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Profile arkayn
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Message 57434 - Posted: 5 Mar 2013, 21:34:18 UTC - in response to Message 57433.  

ohhh?
i have credit for compleated w/u
and 2 awaiting validation



They were done on your CPU.
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Paul and kirsty yates
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Message 57435 - Posted: 5 Mar 2013, 23:50:50 UTC

oh i see a gpu is not required but makes the work quicker??

as long as i can crunch some numbers and do some science thats all i care about
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Message 57573 - Posted: 20 Mar 2013, 13:42:22 UTC

Does anyone know if an AMD 7970 can crunch here?
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Message 57575 - Posted: 20 Mar 2013, 17:56:40 UTC - in response to Message 57573.  
Last modified: 20 Mar 2013, 18:00:14 UTC

I tried to calculate a unit MilkyWay with GeForce Titan with double precision enabled, the GeForce Titan is used only 14%, why ?

@+
*_*
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.clair.

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Message 57582 - Posted: 21 Mar 2013, 1:06:10 UTC - in response to Message 57573.  

Does anyone know if an AMD 7970 can crunch here?

Yes, they do very well heer:)
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Message 57590 - Posted: 21 Mar 2013, 11:18:07 UTC - in response to Message 57582.  

Does anyone know if an AMD 7970 can crunch here?


Yes, they do very well heer:)


Thank you VERY much!!!
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Message 57591 - Posted: 21 Mar 2013, 11:19:51 UTC - in response to Message 57575.  

I tried to calculate a unit MilkyWay with GeForce Titan with double precision enabled, the GeForce Titan is used only 14%, why ?

@+
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Is that found thru gpu-z or something? If so it may mean you can run multiple units at once on the card?
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Patrick

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Message 57593 - Posted: 21 Mar 2013, 12:13:52 UTC

The Geforce GTX Titan has a peak performance of 4500 Gflop per second SP and 1/3 of the computation units run in DP mode so the DP peak performance should be 1500Gflops.

It has 2688 Streamprocessors 1/3 are then 896 for DP.
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Message 57716 - Posted: 29 Mar 2013, 18:25:11 UTC - in response to Message 57204.  

Hi,
I use a HD6990 and a HD7950 But I am not able to use them both on the same MB using WIN7 or WIN8. When I have them on one machine the work units are done at the same speed as having only the HD7950 in on its own. I have removed all the AMD drivers and re installed them but the result is the same. with or without crossfire. Is there a trick to using different GPU cards on one machine?
Thanks for your reply.


I have the same setup, and HD6990 and HD7970 in same box with windoze 7.

The only thing I had to do to make it work was make sure the 7970 was the primary card. The 7970 takes about 54s to finish and the 6990 takes about 115s at stock speeds.

8-)
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Message 57728 - Posted: 30 Mar 2013, 5:37:55 UTC - in response to Message 57573.  

Yes it will do great!

http://boinc.berkeley.edu/wiki/ATI_Radeon
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Message 57736 - Posted: 30 Mar 2013, 17:47:05 UTC - in response to Message 57381.  
Last modified: 30 Mar 2013, 17:55:06 UTC

The GTX Titan should do well here; it's FP64 performance is 1/3 that of it's FP32.

'NVIDIA's GeForce GTX Titan, Part 1: Titan For Gaming, Titan For Compute'
by Ryan Smyth, anandtech.com


I have tested Titan last day on milkyway and it works ok. When doubleprecision is enabled it can run 7 tasks in parallel (~97% GPU, 80% of TDP=200W) and can produce cca 300k credits per day.


Have you tried more than 7 tasks in parallel?

The Geforce GTX Titan has a peak performance of 4500 Gflop per second SP and 1/3 of the computation units run in DP mode so the DP peak performance should be 1500Gflops.

It has 2688 Streamprocessors 1/3 are then 896 for DP.

