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Profile Paul D Harris
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Posts: 1122
Credit: 33,600,005
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Message 1065809 - Posted: 12 Jan 2011, 4:28:56 UTC - in response to Message 1065684.  

Sorry for the slow response but I had to see my doctor and then I had dialysis and just got home.

@ Heli
I made my cc_config file with your spacing exactly.
I restarted seti and now the error message disapeared

I also created and inserted my app_info file and looks like this

I got the first part from perryjay
I got the second part from seti web site.

@ perryjay
I run the Lunitacs unified installer and it did not give me app_info file in this location on my hard drive.
C:\Documents and Settings\All Users\Application Data\BOINC
Where can I find oneI have win xp 32bit intel i7 and 460 card which I custom built a couple years ago except for the card I just got yesterday.
Do I need the astropulse stuff in the app_info file since I run the unified installer from Lunitics?

Thanks for the help.

<app_version>
 <app_name>setiathome_enhanced</app_name>
  <version_num>608</version_num>
  <platform>windows_intelx86</platform>
  <plan_class>cuda</plan_class>
  <avg_ncpus>0.040000</avg_ncpus>
  <max_ncpus>0.040000</max_ncpus>
 <coproc>
  <type>CUDA</type>
  <count>1</count>
</coproc>


	<app>
		<name>astropulse</name>
	</app>
	<file_info>
		<name>astropulse_4.35_windows_intelx86.exe</name>
		<executable/>
	</file_info>
	<file_info>
		<name>libfftw3f-3-1-1a_upx.dll</name>
		<executable/>
	</file_info>
	<file_info>
		<name>ap_graphics_4.35_windows_intelx86.exe</name>
		<executable/>
	</file_info>
	<app_version>
		<app_name>astropulse</app_name>
		<version_num>435</version_num>
		<file_ref>
			<file_name>astropulse_4.35_windows_intelx86.exe</file_name>
			<main_program/>
		</file_ref>
		<file_ref>
			<file_name>libfftw3f-3-1-1a_upx.dll</file_name>
		</file_ref>
		<file_ref>
			<file_name>ap_graphics_4.35_windows_intelx86.exe</file_name>
			<open_name>graphics_app</open_name>
		</file_ref>
	</app_version>
	</app_version>
ID: 1065809 · Report as offensive
Profile Paul D Harris
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Message 1065815 - Posted: 12 Jan 2011, 4:38:09 UTC - in response to Message 1065809.  

@ all
I found one and it looks like this on my hard drive at
C:\Documents and Settings\All Users\Application Data\BOINC\projects\setiathome.berkeley.edu\oldApp_backup
Can I use this one or do I need to make changes

- <app_info>
- <app>
  <name>setiathome_enhanced</name> 
  </app>
- <file_info>
  <name>AK_v8b_win_SSE41.exe</name> 
  <executable /> 
  </file_info>
- <app_version>
  <app_name>setiathome_enhanced</app_name> 
  <version_num>603</version_num> 
- <file_ref>
  <file_name>AK_v8b_win_SSE41.exe</file_name> 
  <main_program /> 
  </file_ref>
  </app_version>
- <app>
  <name>astropulse_v505</name> 
  </app>
- <file_info>
  <name>ap_5.05r339_SSE.exe</name> 
  <executable /> 
  </file_info>
- <app_version>
  <app_name>astropulse_v505</app_name> 
  <version_num>505</version_num> 
- <file_ref>
  <file_name>ap_5.05r339_SSE.exe</file_name> 
  <main_program /> 
  </file_ref>
  </app_version>
- <app>
  <name>setiathome_enhanced</name> 
  </app>
- <file_info>
  <name>MB_6.08_CUDA_V12_noKill_FPLim2048.exe</name> 
  <executable /> 
  </file_info>
- <file_info>
  <name>cudart.dll</name> 
  <executable /> 
  </file_info>
- <file_info>
  <name>cufft.dll</name> 
  <executable /> 
  </file_info>
- <file_info>
  <name>libfftw3f-3-1-1a_upx.dll</name> 
  <executable /> 
  </file_info>
- <app_version>
  <app_name>setiathome_enhanced</app_name> 
  <version_num>608</version_num> 
  <plan_class>cuda</plan_class> 
  <avg_ncpus>0.040000</avg_ncpus> 
  <max_ncpus>0.040000</max_ncpus> 
- <coproc>
  <type>CUDA</type> 
  <count>1</count> 
  </coproc>
- <file_ref>
  <file_name>MB_6.08_CUDA_V12_noKill_FPLim2048.exe</file_name> 
  <main_program /> 
  </file_ref>
- <file_ref>
  <file_name>cudart.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>cufft.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>libfftw3f-3-1-1a_upx.dll</file_name> 
  </file_ref>
  </app_version>
- <app_version>
  <app_name>setiathome_enhanced</app_name> 
  <version_num>608</version_num> 
  <plan_class>cuda23</plan_class> 
  <avg_ncpus>0.040000</avg_ncpus> 
  <max_ncpus>0.040000</max_ncpus> 
- <coproc>
  <type>CUDA</type> 
  <count>1</count> 
  </coproc>
- <file_ref>
  <file_name>MB_6.08_CUDA_V12_noKill_FPLim2048.exe</file_name> 
  <main_program /> 
  </file_ref>
- <file_ref>
  <file_name>cudart.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>cufft.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>libfftw3f-3-1-1a_upx.dll</file_name> 
  </file_ref>
  </app_version>
  </app_info>

