatz when the 2.05b version becomes the (hopefully 2.06) official version. The bad news is that the 6.10.13 only reports the GPU that the task should be running on, and that may or may not be the GPU on which it is actually running...

Anyway, I have reported my results to both the Alpha list and to Gispel and on the Collatz board.

What I am very interested in happening is that we can move to the place where both Collatz and MW are issuing the most up to date Gispel applications as the official version ... I don't like the anon platform because it is too easy to miss an update ... but that it just me ...

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Message boards : Graphics cards (GPUs) : can't use my new laptop geforce G102M

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