It's odd that your clocks are really low.

gdf

Well,
ok it runs, we can start tests.
it is very slow at least on Windows 7.
Anyone with XP and SWAN_SYNC=0?

gdf

Works here too but it's so slow that the 460 will be staying on Collatz for now. In Collatz the GPU usage is 99% and temp 56C. In GPUGRID the GPU usage is 46% and the temp 44C. Win7-32. Why can't we get an app that runs at 95+ percent when every other GPU project does that easily?

http://www.gpugrid.net/result.php?resultid=2691759
http://www.gpugrid.net/result.php?resultid=2691643
http://www.gpugrid.net/result.php?resultid=2691630

Perhaps not just a reporting artefact, either from the driver or the Boinc Version:

Beyond (W7 x86)
NVIDIA GeForce GTX 460 (738MB) driver: 25856
Boinc 6.10.57
Clock rate: 0.81 GHz

JG4KEZ(Koichi Soraku) (XP x86)
[2] NVIDIA GeForce GTX 460 (1023MB) driver: 25896
Clock rate: 1.40 GHz

Bikermatt (W7 x64)
NVIDIA GeForce GTX 460 (993MB) driver: 25896
Clock rate: 1.40 GHz

W7 still reports less RAM than the card actually has.

As we can see from Bikermatt’s results, the Boinc/Driver upgrade would only get it to report the correct speed, and would not improve performance, however it does suggest something:

The difference in performance between an XP system and a W7 system is approximately 0.81/1.4 (to within a few percent) – an XP system takes about 58% of the time to do a similar task, ie 0.81/1.4 of the time.
This is also true of the older GF100 Fermi cards!

This could be a coincidence, but it makes me suspect the update (whatever it is; driver or Boinc version) that allows GPUGrid to display the correct frequency, is actually just displaying what the clock should be, rather than what they actually are, which is still 0.81 under W7 & Vista. This would also explain why the GF100 cards are also slower to about the same ratio.

Perhaps not just a reporting artefact, either from the driver or the Boinc Version:

Beyond (W7 x86)
NVIDIA GeForce GTX 460 (738MB) driver: 25856
Boinc 6.10.57
Clock rate: 0.81 GHz

JG4KEZ(Koichi Soraku) (XP x86)
[2] NVIDIA GeForce GTX 460 (1023MB) driver: 25896
Clock rate: 1.40 GHz

Bikermatt (W7 x64)
NVIDIA GeForce GTX 460 (993MB) driver: 25896
Clock rate: 1.40 GHz

W7 still reports less RAM than the card actually has.

Just updated the Win7-32 system from BOINC 6.10.57 to 6.10.58 and the NVidia drivers from 25856 to 25896. Still reports .81. Now runs at 49% and 45C, 200 watts system draw when running GPUGRID, 240+ when running Collatz (99% GPU). When I get a chance I'll try it with XP. Until then it's on Collatz or DNETC. We really shouldn't have to be downgrading OSes to run a project IMO though.

http://www.gpugrid.net/result.php?resultid=2692961

BTW, as stated before MSI Afterburner shows the card running correctly at: 800 core / 1600 shader / 1900 memory.

It looks like Boinc/GPUGrid/Drivers think it is a GF100 card.
Did you do a restart?

Hi

Use 2x460 GPU's on this host, run "almost" fine
http://www.gpugrid.net/show_host_detail.php?hostid=75798

Yes, they work, so that is a big +ve.
The downside is that the GTX460's are a little bit slower than expected, but these are only Betas, and that might change with improved applications. It was a good idea to put them on XP - the first XP x64 I have seen in a while ;)

I guess you are not using the swan_sync=0 variable? Try leaving a core free, to see if it improves performance (I expect it will).

Good Luck,

I will be moving the beta to production today.

gdf

For the Fermi class GPU only?

Yes, due to the bug in CUDA3.1.

gdf