ID: 1065815 · Report as offensive
Profile Paul D Harris
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Message 1065816 - Posted: 12 Jan 2011, 4:40:21 UTC - in response to Message 1065815.  
Last modified: 12 Jan 2011, 4:47:17 UTC

Sorry to be bothersome
I found another on my hard drive which looks like this at
And I run this unified installer
boinc_6.11.4_windows_intelx86.exe

C:\Documents and Settings\All Users\Application Data\BOINC\projects\setiathome.berkeley.edu

What corrections should I make.

- <app_info>
- <app>
  <name>setiathome_enhanced</name> 
  </app>
- <file_info>
  <name>AK_v8b_win_SSE41.exe</name> 
  <executable /> 
  </file_info>
- <app_version>
  <app_name>setiathome_enhanced</app_name> 
  <version_num>603</version_num> 
- <file_ref>
  <file_name>AK_v8b_win_SSE41.exe</file_name> 
  <main_program /> 
  </file_ref>
  </app_version>
- <app>
  <name>astropulse_v505</name> 
  </app>
- <file_info>
  <name>ap_5.05r409_SSE.exe</name> 
  <executable /> 
  </file_info>
- <app_version>
  <app_name>astropulse_v505</app_name> 
  <version_num>505</version_num> 
- <file_ref>
  <file_name>ap_5.05r409_SSE.exe</file_name> 
  <main_program /> 
  </file_ref>
  </app_version>
- <app>
  <name>setiathome_enhanced</name> 
  </app>
- <file_info>
  <name>Lunatics_x32f_win32_cuda30_preview.exe</name> 
  <executable /> 
  </file_info>
- <file_info>
  <name>cudart32_30_14.dll</name> 
  <executable /> 
  </file_info>
- <file_info>
  <name>cufft32_30_14.dll</name> 
  <executable /> 
  </file_info>
- <file_info>
  <name>libfftw3f-3-1-1a_upx.dll</name> 
  <executable /> 
  </file_info>
- <app_version>
  <app_name>setiathome_enhanced</app_name> 
  <version_num>608</version_num> 
  <plan_class>cuda</plan_class> 
  <avg_ncpus>0.040000</avg_ncpus> 
  <max_ncpus>0.040000</max_ncpus> 
- <coproc>
  <type>CUDA</type> 
  <count>1</count> 
  </coproc>
- <file_ref>
  <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name> 
  <main_program /> 
  </file_ref>
- <file_ref>
  <file_name>cudart32_30_14.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>cufft32_30_14.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>libfftw3f-3-1-1a_upx.dll</file_name> 
  </file_ref>
  </app_version>
- <app_version>
  <app_name>setiathome_enhanced</app_name> 
  <version_num>609</version_num> 
  <plan_class>cuda23</plan_class> 
  <avg_ncpus>0.040000</avg_ncpus> 
  <max_ncpus>0.040000</max_ncpus> 
- <coproc>
  <type>CUDA</type> 
  <count>1</count> 
  </coproc>
- <file_ref>
  <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name> 
  <main_program /> 
  </file_ref>
- <file_ref>
  <file_name>cudart32_30_14.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>cufft32_30_14.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>libfftw3f-3-1-1a_upx.dll</file_name> 
  </file_ref>
  </app_version>
- <app_version>
  <app_name>setiathome_enhanced</app_name> 
  <version_num>610</version_num> 
  <plan_class>cuda_fermi</plan_class> 
  <avg_ncpus>0.040000</avg_ncpus> 
  <max_ncpus>0.040000</max_ncpus> 
- <coproc>
  <type>CUDA</type> 
  <count>1</count> 
  </coproc>
- <file_ref>
  <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name> 
  <main_program /> 
  </file_ref>
- <file_ref>
  <file_name>cudart32_30_14.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>cufft32_30_14.dll</file_name> 
  </file_ref>
- <file_ref>
  <file_name>libfftw3f-3-1-1a_upx.dll</file_name> 
  </file_ref>
  </app_version>
  </app_info>
ID: 1065816 · Report as offensive
-BeNt-
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Message 1065818 - Posted: 12 Jan 2011, 4:45:25 UTC

