NVidia GT240 - any good for crunching & expected RAC?

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Message 973956 - Posted: 26 Feb 2010, 5:35:35 UTC - in response to Message 973955.  

Thanks for the reply. There list is out-of-date because the current version of control center is 10.2
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Message 973993 - Posted: 26 Feb 2010, 9:42:20 UTC

You can't use the ATI cards for Seti (yet). It should work with Collatz though.
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Message 974049 - Posted: 26 Feb 2010, 14:55:21 UTC - in response to Message 973993.  

the onboard isn't capable of running in crossfire mode. you need to have 2 ATI PCIe Crossfire compatible cards to run in Crossfire mode. the onboard GPU is going to be a bit slower than a PCIe card of similar rating.

You can probably set up an optimized app to run Astropulse in the ATI gpu but the AP WU's are few and far between. Better to do COllatz on it. At least you know you'll actually be doing some work instead of sitting idle


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Message 974082 - Posted: 26 Feb 2010, 16:52:05 UTC - in response to Message 974049.  

the onboard isn't capable of running in crossfire mode. you need to have 2 ATI PCIe Crossfire compatible cards to run in Crossfire mode. the onboard GPU is going to be a bit slower than a PCIe card of similar rating.

You can probably set up an optimized app to run Astropulse in the ATI gpu but the AP WU's are few and far between. Better to do COllatz on it. At least you know you'll actually be doing some work instead of sitting idle

Their board actually does support crossfire with the onboard chip. However, I don't know if that is really important to running BOINC projects. Somewhat like SLI needs to be disabled in NVIDIA cards for everything to work correctly for SETI.
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Message 974373 - Posted: 27 Feb 2010, 6:18:33 UTC

I just picked up a pair of these with the DDR5 @ frys for $80 a piece...couldn't resist giving them a shot. It's going to be a little while until the RAC stabilizes, but so far it looks like they are knocking out a WU in about 35mins a piece (196.21 w/ Lunatics Unified 0.2)

That about inline with what you guys are seeing?
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Message 974434 - Posted: 27 Feb 2010, 12:09:25 UTC - in response to Message 974373.  

It looks like that OPT app for GT 240 is not happiest (fastest) solution.
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Message 974450 - Posted: 27 Feb 2010, 13:59:49 UTC

Hmm, where did my post go?!

OK, I have detached from project, uninstalled BOINC, Re-installed without using the Lunatics unified installer and now Cuda tasks are running in 20 mins instead of 4 hours, but CPU tasks are giving a rather ridiculous 20 hours ETA, rather than the 4 and a bit I am used to!

It shouldn't be this hard, should it?! LOL
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Message 974456 - Posted: 27 Feb 2010, 14:13:06 UTC - in response to Message 974450.  

You CPU task compute long because stock application is slow compared to opt application from Lunatics installer
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Message 974458 - Posted: 27 Feb 2010, 14:23:24 UTC

OK, I used their Unified installer before because it's been a very long time since I had to re-install and have forgotten how to install the optimised ap - and the Lunatics website is making it non too clear at the moment!

I want to install the optimised CPU app, but not the CUDA app as that clearly has compatability issues - any pointers anyone, please?
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Message 974459 - Posted: 27 Feb 2010, 14:28:10 UTC

Oh god! I installed the AK_V8 files that I used before and when I restarted Boinc it ditched all my CUDA tasks saying "no application found...."

:(
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Message 974461 - Posted: 27 Feb 2010, 14:45:31 UTC - in response to Message 974456.  
Last modified: 27 Feb 2010, 14:52:39 UTC

Hi, but you can also run CUDA stock and optimized for CPU, you can define that in the app_info.xml, or am I totally of coarse?
Never actually tried it, cause there wasn't any need for.
Have used the 'Unified Installer'from Lunatics, the last times, it makes things so much easier, only have to change to CUDA 2.3 i.e. 2.2
and the right* card-driver's.
*( Not every card, appears to works well with the same drivers.)
Maybe the CUDA version and card driver # , does not match the card, used.
I've noticed some 'strange'things, with the 196.21* (one higher, updated).
Screen slowly receiving white pixels, until the whole screen is white (R,G,B;255,255,255)
So I reverted to 18x.xx .(Writing this on my LT)

