How do you run multiple task on a GPU

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If you haven't figured it out yet by doing a forum search, here's how. You need an app_config.xml file for it in your BOINC\Projects\setiathome.berkeley.edu\ directory

You can make an app_config.xml file using Notepad, following the structure depicted in the user manual. You'll need the correct application name, which you can lift (carefully) from client_state.xml (when exiting client_state.xml and it asks to save the file, always cancel!)

In short, this is what you need:
[code]<app_config>
<app>
<name>Application_Name</name>
<gpu_versions>
<gpu_usage>.5</gpu_usage>
<cpu_usage>.4</cpu_usage>
</gpu_versions>
</app>
</app_config>

<gpu_usage> set to .5 runs two tasks, set to .33 runs three tasks and so fort.
Leave <cpu_usage> at something low.

I don't have an Nvidia GPU (or am not running any devices with a GPU for that matter) so can't be of help with the default application names. Perhaps you can list what executables there are in your BOINC\Projects\setiathome.berkeley.edu\ directory?

After adding the app_config.xml file, do Options->Read config files in BOINC Manager. Although a BOINC restart may be required.

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