On one of my machines with dual cards all it took was creating a cc config with the "<use_all_gpus>1</use_all_gpus>" options set. Then if you want to run more than one WU at a time on each card you would change the "<count>1</count>" in the app info to .50.

As far as the app info for the lunatics install here is what mine looks like:



<app_info> 
    <app>
        <name>setiathome_enhanced</name>
    </app>
    <file_info>
        <name>AK_v8b_win_x64_SSSE3x.exe</name>
        <executable/>
    </file_info>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>603</version_num>
	<platform>windows_intelx86</platform>
        <file_ref>
           <file_name>AK_v8b_win_x64_SSSE3x.exe</file_name>
            <main_program/>
        </file_ref>
    </app_version>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>603</version_num>
	<platform>windows_x86_64</platform>
        <file_ref>
           <file_name>AK_v8b_win_x64_SSSE3x.exe</file_name>
            <main_program/>
        </file_ref>
    </app_version>
    <app>
        <name>astropulse_v505</name>
    </app>
    <file_info>
        <name>ap_5.05r409_SSE.exe</name>
        <executable/>
    </file_info>
    <app_version>
        <app_name>astropulse_v505</app_name>
        <version_num>505</version_num>
	<platform>windows_intelx86</platform>
        <file_ref>
            <file_name>ap_5.05r409_SSE.exe</file_name>
            <main_program/>
        </file_ref>
    </app_version>    
    <app_version>
        <app_name>astropulse_v505</app_name>
        <version_num>505</version_num>
	<platform>windows_x86_64</platform>
        <file_ref>
            <file_name>ap_5.05r409_SSE.exe</file_name>
            <main_program/>
        </file_ref>
    </app_version>
    <app>
        <name>setiathome_enhanced</name>
    </app>
    <file_info>
        <name>Lunatics_x32f_win32_cuda30_preview.exe</name>
        <executable/>
    </file_info>
    <file_info>
        <name>cudart32_30_14.dll</name>
        <executable/>
    </file_info>
    <file_info>
        <name>cufft32_30_14.dll</name>
        <executable/>
    </file_info>
    <file_info>
        <name>libfftw3f-3-1-1a_upx.dll</name>
        <executable/>
    </file_info>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>608</version_num>
	<platform>windows_intelx86</platform>
        <plan_class>cuda</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.50</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>609</version_num>
	<platform>windows_intelx86</platform>
        <plan_class>cuda23</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.50</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>610</version_num>
	<platform>windows_intelx86</platform>
        <plan_class>cuda_fermi</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.50</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>608</version_num>
	<platform>windows_x86_64</platform>
        <plan_class>cuda</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.50</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>609</version_num>
	<platform>windows_x86_64</platform>
        <plan_class>cuda23</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.50</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>610</version_num>
	<platform>windows_x86_64</platform>
        <plan_class>cuda_fermi</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.50</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
</app_info>


Hope it helps ya!
Traveling through space at ~67,000mph!
ID: 1065818 · Report as offensive
Profile Paul D Harris
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Joined: 1 Dec 99
Posts: 1122
Credit: 33,600,005
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Message 1065823 - Posted: 12 Jan 2011, 4:58:42 UTC - in response to Message 1065818.  
Last modified: 12 Jan 2011, 5:10:04 UTC

@ -BeNt-
I will use this one from on my hard drive
and made change code from 1 to .5
Thanks alot I think I got it solved I hope.

