CUDA time to completion


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Questions and Answers : GPU applications : CUDA time to completion

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Profile Bernie Vine
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Message 1029644 - Posted: 30 Aug 2010, 10:58:41 UTC

I have finally ventured into CUDA crunching with a rather ancient GF8800. I only set this up yesterday and the original "Time to completion" was around 28 hours, the actual completion time is between 15-20 minutes.

My question is how long before this becomes closer to the real time. At the moment I am only getting 3 or 4 CUDA WU's at a time, this will obviously not last long during the outage. Is there a way to correct this.

Bernie
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Message 1029679 - Posted: 30 Aug 2010, 13:58:03 UTC - in response to Message 1029644.

It will get better over time, but you can support BOINC, as you are running anonymous platform. Look for threads that contain "flops" or "<flops>" over at Number crunching.

Gruß,
Gundolf
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Message 1029701 - Posted: 30 Aug 2010, 15:39:18 UTC - in response to Message 1029644.

Welcome to CUDA crunching Bernie. Isn't it fun watching that little GPU fly? I see you got the latest Lunatics offering and plenty of work now. Looks like you are good to go.
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Profile Bernie Vine
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Message 1029746 - Posted: 30 Aug 2010, 17:49:42 UTC
Last modified: 30 Aug 2010, 17:50:25 UTC

Yes all is now good, the time to completion suddenly dropped from 26 hours to around 30 minutes. So I have picked up plenty of work.

I wasn't sure how long it took for the system to adjust, I read in another thread that it takes 10 validated results.

Yes it is very satisfying to watch a WU "move up the queue" and finish in minutes rather than hours. So much so that I am thinking of getting a cheap CUDA card for another of my machines. Any suggestions?

Bernie
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Profile [seti.international] Dirk SadowskiProject donor
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Message 1031121 - Posted: 5 Sep 2010, 10:41:06 UTC - in response to Message 1029746.

Depend of how much € you would like to pay.. ;-)

'Advice on graphic cards'

If max. ~ 116.- € then maybe a manufacturer OCed GT240.

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Message 1031160 - Posted: 5 Sep 2010, 15:03:53 UTC - in response to Message 1029746.

Looks like you didn't wait for us Bernie. That's quite a nice little army you got going there now. Are you going to do the other two machines too?
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Profile Bernie Vine
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Message 1031193 - Posted: 5 Sep 2010, 17:24:04 UTC - in response to Message 1031160.
Last modified: 5 Sep 2010, 17:27:49 UTC

Looks like you didn't wait for us Bernie. That's quite a nice little army you got going there now. Are you going to do the other two machines too?


Well I actually started a thread over in NC.

http://setiathome.berkeley.edu/forum_thread.php?id=61331

Where I did get a fair amount of advice and the GT240 seemed to fit the bill all round.

As to the other two, depending on the results from the other 3, 4241618 http://setiathome.berkeley.edu/show_host_detail.php?hostid=4241618 will hopefully get a CUDA card next month.

However 4212602 http://setiathome.berkeley.edu/show_host_detail.php?hostid=4212602 is a CCTV machine I look after for a local charity, I haven't actually physically seen it for many months.

I was going to resurrect this beast 4489474 http://setiathome.berkeley.edu/show_host_detail.php?hostid=4489474 is also has a GF8800 512meg, but it is my main machine I use for gaming and surfing and I prefer it to be idle at the moment.

However we will see how things go.

Bernie.
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Questions and Answers : GPU applications : CUDA time to completion

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