What and Where is the Cuda 2.2 mod ??

Questions and Answers : GPU applications : What and Where is the Cuda 2.2 mod ??
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Message 893609 - Posted: 11 May 2009, 9:09:30 UTC

I have been reading here and at the EVGA site about Cuda 2.2. But Even looking at the Lunatic site I find it confusing and left wondering exactly what it is and which files or mods have to be used besides NVidia"s newest driver version 182.85 that I have already installed.
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Message 893610 - Posted: 11 May 2009, 9:16:22 UTC - in response to Message 893609.  
Last modified: 11 May 2009, 9:31:47 UTC

I have been reading here and at the EVGA site about Cuda 2.2. But Even looking at the Lunatic site I find it confusing and left wondering exactly what it is and which files or mods have to be used besides NVidia"s newest driver version 182.85 that I have already installed.


Strange, I make Nvidia's newest WHQL driver as 185.85, the one with Cuda 2.2,
all you need is the driver installed and the Cuda 2.2 .dll's from Raistmer's V10/V11 thread:

Re: V10/11 of modified SETI MB CUDA + opt AP package for full multi-GPU+CPU use

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Message 893614 - Posted: 11 May 2009, 9:59:11 UTC

If you're already running with an app_info.xml file, then it's an easy and worthwhile upgrade. You need to upgrade to the Nvidia 185.25 drivers first, and then just replace the runtime and FFT files (cudart.dll and cufft.dll) with the ones from Raistmer's post - follow Claggy's link. Because the files have the same names as the ones you're already using, no other change is needed - you do not have to edit app_info.xml

I found the upgrade reduced both the elapsed time and the CPU time for CUDA tasks. The visual output to the monitor seems smoother too, but that may just be wishful thinking.

Unfortunately, if you're just running the stock downloads from Berkeley to get the benefit of automatic application upgrading, you won't be able to make use of the new runtime and FFT files - the files issued by Berkeley have a digital signature, and BOINC will refuse to use the replacements because the signatures won't match.
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Message 893615 - Posted: 11 May 2009, 10:21:11 UTC

Be warned - my GTX295 runs *much* hotter with CUDA 2.2. I've had to up the fan from 70% to 95% - oooohhh, the noise :(

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Message 893617 - Posted: 11 May 2009, 11:04:15 UTC

Upgraded to 2.2 DLL's and 185.85 drivers. A few degrees warmer here on 9600GSO w/20%OC. It seems the cpu utilisation has dropped by half from ~4% to ~2%.

Will be interesting to see what the task times come in as.
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Message 893765 - Posted: 12 May 2009, 0:03:13 UTC - in response to Message 893617.  
Last modified: 12 May 2009, 0:04:38 UTC

Wow.

I went from 80 degrees to almost 100 and that's at 100% fan!

Might not be so bad if the card didn't dump half it's heat back into the case.

Holy Hannah!

I may have to throttle things back a bit here.

Rob

Edit: With the side cover off and a floor fan blowing into it, the top GPU temp went down to 82. Still..
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Message 893775 - Posted: 12 May 2009, 0:41:40 UTC

Are all CUDA cards v2.2 capable? I thought I read somewhere that only the high end cards had the ability to utilize v2.2.
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Message 893776 - Posted: 12 May 2009, 0:43:02 UTC - in response to Message 893765.  

Wow.

I went from 80 degrees to almost 100 and that's at 100% fan!

Might not be so bad if the card didn't dump half it's heat back into the case.

Holy Hannah!

I may have to throttle things back a bit here.

Rob

Edit: With the side cover off and a floor fan blowing into it, the top GPU temp went down to 82. Still..

I just need a bigger and better psu as I'm getting crashes due to what I run(I just recovered from one a few minutes back), My gpus always stay cool, They just aren't getting enough power all the time as the 850w wasn't designed or approved for a GTX295(not overclocked) and a Q9300 overclocked to 3.51GHz. So It's a 1050w Enermax Revolution85+ psu as soon as possible for Me as I can get It for not too much and It's be brand New and can handle up to 30A on each +12v rail and there are 6 there to choose from too.
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Message 893877 - Posted: 12 May 2009, 6:50:44 UTC - in response to Message 893776.  
Last modified: 12 May 2009, 6:52:17 UTC


I just need a bigger and better psu as I'm getting crashes due to what I run(I just recovered from one a few minutes back), My gpus always stay cool, They just aren't getting enough power all the time as the 850w wasn't designed or approved for a GTX295(not overclocked) and a Q9300 overclocked to 3.51GHz. So It's a 1050w Enermax Revolution85+ psu as soon as possible for Me as I can get It for not too much and It's be brand New and can handle up to 30A on each +12v rail and there are 6 there to choose from too.