Think, that happened to anyone, Andy, (first) trying the Optimized app. and writing the
app_info.xml file, I wouldn't worry, they'll get resend and you'll get some new ones :)
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Message 974463 - Posted: 27 Feb 2010, 14:59:05 UTC - in response to Message 974461.  
Last modified: 27 Feb 2010, 15:03:47 UTC

Hi, but you can also run CUDA stock and optimized for CPU, you can define that in the app_info.xml, or am I totally of coarse?
Never actually tried it, cause there wasn't any need for.
Have used the 'Unified Installer'from Lunatics, the last times, it makes things so much easier, only have to change to CUDA 2.3 i.e. 2.2
and the right* card-driver's.
*( Not every card, appears to works well with the same drivers.)
Maybe the CUDA version and card driver # , does not match the card, used.
I've noticed some 'strange'things, with the 196.21* (one higher, updated).
Screen slowly receiving white pixels, until the whole screen is white (R,G,B;255,255,255)
So I reverted to 18x.xx .(Writing this on my LT)

Think, that happened to anyone, Andy, (first) trying the Optimized app. and writing the
app_info.xml file, I wouldn't worry, they'll get resend and you'll get some new ones :)


Thanks for the pointer, I reinstalled using the unified installer and changed the CUDA Dlls to 2.3 and it appears to be running better. Will see how this goes :) Thanks!
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Message 974475 - Posted: 27 Feb 2010, 15:42:00 UTC

Andy can you clarify what you did?
Did you install the CUDA via the Unified installed and just override with the Cuda 2.3 drivers?

I seem to be having the same issue you were experiencing a couple posts back with Seti tossing all of my cuda WUs
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Message 974476 - Posted: 27 Feb 2010, 15:45:00 UTC - in response to Message 974475.  

Andy can you clarify what you did?
Did you install the CUDA via the Unified installed and just override with the Cuda 2.3 drivers?



Yes, that is exactly what I did.

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Message 974479 - Posted: 27 Feb 2010, 15:48:39 UTC

thanks, I'll give that a shot :)
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Message 974481 - Posted: 27 Feb 2010, 16:00:48 UTC

wow, that made a hell of a difference, good call.

Seems to be running cuda about 4x faster
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Message 975101 - Posted: 1 Mar 2010, 19:29:57 UTC

I read that this card takes about 70 Watts. My PSU should be able to handle this.. hmmmm in 24/7 mode how much RAC increase could I expect (all as optimized as one could get it offcourse ;) ?
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Message 975107 - Posted: 1 Mar 2010, 19:43:13 UTC - in response to Message 975101.  

I read that this card takes about 70 Watts. My PSU should be able to handle this.. hmmmm in 24/7 mode how much RAC increase could I expect (all as optimized as one could get it offcourse ;) ?


It can take 70 WATT,but that is in peak. Since your card WILL NOT be used 100%, you real power cosumption will be at max about 50 - 55 WATT. That is value I get when I monitor my computer in idle, and when GT 240 compute SETI.

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Message 975123 - Posted: 1 Mar 2010, 20:42:39 UTC

50/55 Watts, even better :D

Do you have any idea what this card would do for RAC (24/7 mode)?

(this could motivate me enough to buy one ;)
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Message 975125 - Posted: 1 Mar 2010, 20:50:32 UTC - in response to Message 975123.  

I have two of these cards running on Windows 7 x64 combined with a i5 750 I get about 10k - 12k RAC, its a bit low at the moment as im still recovering from long downtime. I only have this machine on from like 8am - 10pm as well so running 24/7 you should get alot more RAC!

Overall I think they are pretty decent cards for the very low cost!

D
Cheers
D

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Message boards : Number crunching : NVidia GT240 - any good for crunching & expected RAC?


 
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