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post #11 of 14 (permalink) Old 02-15-2018, 03:24 AM
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Quote: Originally Posted by tictoc View Post
So the secret handshake is... "Run it in Windows dummy"

I actually read that when I noticed I wasn't getting tasks. Between then and now I completely forgot that was the reason why I wasn't getting any tasks.

*Edit* Thanks for the reminder @mmonnin . I just loaded up some Collatz, but I'll be back to GPUGrid if the Linux app is running again.
There are tasks for Linux again. Still just sparse work.


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post #12 of 14 (permalink) Old 11-05-2018, 03:49 AM
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Some over at GPUGrid forums have figured out how to use SWAN_SYNC in Linux to get getter GPU util. It also reserves an entire CPU thread though. Similar to OpenCL for NV cards in Linux, it spins up a thread for constant CPU-GPU talk.

-1) If there are tasks running: Enter BOINC Manager - Activity - Suspend. Exit Boinc Manager. This will checkpoint and stop all running tasks
-2) Open a Terminal window, and execute the following commands:
-3) sudo killall boinc
-4) sudo gedit /lib/systemd/system/boinc-client.service
-5) Add the following line immediately below [Service] tag: Environment="SWAN_SYNC=1"
-6) Save the change and close gedit instance. Return to Terminal window
-7) sudo systemctl daemon-reload
-8) sudo /etc/init.d/boinc-client restart
-9) Close Terminal window
-10) Enter BOINC Manager - Activity - Run

https://www.gpugrid.net/forum_thread.php?id=4813#50824

More info here:
https://www.gpugrid.net/forum_thread.php?id=4813#50824


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post #13 of 14 (permalink) Old 11-05-2018, 10:27 PM
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Good find.
Depending on how you are running BOINC, I would dedicate 2 threads to the GPU, since one of them will always be at 100% usage to feed the GPU. This will increase screen lag on GPUGrid, so if you are crunching on your daily driver, I would suggest running GPUGrid without the SWAN_SYNC environment variable.

Quick note on the above commands, depending on your distribution, some of the commands might be a little different. Directly editing the boinc-client.service file will not survive an update of the BOINC package.
The commands below will extend the default service configuration via a configuration file, can be easily reverted, and will also survive an update to the BOINC package.

Here's a version that should work with any distro (including Debian, Ubuntu, Mint) that uses systemd (minus the Debian/Ubuntuisms and unnecessary commands ):

- Suspend all running BOINC tasks
- Open a terminal
- Stop the boinc-client service
Code:
$ sudo systemctl stop boinc-client   # I think most distros now package BOINC as boinc-client, but if your distro doesn't, then substitute "boinc-client" for the name of your distro's service
- Edit the boinc-client service file
Code:
$ sudo systemctl edit boinc-client.service   # This will open the system default terminal editor
- In the editor, add the environment variable and then save
Code:
Environment="SWAN_SYNC=1"
- Reload the boinc-client service to apply the changes
Code:
$ sudo systemctl daemon-reload
- Start BOINC
Code:
$ sudo systemctl start boinc-client
- After you have re-started the BOINC client you can resume the GPUGrid task, and you will see increased CPU/GPU usage.
- To remove the variable and restore the boinc-client service to it's original state; suspend any running tasks, stop BOINC, and then from a terminal enter:
Code:
$ sudo systemctl revert boinc-client.service
$ sudo systemctl daemon-reload
*Edited* typos



Last edited by tictoc; 11-05-2018 at 10:32 PM.
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post #14 of 14 (permalink) Old 01-24-2019, 08:36 AM
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Man GPUgrid is dry as a bone lately, only had 2 short tasks in the last 3 or 4 days.



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