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Message boards : Number crunching : 570 GTX and 450 GTS GPU %'s

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Sphynx[BlackOps]
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Message 20777 - Posted: 24 Mar 2011 | 0:25:31 UTC

I have the 570 in PCI-e #1 slot and the 450 in #2. The 450 consistently runs the high 80's in gpu usage. The 570 always runs in the low 60's. Is there any way to increase the gpu usage of the 570? I'm using swan_sync and I have 2 cores free.

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Al

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Message 20779 - Posted: 24 Mar 2011 | 14:45:51 UTC - in response to Message 20777.

You can user EVGA's Precision software to up the fan speed. Also, you can use MSI's Afterburner to do the same.

Thanks,

-Joshua
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Message 20781 - Posted: 25 Mar 2011 | 0:17:37 UTC - in response to Message 20779.

The 80's and 60's were gpu usage percentages, not temperatures

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Message 20782 - Posted: 25 Mar 2011 | 6:57:47 UTC - in response to Message 20781.

A few people have reported poor GPU utilization on Win7, especially with the larger cards. I'm getting around 84% for long IBUCH tasks on XP.

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Message 21026 - Posted: 20 Apr 2011 | 14:16:18 UTC - in response to Message 20782.

Still getting a good 85% for IBUCH long tasks.
This is slightly faster than MW tasks on my system (2xGTX470, i7-920, XP, 6 CPU tasks).
The present Toni task I am running is using 95% of the GPU,
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Message 21042 - Posted: 23 Apr 2011 | 2:20:25 UTC - in response to Message 21026.

I now have 2 - GTX 570's and both continue to have low utilization on all tasks, generally in the mid 60%.
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Message 21043 - Posted: 23 Apr 2011 | 13:20:15 UTC - in response to Message 21042.

I now have 2 - GTX 570's and both continue to have low utilization on all tasks, generally in the mid 60%.


Looking at your last successful task on the dual GTX570 rig, it seems your speeds were all over the place. It is down clocking or you are fiddling with speeds. I notice you have 270.61 drivers, maybe go back to the 266.58 driver to see if that cures it. The guys on Seti were also mentioning they have seen down clocking on 270.61 drivers. It won't improve the utilization but might help with the run times.
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Message 21045 - Posted: 23 Apr 2011 | 17:29:56 UTC - in response to Message 21043.

I'll see how the next 24 hours goes. I did do some overclocking which seemed to speed things up a bit....until both the 570's throttled themselves to approximately 50%...thus the slowdown. The single 570 was stable at the mild overclock, but with both mildly overclocked and a new driver, I have had an occasional throttling problem.

If it happens again I'll try reverting to the older driver.

Thanks,

Al
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Message 21048 - Posted: 24 Apr 2011 | 8:45:39 UTC - in response to Message 21045.
Last modified: 24 Apr 2011 | 9:04:45 UTC

The problem with all the recent drivers is that NVidia no longer allows you to stipulate the GPU power management mode from the NVidia Control Panel. I think this is mainly to allow their throttling software to kick in, prevent failures and protect your card. Clearly it's not quite right.

What are your temperatures when crunching at maximum utilization (GPUs, CPU, ambient)?

What speed+fan controlling software are you using?

What are your Windows power settings?

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Message 21094 - Posted: 28 Apr 2011 | 2:35:53 UTC - in response to Message 21048.

Actually, I have the newest Nvidia driver and it still lets me specify "prefer maximum performance," which I have.

Currently I have both my GTX 570 overclocked to 900/1800/1900 @ 1.075v. They have been stable for several hours, without throttling. The extra voltage seemed to help there.

I use evga precision to control the fan and I have both set at 75%. Current temps on GPUGRID Toni wu are 67c and 71c - utilization is between 55% and 65%. Also, there is an Air Conditioning vent close the computer that is currently spewing cold air. Without it the temps generally run around 78c.

CPU is slightly overclocked to 3.7 and rarely runs over 53c. ambient 24c.

Windows Power Setting are set to never sleep. This computer is on 24/7



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Message 21095 - Posted: 28 Apr 2011 | 9:55:57 UTC - in response to Message 21094.

Prefer maximum performance is selectable only for Win 7 and Vista, which are slower operating systems for GPUGrid crunching. It's not there for XP or 2003 (the faster Windows operating systems for GPUGrid crunching). Some cards throttle down their clocks because of this, while others are not affected. Which cards throttle back could be down to specific manufacturers, models and version numbers.

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Message boards : Number crunching : 570 GTX and 450 GTS GPU %'s