$499.99 in USA :(
Amazon

Summarizing the reviews: gaming performance is like we have expected it, computing performace still not known, since folding isn't working on the GTX680 yet, probably the GPUGrid client won't work either without some optimization.

http://www.tomshardware.com/reviews/geforce-gtx-680-review-benchmark,3161-14.html

Moreover, Nvidia limits 64-bit double-precision math to 1/24 of single-precision, protecting its more compute-oriented cards from being displaced by purpose-built gamer boards. The result is that GeForce GTX 680 underperforms GeForce GTX 590, 580 and to a much direr degree, the three competing boards from AMD.

Does GPUGRID use 64-bit double-precision math?

---

Reno, NV
Team: SETI.USA

If somebody can run here on a gtx680, let us know.

thanks,
gdf

Almost nothing, this should not matter.
gdf

http://www.tomshardware.com/reviews/geforce-gtx-680-review-benchmark,3161-14.html

Moreover, Nvidia limits 64-bit double-precision math to 1/24 of single-precision, protecting its more compute-oriented cards from being displaced by purpose-built gamer boards. The result is that GeForce GTX 680 underperforms GeForce GTX 590, 580 and to a much direr degree, the three competing boards from AMD.

Does GPUGRID use 64-bit double-precision math?

If somebody can run here on a gtx680, let us know.

thanks,
gdf

Should be getting an EVGA version tomorrow morning here in UK - cost me £405.

Already been asked to do some other Boinc tests first though.

It would be nice if you also reported here what you find for other projects - thanks!

MrS

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Scanning for our furry friends since Jan 2002

I wonder how this tweaked architecture will perform with these BOINC projects.
So far compute doesn't seem like Kepler's strong point.

Also, a little off topic...
But is then any progress being made on the AMD side of things?
I haven't heard a single peep about it for over a month.
If the developers still don't have a 7970, fine.
Please at least confirm as much...

Thanks.

We have a small one, good enough for testing. The code works on Windows with some bugs. We are assessing the performance.

gdf

It would seem NVidia have stopped support for XP; there are no XP drivers for the GTX 680!
http://www.geforce.com/drivers/results/42929 I think I posted about this a few months ago.

Suggestions are that the 301.1 driver is needed (probably Win).
http://www.geforce.com/drivers/beta-legacy
A Linux 295.33 driver was also released on the 22dn, and NVidia's driver support for Linux is >>better than AMD's.

The cards fan profile is such that the fans don't make much noise; so it might get hot. This isn't a good situation. If we can't use with WinXP, then we are looking at W7 (and presumably an 11% or more hit in performance)? If we use Linux we could be faced with cooling issues.

The 301.1 driver might work on a 2008R2 server, but probably not on earlier servers.

Good luck,

---

FAQ's

HOW TO:
- Opt out of Beta Tests
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OK have now got my 680 and started by running some standard gpu tasks for Seti.

On the 580 it would take (on average) 3m 40s to do one task. On the 680 (at normal settings) it takes around 3m 10s.

The card I have is an EVGA so can be overclocked using their Precision X tool.

The first overclock was too aggressive and it was clearly causing the gpu tasks to error out however lowering the overclock resulted in gpu tasks now taking around 2m 50s each.

Going to try and get a GPUGRID task shortly to see how that goes.

Tried to download and run 2 x GPUGRID tasks but both crashed out before completing the download saying acemd.win2382 had stopped responding.

So not sure what the problem is?

Just reset the graphics card back to "normal" ie. no overclock and still errors out - this time it did finish downloading but crashed out as soon as it started on the work unit so looks like this project does not yet work on the 680 ?

stderr_txt:

# Using device 0
# There is 1 device supporting CUDA
# Device 0: "GeForce GTX 680"
# Clock rate: 0.71 GHz
# Total amount of global memory: -2147483648 bytes
# Number of multiprocessors: 8
# Number of cores: 64
SWAN : Module load result [.fastfill.cu.] [200]
SWAN: FATAL : Module load failed

Assertion failed: 0, file swanlib_nv.c, line 390

We couldn't be having a 31-bit overflow on that memory size, could we?

stderr_txt:

# Using device 0
# There is 1 device supporting CUDA
# Device 0: "GeForce GTX 680"
# Clock rate: 0.71 GHz
# Total amount of global memory: -2147483648 bytes
# Number of multiprocessors: 8
# Number of cores: 64
SWAN : Module load result [.fastfill.cu.] [200]
SWAN: FATAL : Module load failed

Assertion failed: 0, file swanlib_nv.c, line 390

We couldn't be having a 31-bit overflow on that memory size, could we?

In English please?

The GPUGRID application doesn't support the GTX680 yet. We'll have test units soon and - if there are no problems - we'll update over the weekend or early next week.

MJH

English - GPUGrid's applications don't yet support the GTX680. MJH is working on an app and might get one ready soon; over the weekend or early next week.

PS. Your SETI runs show the card has some promise ~16% faster @stock than a GTX580 (244W TDP). Or 30% faster overclocked. Not sure that will be possible here, but you'll know fairly soon. Even if the GTX680 (195W TDP) just matches the GTX580 the performance/power gain might be note worthy; ~125% performance/Watt, or 45% at 116% performance of a GTX580.

---

FAQ's

HOW TO:
- Opt out of Beta Tests
- Ask for Help

Thanks for that simple to understand reply :)

I will suspend GPUGRID on that machine until the project does support the 680.

Good idea; no point returning lots of failed tasks!

I expect you will see an announcement when there is a working/beta app.

Thanks,

---

FAQ's

HOW TO:
- Opt out of Beta Tests
- Ask for Help

HPCwire - NVIDIA Launches first Kepler GPUs at gamers; HPC version waiting in the wings.
http://www.hpcwire.com/hpcwire/2012-03-22/nvidia_launches_first_kepler_gpus_at_gamers_hpc_version_waiting_in_the_wings.html?featured=top

Why would there be cooling issues in Linux? I keep my 560Ti448Core very cool by manually setting the fan speed in the nvidia settings application, after setting "Coolbits" to "5" in the xorg.conf.

It would seem NVidia have stopped support for XP; there are no XP drivers for the GTX 680!
http://www.geforce.com/drivers/results/42929 I think I posted about this a few months ago.

Suggestions are that the 301.1 driver is needed (probably Win).
http://www.geforce.com/drivers/beta-legacy
A Linux 295.33 driver was also released on the 22dn, and NVidia's driver support for Linux is >>better than AMD's.

The cards fan profile is such that the fans don't make much noise; so it might get hot. This isn't a good situation. If we can't use with WinXP, then we are looking at W7 (and presumably an 11% or more hit in performance)? If we use Linux we could be faced with cooling issues.

The 301.1 driver might work on a 2008R2 server, but probably not on earlier servers.

Good luck,