C:\Documents and Settings\All Users\Application Data\BOINC\projects\setiathome.berkeley.edu

I have the cc_config file done already with correct spacing here at on my hard drive
C:\Documents and Settings\All Users\Application Data\BOINC



<app_info> 
    <app>
        <name>setiathome_enhanced</name>
    </app>
    <file_info>
        <name>AK_v8b_win_SSE41.exe</name>
        <executable/>
    </file_info>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>603</version_num>
        <file_ref>
           <file_name>AK_v8b_win_SSE41.exe</file_name>
            <main_program/>
        </file_ref>
    </app_version>
    <app>
        <name>astropulse_v505</name>
    </app>
    <file_info>
        <name>ap_5.05r409_SSE.exe</name>
        <executable/>
    </file_info>
    <app_version>
        <app_name>astropulse_v505</app_name>
        <version_num>505</version_num>
        <file_ref>
            <file_name>ap_5.05r409_SSE.exe</file_name>
            <main_program/>
        </file_ref>
    </app_version>    
    <app>
        <name>setiathome_enhanced</name>
    </app>
    <file_info>
        <name>Lunatics_x32f_win32_cuda30_preview.exe</name>
        <executable/>
    </file_info>
    <file_info>
        <name>cudart32_30_14.dll</name>
        <executable/>
    </file_info>
    <file_info>
        <name>cufft32_30_14.dll</name>
        <executable/>
    </file_info>
    <file_info>
        <name>libfftw3f-3-1-1a_upx.dll</name>
        <executable/>
    </file_info>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>608</version_num>
        <plan_class>cuda</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.5</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>609</version_num>
        <plan_class>cuda23</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.5</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
    <app_version>
        <app_name>setiathome_enhanced</app_name>
        <version_num>610</version_num>
        <plan_class>cuda_fermi</plan_class>
        <avg_ncpus>0.040000</avg_ncpus>
        <max_ncpus>0.040000</max_ncpus>
        <coproc>
            <type>CUDA</type>
            <count>.5</count>
        </coproc>
        <file_ref>
            <file_name>Lunatics_x32f_win32_cuda30_preview.exe</file_name>
            <main_program/>
         </file_ref>
        <file_ref>
	       <file_name>cudart32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>cufft32_30_14.dll</file_name>
        </file_ref>
        <file_ref>
            <file_name>libfftw3f-3-1-1a_upx.dll</file_name>
        </file_ref>
    </app_version>
</app_info>
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Message 1065827 - Posted: 12 Jan 2011, 5:10:32 UTC - in response to Message 1065823.  

@ -BeNt-
I will use this one from on my hard drive
and made change code from 1 to .5
Thanks alot I think I got it solved I hope.

C:\Documents and Settings\All Users\Application Data\BOINC\projects\setiathome.berkeley.edu

I have the cc_config file done already with correct spacing here at on my hard drive
C:\Documents and Settings\All Users\Application Data\BOINC


*cut extra stuff out*


Remember that the .5 setting will change it to run 2 WU's at a time on each card, not use both cards. I lost track of where you were on fixing your issue I know at one time you could only get one card running. Best of luck!
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Profile Paul D Harris
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Message 1065830 - Posted: 12 Jan 2011, 5:13:47 UTC - in response to Message 1065827.  
Last modified: 12 Jan 2011, 5:15:02 UTC

@ -BeNt-

Yeah I got the cc_config file when I was running 2 cards. I left it where it was I have 1 card now the 460. And the app_info file is working ok now so thanks a lot it works!
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Message 1065833 - Posted: 12 Jan 2011, 5:19:17 UTC - in response to Message 1065830.  

@ -BeNt-

Yeah I got the cc_config file when I was running 2 cards. I left it where it was I have 1 card now the 460. And the app_info file is working ok now so thanks a lot it works!


Good news, happy crunching!
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Message 1068300 - Posted: 19 Jan 2011, 18:24:39 UTC

Well, I've gone from 165000 units on Jan 11 to 280000 as of yesterday. Nothing happening today, of course.

It's odd to see I'm on schedule to do in 2 weeks what I've done all previously back to the late 1990s. And that includes previous cuda stuff.
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Message 1068304 - Posted: 19 Jan 2011, 18:46:38 UTC - in response to Message 1068300.  

Well, I've gone from 165000 units on Jan 11 to 280000 as of yesterday. Nothing happening today, of course.

It's odd to see I'm on schedule to do in 2 weeks what I've done all previously back to the late 1990s. And that includes previous cuda stuff.


My one machine now is nearing on 1/2 of my entire credit gained in the last 11 years with all my other other machines. Incredible what GPU computing has been able to do to allow us to complete work at such a quick clip. The RAC certainly shows that.
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Message 1068308 - Posted: 19 Jan 2011, 19:20:54 UTC

It makes me wonder what we need CPU's for. How come they just use the GPU for computers and leave out the CPU.
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Message 1068329 - Posted: 19 Jan 2011, 20:21:33 UTC

My thoughts exactly Paul.
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Message 1068332 - Posted: 19 Jan 2011, 20:38:43 UTC

With Nvidia entering the cpu market with arm chips at first, I see that possibly changing sometime in the distant future. Well if it doesn't flop anyways.
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Message 1068341 - Posted: 19 Jan 2011, 21:33:54 UTC - in response to Message 1068332.  
Last modified: 19 Jan 2011, 21:34:14 UTC

With Nvidia entering the cpu market with arm chips at first, I see that possibly changing sometime in the distant future. Well if it doesn't flop anyways.