As the top dp frequencies are lower than the top sp frequencies the maximum performance is slightly less than 1/3rd - it's 1.3TFLOPS.
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Message 57739 - Posted: 30 Mar 2013, 22:32:58 UTC

There seems to be some question at to whether or not a GT 520 card will work on this project. Just for the record, I have been using one for the past year or so and it crunches Milkyway@home WUs just fine -- also Einstein@Home and SETI@Home. I tried running two WUs at a time in it for awhile, but decided I wasn't gaining much and apparently slowing down CPU jobs because of the extra CPU effort needed to keep two WUs running in the GPU. Not sure why that is, but it sure appeared to be the case! (The machine has s dual core AMD cpu and I have my computing preferences set to use 100% of available CPUs.)
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Message 57743 - Posted: 31 Mar 2013, 11:08:25 UTC - in response to Message 57739.  
Last modified: 31 Mar 2013, 11:08:46 UTC

There seems to be some question at to whether or not a GT 520 card will work on this project. Just for the record, I have been using one for the past year or so and it crunches Milkyway@home WUs just fine -- also Einstein@Home and SETI@Home. I tried running two WUs at a time in it for awhile, but decided I wasn't gaining much and apparently slowing down CPU jobs because of the extra CPU effort needed to keep two WUs running in the GPU. Not sure why that is, but it sure appeared to be the case! (The machine has s dual core AMD cpu and I have my computing preferences set to use 100% of available CPUs.)


Are you crunching a cpu project using those cpu's at the same time? If so change the setting so one cpu is left free, per gpu, then set MW to run two units at once again and see if it helps. When you also run a cpu project on the same cpu you use to fee a gpu it can slow down both projects. Since the gpu projects crank out much more work it might make sense to drop one cpu core from the cpu projects and give more to the gpu projects.
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John Clark

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Message 57759 - Posted: 2 Apr 2013, 13:49:54 UTC

53 to 54 seconds is my experience with that card on MW ...
Go away, I was asleep


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Message 57763 - Posted: 2 Apr 2013, 16:08:58 UTC - in response to Message 57739.  
Last modified: 2 Apr 2013, 16:10:05 UTC

There seems to be some question at to whether or not a GT 520 card will work on this project. Just for the record, I have been using one for the past year or so and it crunches Milkyway@home WUs just fine -- also Einstein@Home and SETI@Home. I tried running two WUs at a time in it for awhile, but decided I wasn't gaining much and apparently slowing down CPU jobs because of the extra CPU effort needed to keep two WUs running in the GPU. Not sure why that is, but it sure appeared to be the case! (The machine has s dual core AMD cpu and I have my computing preferences set to use 100% of available CPUs.)


One thing I forgot...the Admins need to edit the first post in this thread to include the cards that work but are not listed. Having to read thru EVERY post just to figure out if one does or does not work means it probably isn't going to happen. How many people have connected only to find out theirs doesn't work?
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Message 57812 - Posted: 5 Apr 2013, 16:55:50 UTC - in response to Message 57763.  

I hope the new "Updated GPU Requirements" thread is sufficient. Please post there with comments, issues or workarounds.
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Message 57813 - Posted: 5 Apr 2013, 17:13:14 UTC

I have the GTX 260M in my alienware laptop. According to the notice I received from Milkyway at home, my cpu doesn't support double precision extension, however it is sill computing....any ideas if its working or not.
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Message 57814 - Posted: 5 Apr 2013, 17:19:42 UTC - in response to Message 57813.  

Are you crunching CPU (processor) workunits, or GPU (graphics cards) workunits? Even if your GPU can't crunch, your CPU can still run workunits.
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Message 57817 - Posted: 5 Apr 2013, 20:57:22 UTC - in response to Message 55804.  

Arkayn,

I finally got around to installing a new driver. The version I have now is Catalyst 13.1. It's WORKING!! Thanks again, Arkayn. Max
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Message 57819 - Posted: 6 Apr 2013, 3:28:18 UTC - in response to Message 57814.  

honestly I don't know, but I have an i7 quad under the hood. It is working, I have 4 different lines of status bar on my screen.
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Message boards : Number crunching : GPU Requirements

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