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Thamir Ghaslan

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Message 39718 - Posted: 14 May 2010, 20:45:16 UTC - in response to Message 39706.  

Power usage with 5970 @ 876/1000MHz & 4870 @ 801/900MHz on MW with 1 WU per GPU and Q9450 @ 2.66GHz running Aqua = 608W to 625W.

Idle = 245W with the 5970 fan at 40%.

At full load before the card has warmed up, so the fan is still at 40%, the power draw was 580W.

As the card temps leveled out at 67°C & 76°C, my fan profile has the fan running at 56% and the power draw is back to 608 to 625W. Glad my PSU is 850W.

Wow, the power bill is going to be BIG, BIG!


I have a 4870x2 and a 4 day old 5970 on the same board. antec 850 watts, on q6600.

Never had any issues on any projects, and temps are below 85c for all cards and card noise are ok, card fan speed below 40% thanks to a well ventilated thermal take beast of a case, front, top, bottom, rear fans for good circulation. :)

Can go quiter and way cooler with lower card mem speed.

I was under the impression that a 5970 would be doulbe the speed of a 4870x2, turns out that one GPU in a 5970 is roughly 3 times as fast as a 4870 GPU, so overall that should give out a rough 6x increase.
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Profile The Gas Giant
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Message 39724 - Posted: 14 May 2010, 23:07:03 UTC - in response to Message 39718.  

I was under the impression that a 5970 would be doulbe the speed of a 4870x2, turns out that one GPU in a 5970 is roughly 3 times as fast as a 4870 GPU, so overall that should give out a rough 6x increase.

Based on my results I'm seeing each OC'd GPU on the 5970 doing just over twice the throughput of my 4870. See here.
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Thamir Ghaslan

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Message 39727 - Posted: 15 May 2010, 5:50:43 UTC - in response to Message 39724.  
Last modified: 15 May 2010, 5:52:40 UTC

I was under the impression that a 5970 would be doulbe the speed of a 4870x2, turns out that one GPU in a 5970 is roughly 3 times as fast as a 4870 GPU, so overall that should give out a rough 6x increase.

Based on my results I'm seeing each OC'd GPU on the 5970 doing just over twice the throughput of my 4870. See here.


Strange!

Doing almost 100 second for 5800s, 300 seconds for 4800s. Same ratio hold in other projects!

http://milkyway.cs.rpi.edu/milkyway/results.php?hostid=148531&offset=0&show_names=0&state=3

I'm suspecious of your PCI slot setups, maybe it would help if your device 0 and 1 were the 5800s?

Running a gigabyte motherboard, GA-EP45-DQ6, not sure if pci-e slot speed plays a role here, if yours are both full 16x or not?

Or it might be somethign else all together? :/

the 4800 and 5800 cards are both saphire, no OC.
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Message 39731 - Posted: 15 May 2010, 11:11:01 UTC - in response to Message 39727.  

I was under the impression that a 5970 would be doulbe the speed of a 4870x2, turns out that one GPU in a 5970 is roughly 3 times as fast as a 4870 GPU, so overall that should give out a rough 6x increase.

Based on my results I'm seeing each OC'd GPU on the 5970 doing just over twice the throughput of my 4870. See here.


Strange!

Doing almost 100 second for 5800s, 300 seconds for 4800s. Same ratio hold in other projects!

http://milkyway.cs.rpi.edu/milkyway/results.php?hostid=148531&offset=0&show_names=0&state=3

I'm suspecious of your PCI slot setups, maybe it would help if your device 0 and 1 were the 5800s?

Running a gigabyte motherboard, GA-EP45-DQ6, not sure if pci-e slot speed plays a role here, if yours are both full 16x or not?

Or it might be somethign else all together? :/

the 4800 and 5800 cards are both saphire, no OC.

My 4870 is doing a MW in 190 seconds and my 5970 is doing one in 90 seconds per GPU. Yes they are OC'd

The 5970 is in slot 0 and 4870 is in slot 1 (or 2 I can't recall atm).

My mobo is an ASUS P5Q3 Deluxe/WiFi-AP@n motherboard. Quote from a review is "Another remarkable thing is three PCI Express x16 slots. However, don’t expect any wonders here: if you use two graphics cards, the first two slots will share 16 PCI Express 2.0 lanes. The third PCI Express x16 slot supports PCI Express x4 logical interface and is connected to the chipset South Bridge.
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Thamir Ghaslan

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Message 39732 - Posted: 15 May 2010, 11:57:29 UTC - in response to Message 39731.  


My mobo is an ASUS P5Q3 Deluxe/WiFi-AP@n motherboard. Quote from a review is "Another remarkable thing is three PCI Express x16 slots. However, don’t expect any wonders here: if you use two graphics cards, the first two slots will share 16 PCI Express 2.0 lanes. The third PCI Express x16 slot supports PCI Express x4 logical interface and is connected to the chipset South Bridge.


Boinc benchmarked the 5970 4.6 tera flops peak and 4870x2 1.6 tera flop peak.

