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Who is getting a Titan? - Page 8

post #71 of 102
I think I'm actually getting somewhere biggrin.gif




I'll leave it running overnight, can someone please let me know exactly what data you'd like and pretty clear instructions on where I can fetch it? I'm still fumbling around this quite a lot. If there are other projects you'd like tested, please give me a shout.

Thanks thumb.gif
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post #72 of 102
Kane, you are some kind of super hero, repped!

As for stats, the screen shots of your account page is fine. We just need to know completion times for the tasks and the points awarded.
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post #73 of 102
It doesn't look like MW likes the Titan all that much, my 6950 puts out about 4X as much once you factor in that the Titan is doing two to my one.
post #74 of 102
Quote:
Originally Posted by tommykl View Post

It doesn't look like MW likes the Titan all that much, my 6950 puts out about 4X as much once you factor in that the Titan is doing two to my one.

Didn't I read in some article that you have to enable the FP64 full function in the driver setup somewhere???? Can't remember when or where....

FP64 performance is SUPPOSED to be 1/3 FP32!!! It should be screaming a LOT faster than say a GTX 580 with 1/8 FP32...

Something to try?

biggrin.gif

HERE!!

There is one other quirk to Titan’s FP64 implementation however, and that is that it needs to be enabled (or rather, uncapped). By default Titan is actually restricted to 1/24 performance, like the GTX 680 before it. Doing so allows NVIDIA to keep clockspeeds higher and power consumption lower, knowing the apparently power-hungry FP64 CUDA cores can’t run at full load on top of all of the other functional units that can be active at the same time. Consequently NVIDIA makes FP64 an enable/disable option in their control panel, controlling whether FP64 is operating at full speed (1/3 FP32), or reduced speed (1/24 FP32).

biggrin.gif
Edited by Tex1954 - 2/28/13 at 4:28pm
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post #75 of 102
Yep, you're right, have to enable it in the driver, thanks smile.gif

Unfortunately, that seems to have dropped GPU usage to 32%, I'm gonna reboot it and see if it sticks

Edit:

Bah... that hasn't worked, thanks for the Anand link, tried it but utilization is pretty shoddy now






I'm open to ideas and suggestions?

Apologies again for being so absolutely useless with BOINC tongue.gif
Edited by Kane2207 - 2/28/13 at 4:41pm
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post #76 of 102
Quote:
Originally Posted by Kane2207 View Post

Yep, you're right, have to enable it in the driver, thanks smile.gif

Unfortunately, that seems to have dropped GPU usage to 32%, I'm gonna reboot it and see if it sticks

Well, Milkyway uses FP64... so it ought to help provided the card is in a 16-lane slot... It may be CPU limited too if you are running other things...

But, that should speed things up even if usage is lower... just means you might be able to run more tasks at the same time!

biggrin.gif
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post #77 of 102
Ah, yeah, I get it. So I need to kick it up to 6?

I'm guessing by my 3rd screenie above that I'm currently only running two threads?
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post #78 of 102
Yeah, try running more tasks. In your App_info file change the line
Code:
<count>0.5</count>

to
Code:
<count>0.16</count>

For 6 tasks


The number there is 1 / the number of tasks you want to run. So for 4 tasks it would be 1/4 = 0.25, for 5 tasks it would be 1/5 = 0.2 and so on.
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post #79 of 102
Running 7 threads, on FP64, GPU usage is now 95%, card temp is 69C



I'll leave it running and post a couple of screens again soon thumb.gif

Thank you all for your patience and help smile.gif
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post #80 of 102
Quote:
Originally Posted by Kane2207 View Post

Thank you all for your patience and help smile.gif

Not at all, thank you for letting us see what your new toy can do!

I never thought I would be this tempted to drop $1000 on a GPU.
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