Try this little gem it may make your PSU problem a thing of the PAST!!

http://www.thermaltakestore.com/w010157.html
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Message 893949 - Posted: 12 May 2009, 15:16:39 UTC - in response to Message 893877.  


I just need a bigger and better psu as I'm getting crashes due to what I run(I just recovered from one a few minutes back), My gpus always stay cool, They just aren't getting enough power all the time as the 850w wasn't designed or approved for a GTX295(not overclocked) and a Q9300 overclocked to 3.51GHz. So It's a 1050w Enermax Revolution85+ psu as soon as possible for Me as I can get It for not too much and It's be brand New and can handle up to 30A on each +12v rail and there are 6 there to choose from too.



Try this little gem it may make your PSU problem a thing of the PAST!!

http://www.thermaltakestore.com/w010157.html

Nice, But no. I plan on adding a 2nd GTX295, So that wouldn't do the job, The Enermax 1050w Revolution85+ psu will do fine and fits My plans better, Not to mention the PC I run.
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Message 893984 - Posted: 12 May 2009, 21:57:11 UTC

Nice little bump in RAC going to 2.2. From what I've seen so far, wall clock time on the GPU has decreased roughly 15 percent per WU, and the reported CPU time has made a major reduction. A MB WU that prior to 2.2 took 106 seconds of CPU time now takes only about 36 seconds.
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Message 894061 - Posted: 13 May 2009, 0:39:27 UTC

This question has been asked elsewhere, but I've not seen an answer. What cards support CUDA 2.2? I'm running the 185.85 drivers and the dll's Raistmer posted at Lunatics but I see CUDA 1.3 in the BM startup messages.
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Message 894098 - Posted: 13 May 2009, 3:04:09 UTC - in response to Message 894061.  

This question has been asked elsewhere, but I've not seen an answer. What cards support CUDA 2.2? I'm running the 185.85 drivers and the dll's Raistmer posted at Lunatics but I see CUDA 1.3 in the BM startup messages.

Yeah same here, But It's working at least. :)
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Message 894117 - Posted: 13 May 2009, 4:28:48 UTC

In fact the PC seems smoother since I installed the 185.85 drivers and then the CUDA 2.2 dll files and the Cuda WU's seem to process faster, But only time will tell for sure on that.
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Message 894139 - Posted: 13 May 2009, 6:50:57 UTC - in response to Message 894061.  

This question has been asked elsewhere, but I've not seen an answer. What cards support CUDA 2.2? I'm running the 185.85 drivers and the dll's Raistmer posted at Lunatics but I see CUDA 1.3 in the BM startup messages.

What you see in the BM startup messages is the hardware 'compute capability', not the software version.
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Message 894165 - Posted: 13 May 2009, 12:18:44 UTC - in response to Message 894061.  

This question has been asked elsewhere, but I've not seen an answer. What cards support CUDA 2.2? I'm running the 185.85 drivers and the dll's Raistmer posted at Lunatics but I see CUDA 1.3 in the BM startup messages.

MarkJ has pointed out that the startup messages have been clarified in later versions of BOINC.

From v6.6.28:

13/05/2009 13:15:28 CUDA device: GeForce 9800 GT (driver version 18585, compute capability 1.1, 512MB, est. 60GFLOPS)
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Message 894234 - Posted: 13 May 2009, 16:44:11 UTC - in response to Message 894139.  
Last modified: 13 May 2009, 16:44:27 UTC

This question has been asked elsewhere, but I've not seen an answer. What cards support CUDA 2.2? I'm running the 185.85 drivers and the dll's Raistmer posted at Lunatics but I see CUDA 1.3 in the BM startup messages.

What you see in the BM startup messages is the hardware 'compute capability', not the software version.

Ok, Now all We need is a recommended and if course newer version than 6.6.20, Maybe somewhere in 6.6.3x range or so? But We'll find out when that day comes.
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Message 894661 - Posted: 14 May 2009, 18:32:16 UTC

So which cudart.dll should be replaced? The one in the seti@home project directory, the one in the BOINC Program Files directory, or both?
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Message 894670 - Posted: 14 May 2009, 18:50:33 UTC - in response to Message 894661.  

The one in the SAH file.


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Message 894683 - Posted: 14 May 2009, 19:05:16 UTC

Thx. Actually I did both...but seems to be working fine. :) There was a report on the lunatics forum about how 185.85 + Cuda 2.2 solves the problem some people (myself included) have where the Seti-CUDA task will simply lock up at random intervals. We shall see.
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Questions and Answers : GPU applications : What and Where is the Cuda 2.2 mod ??


 
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