Bum-bum ;).
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Message 1068345 - Posted: 19 Jan 2011, 21:42:26 UTC - in response to Message 1068308.  

It makes me wonder what we need CPU's for. How come they just use the GPU for computers and leave out the CPU.


We need them to do mundane tasks like driving the OS, and feeding our GPU's with work etc. The GPU is highly specialised to its functions. It can do some things extremely fast and others not so much. We need CPU's just as much as we need GPU's.

What is truly exciting is that we are seeing integration of GPU's and CPU's, but for the time being they are just fun experiments to use for marketing, we are many years away from being independent of a discrete GPU.

All we need now is for software developers to get onboard and optimise their tasks to run as efficiently as possible on CPU's and GPU's where it may be convenient.
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Message 1068356 - Posted: 19 Jan 2011, 22:19:10 UTC - in response to Message 1068308.  

It makes me wonder what we need CPU's for. How come they just use the GPU for computers and leave out the CPU.


Manuel is exactly right. GPGPUs are basically highly effective maths engines designed for doing specific types of workloads, primarily number-crunching intensive scientific work, which is why they're so good at distributed computing. Most of this type of work is highly parallelized loops for manipulating the same bit of data with different algorithms.

If a GPGPU were to try to do a CPU's job of running the OS, launching apps, saving data, etc. it would actually be slower (especially considering that much of it cannot be parallelized due to the nature of the code) then the CPU. The code-branches alone would cause lots of execution stalls and probably mis-predicted code conditions, slowing things down even further.


Think of GPGPUs as nothing more than a modern-day FPU from way back when. Even though the FPU was faster at specific types of maths than the CPU, it was no faster or even slower on the typical code used for common functions. The FPU was never replaced, only integrated into the CPU. The same is currently happening to the GPGPU.
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Message 1071454 - Posted: 28 Jan 2011, 9:29:02 UTC
Last modified: 28 Jan 2011, 9:34:10 UTC

Well, it's official. It too 27 days with the new 6-core and GTX 460 to double all the work I've done since 1999-ish.

It's fairly stable now, and I'm using the Lunatics stuff. The GPU is "always on", and doesn't really interfere with games. Don't know why.


By the way, if there is an update to Lunatics, how does that work? Will my Boinc just stop processing because the code will not match the new required version? I presume Lunatics updates when the official Seti@Home does.
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Message 1071458 - Posted: 28 Jan 2011, 9:38:17 UTC - in response to Message 1071454.  

By the way, if there is an update to Lunatics, how does that work? Will my Boinc just stop processing because the code will not match the new required version? I presume Lunatics updates when the official Seti@Home does.

Nope - you have to keep checking back here for updates. What you have won't stop processing anyway but it is one of the burdens of running Lunatics builds that you are locked-in to the Boards ;)

F.
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Message 1071461 - Posted: 28 Jan 2011, 9:44:12 UTC - in response to Message 1071458.  
Last modified: 28 Jan 2011, 9:45:25 UTC

Like Fred said..

If you have already the x32f CUDA app of Lunatics Installer V0.37, you are fine..

You could let run (if you don't do it already ;-) 3 WUs/GPU simultaneously (GTX4xx-5xx 1024 MB RAM cards) for max RAC.
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Message 1071566 - Posted: 28 Jan 2011, 17:09:03 UTC
Last modified: 28 Jan 2011, 17:13:14 UTC

Yep, I used the v0.37 master installer in December.

I note confusion between the stats of Fred W and Sutaru Tsureku for Seti@Home



Fred W: 8m, rank 869, 99.925%
ST: 60m credits, rank 118, 99.798%


Why is Fred's % higher even though his credits are lower? Maybe one is individual rank and the other team rank?




> You could let run (if you don't do it already ;-) 3 WUs/GPU simultaneously (GTX4xx-5xx 1024 MB RAM cards) for max RAC.

Has someone run tests to determine if it's worth it for 3 on a 1GB GTX 460? :)

My own system, due to other uses, would not be a good test system since I don't "leave it alone".
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Message boards : Number crunching : GTX 460


 
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