~2.3 tflops vs ~800 gflops per gpu, ~2.9 multiple.

Still suspect your mobo. :/
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Message 39741 - Posted: 15 May 2010, 17:30:00 UTC - in response to Message 39732.  


My mobo is an ASUS P5Q3 Deluxe/WiFi-AP@n motherboard. Quote from a review is "Another remarkable thing is three PCI Express x16 slots. However, don’t expect any wonders here: if you use two graphics cards, the first two slots will share 16 PCI Express 2.0 lanes. The third PCI Express x16 slot supports PCI Express x4 logical interface and is connected to the chipset South Bridge.


Boinc benchmarked the 5970 4.6 tera flops peak and 4870x2 1.6 tera flop peak.

~2.3 tflops vs ~800 gflops per gpu, ~2.9 multiple.

Still suspect your mobo. :/

On the 5970's and looking at straight completion times, mine at 90sec (875/1000) and yours at 115sec (725/1010) per wu, I don't see a problem.

On the 4870 mine at 190sec and your 4870x2 at 315sec per wu, again I don't see a problem.

Obviously I am missing something here.
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Zydor
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Message 39747 - Posted: 15 May 2010, 21:55:39 UTC - in response to Message 39741.  
Last modified: 15 May 2010, 22:08:47 UTC

..Obviously I am missing something here.


Yours are fine - 5970 pumps them out two at a time, so in reality the WU throughput per card (on your current settings) is every 45 seconds.

The BOINC TFlops figure is usually generous.. 5970 TFlops is officially 4.64TFlops per card, so is BOINC expectation and the 4870 is 1.2TFlops per card, 2.4TFlops for two of them

Even a 5970 will work happily over a x8 PCIe slot, it takes a hell of an application to fill that bandwidth, let alone a x16, BOINC does not have one that big. The only likely issue with 5970s is a slight slowing, very small, if the cpu is not a high end one, as the card cycles waiting for free cpu time. i7s are ok, slight cpu bound - very minor - with Phenom2s. Below that the cpu delay builds more.

Your 4870 & 5970 working fine.

Regards
Zy
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Message 39752 - Posted: 16 May 2010, 4:20:04 UTC

I've noticed I'm getting a few errors since I installed my 5970. The errors are on both cards though, the 5970 and the 5870. Errors are before the task has finished its usual runtime and give error message: "exit code -1 (0xffffffff)"

I can't tell how many errors I'm getting daily because the results get cleared quickly. The 3 errors that are currently showing are about 3 hours apart so if that is representative I'm getting about 8 per day. That is about 0.29% of the total processed daily so it's very minor.

Still like to know what it is though. The only thing I'm doing differently now is I have removed the f20 parameter so the task iterations are now split into the default 5 parts for my cards instead of 3 parts.
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Message 39818 - Posted: 19 May 2010, 2:44:19 UTC

Eeek! Getting quite a few invalid wu's again. Dammit, I'm not at home to see what the problem is!
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Profile kashi

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Message 39822 - Posted: 19 May 2010, 4:55:35 UTC - in response to Message 39818.  

Yes all on your 5970 too. You have one error that is not a validate error. The error message for that one is usually associated with those runing multiple GPUs on a computer that has a relatively small amount of system memory. Perhaps it is also related to your validate errors. When you get home you could try running for a while with no CPU projects and see how that affects it. If it something to do with that you may need to choose CPU projects that use minimal amounts of ram or only run 1 task concurrently on your GPUs.

When I'm in doubt I usually blame AQUA because the long AQUA tasks have consistently given problems on my computer when processing GPU tasks.

My GPUs mucked up yesterday when I was fiddling around trying to be able to turn off the monitor. Tasks wouldn't crunch at all and kept giving blue screens and I had to reinstall the Catalyst driver. Been good since then and I haven't had any errors for a while now, well none that I have noticed anyway.

I was reading on another site that Catalyst 10.4 that I am using is causing problems for some gamers and/or those with multiple monitors because it is more aggressive in shutting down the second core than previous drivers. The fix is to change some settings in the registry to disable ULPS (Ultra Low Power State). I will give that a try tomorrow.
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Message 39827 - Posted: 19 May 2010, 11:07:16 UTC

I've disabled turning the monitor off after x minutes and just set it to go black. I'll just turn the monitor off when I'm done. I've also done a few things to try and get the heat away from my HAF932 case. It may be good for air flow, but like any case it just blows it out allowing it to accumulate around the case to be sucked in again through a different entry.
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Profile Paul D. Buck

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Message 39829 - Posted: 19 May 2010, 11:48:13 UTC - in response to Message 39818.  

Eeek! Getting quite a few invalid wu's again.

Aqua is using the MP feature of BOINC and I note that there was a change-set to change the way that MP scheduling is being handled. So, Kashi's note on Aqua is well taken, you may be seeing a collision with MP tasks and the GPU tasks ... or, a simple running out of main memory ...

That is the problem with the bleeding edge ... Ow! :)
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Message boards : Number crunching : Errors on new 5970

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