Forum > GPU crunching

MB_6.08_CUDA_V12_ VLARKill_FPLim2048.exe Excessive CPU Usage

(1/3) > >>

rTx:
Running on a twin core AMD Athlon 64x2 5000+ 4Gb RAM, with a GeForce 9500 GT 512Mb, I get 50% CPU usage by MB_6.08_CUDA_V12_VLARKill_FPLim2048.exe - that is one core is fully occupied.

I am using Windows XP 32 bit fully updated (NVidia driver 6.14.11.8250).  BOINC 6.6.36 running as daemon.  I used the Unified Installer (0.2) a couple of days ago after I put the new graphics card into this machine (which was previously non-CUDA) to create the app_info.xml.  I had one previously which I had done myself.

I should add BOINC Manager reports only 0.04 CPU usage.  I am getting the 50% usage figure from Task Manager. I am running CPDN (100), Rosetta (100), WCG (100) but WCG project is suspended on this computer, and SETI (1). Figures in parentheses are weightings.  SETI is set in account preferences not to use CPU (just GPU).

As you would expect, if I suspend SETI project, I get about 49% each CPU Usage on the CPDN and Rosetta projects (up from about 24% each with SETI enabled)

Any suggestions, please?

sunu:

--- Quote from: rTx on 04 Aug 2009, 02:14:56 am ---I am using Windows XP 32 bit fully updated (NVidia driver 6.14.11.8250).  BOINC 6.6.36 running as daemon.  I used the Unified Installer (0.2) a couple of days ago after I put the new graphics card into this machine (which was previously non-CUDA) to create the app_info.xml.  I had one previously which I had done myself.

--- End quote ---
Not fully updated... You say you're running nvidia driver 182.50. I don't remember exactly, but I think our windows cuda client needs a later driver (185?). Anyway the latest NVIDIA driver is 190.38 http://www.nvidia.com/object/winxp_190.38_whql.html Try it. And if you haven't done already, get the latest 2.3 cuda libraries.

rTx:
Thanks.  So I updated the Nvidia driver to 6.14.11.9038.  I had previously updated using the Windows update facility - I should have known it would be five months out of date!  CPU usage for the process is now down to about 1%.  So that fixed that.  I'll do the libraries next.

sunu:

--- Quote from: rTx on 04 Aug 2009, 09:39:31 am ---I'll do the libraries next.

--- End quote ---

Cuda 2.3 will give you a nice speedup.

rTx:

--- Quote from: sunu on 04 Aug 2009, 09:49:22 am ---Cuda 2.3 will give you a nice speedup.

--- End quote ---
Very much faster. Thanks.

Navigation

[0] Message Index

[#] Next page

Go to full version