with the new short workunits having arrived, could you guys (preferably someone having 280x or 7970 cards) give some info as to how many workunits you have run simultaneously?

i ve tried 1, 2, 4, 6 and i dont know whats best.
anyone would like to share their experience?

1 simultaneously is just not enough to keep the gpu at even 50% load. 2 simultaneously shows a load of ~60% with 1 card crunching 2 workunits every 10 seconds. 4 works best in terms of full load, but the workunits have those annoying patterns that even when you manually suspend some of them to keep the card loaded at all times, they return to their initial state of 4 units with all the same progress.

thanks in advance and happy crunching

Yes, this is a well known problem. Some time ago there were different wu types with different runtimes, this was helpful. Maybe they come back ..

I run 4 workunits per GPU on 7970.
2 per GPU on 5870.

I'm running 4 per GPU on a 280X.

I've heard of the issue of the tasks all getting "synchronized" and wanting to start/finish at the same time (stalling the GPU during loading), but I've never actually witnessed it enough to be concerned.

---

How do you run more then one WU on R9 280x video card? I was told its possible to do it but I have no idea how to accomplish this as I am still learning the ins and outs of the boinc program and how it functions.

Thanks.

Dartanian.

Place a file called app_config.xml in MW's data directory (Windows 7~ C:\ProgramData\BOINC\projects\milkyway.cs.rpi.edu_milkyway).
Contents as follows. If you want to edit, save as ANSI; other encodings may not be read correctly.

<app_config>
<app>
<name>milkyway</name>
<gpu_versions>
<gpu_usage>0.33</gpu_usage>
<cpu_usage>0.33</cpu_usage>
</gpu_versions>
</app>
<app>
<name>milkyway_separation__modified_fit</name>
<gpu_versions>
<gpu_usage>0.25</gpu_usage>
<cpu_usage>0.25</cpu_usage>
</gpu_versions>
</app>
</app_config>

This directs MW to run 3 or 4 units in parallel, respectively.

I'm running 16 units at the same time on my 6950.

Kwartet,

What's the directory path under windows 10? I cant seem to find projects\milkyway.cs.rpi.edu_milkyway even though I did find the file for BOINC.

Fyi: I am only running one project....not multiple ones.

Also I have created the file and saved it under the filename "app_config.xml" you mentioned but boinc looks for the filename "cc_config.xml", are you sure you have the correct filename?


Dartanian.

Kwartet,

What's the directory path under windows 10? I cant seem to find projects\milkyway.cs.rpi.edu_milkyway even though I did find the file for BOINC.

Dartanian.

C:\program data\boinc\projects

program data is one of the hidden directories and you must unhide it to see it, it's was the same in Win7.

Berkeley, the makers of BOINC software, have this to say about client configuration files

https://boinc.berkeley.edu/wiki/Cc_config.xml

I have a cc_config in my W7 installation, but none on my other PC running w10. I most definitely did not type that myriad of configuration options! But I did once edit a line, maybe two.

No cc_config in W10? Didn't realize that, seems to run OK.

Further down in the Berkeley Wiki, app_config.xml is described. I don't do anything with app versions.

Best regards

Berkeley, the makers of BOINC software, have this to say about client configuration files

https://boinc.berkeley.edu/wiki/Cc_config.xml

I have a cc_config in my W7 installation, but none on my other PC running w10. I most definitely did not type that myriad of configuration options! But I did once edit a line, maybe two.

No cc_config in W10? Didn't realize that, seems to run OK.

Further down in the Berkeley Wiki, app_config.xml is described. I don't do anything with app versions.

Best regards

At some projects without a config file you can't crunch at all, at others your way often works best.