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Profile Travis
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Message 35774 - Posted: 18 Jan 2010, 4:47:00 UTC

Some of our users have said that they're having problems using the ATI application on an anonymous platform; when they have settings that specify no cpu, and no nvidia gpu work, and only ATI gpu work. If anyone is having this problem please post your app_info.xml so I can send it to the boinc_dev mailing list to get it debugged. thanks!

--Travis
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Message 35777 - Posted: 18 Jan 2010, 5:34:31 UTC

This is pretty much the standard one, with the command line option included that I use and a change to the count if I want to run a Astropulse unit at SETI Beta.

<app_info> <app> <name>milkyway</name> </app> <file_info> <name>astronomy_0.20b_ATI_x64_ati.exe</name> <executable/> </file_info> <file_info> <name>brook64.dll</name> <executable/> </file_info> <app_version> <app_name>milkyway</app_name> <version_num>21</version_num> <plan_class>ati13ati</plan_class> <flops>1.0e11</flops> <avg_ncpus>0.05</avg_ncpus> <max_ncpus>1</max_ncpus> <coproc> <type>ATI</type> <count>0.90</count> </coproc> <cmdline>b-1</cmdline> <file_ref> <file_name>astronomy_0.20b_ATI_x64_ati.exe</file_name> <main_program/> </file_ref> <file_ref> <file_name>brook64.dll</file_name> </file_ref> </app_version> </app_info>

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Message 35778 - Posted: 18 Jan 2010, 7:42:26 UTC
Last modified: 18 Jan 2010, 8:00:32 UTC

I've tried several modifications on my own since the problem started - none of them helped.

I started out with:

<app_info> <app> <name>milkyway</name> <user_friendly_name>Milkyway@Home</user_friendly_name> </app> <file_info> <name>astronomy_0.20b_ATI_x64_ati.exe</name> <executable/> </file_info> <file_info> <name>brook64.dll</name> <executable/> </file_info> <app_version> <app_name>milkyway</app_name> <version_num>20</version_num> <flops>1.0e11</flops> <avg_ncpus>0.05</avg_ncpus> <max_ncpus>1</max_ncpus> <coproc> <type>ATI</type> <count>0.32</count> </coproc> <cmdline>w1.3</cmdline> <file_ref> <file_name>astronomy_0.20b_ATI_x64_ati.exe</file_name> <main_program/> </file_ref> <file_ref> <file_name>brook64.dll</file_name> </file_ref> </app_version> </app_info>


In the first attempt I changed the version to 21. When that didn't help I manually added the planclass without success.
This is what I'm using now:

<app_info> <app> <name>milkyway</name> <user_friendly_name>Milkyway@Home</user_friendly_name> </app> <file_info> <name>astronomy_0.20b_ATI_x64_ati.exe</name> <executable/> </file_info> <file_info> <name>brook64.dll</name> <executable/> </file_info> <app_version> <app_name>milkyway</app_name> <version_num>21</version_num> <plan_class>ati13ati</plan_class> <flops>1.0e11</flops> <avg_ncpus>0.05</avg_ncpus> <max_ncpus>1</max_ncpus> <coproc> <type>ATI</type> <count>0.32</count> </coproc> <cmdline>w1.3</cmdline> <file_ref> <file_name>astronomy_0.20b_ATI_x64_ati.exe</file_name> <main_program/> </file_ref> <file_ref> <file_name>brook64.dll</file_name> </file_ref> </app_version> </app_info>


Apart from some minor differences (filenames, cpu-proc-count, version number) there are identically to the ones I use for Collatz, where they strangely work.
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Message 35781 - Posted: 18 Jan 2010, 16:04:27 UTC

I am not having this problem.


I have the switches set to CPU=No, nVidia=No, and ATI=Yes, on WinXP Pro (32b), Catalyst 8.12, all machines are using the same app_info file...


<app_info>
<app>
<name>milkyway</name>
</app>
<file_info>
<name>astronomy_0.20b_ATI_SSE2_amd.exe</name>
<executable/>
</file_info>
<file_info>
<name>brook32.dll</name>
<executable/>
</file_info>

<app_version>
<app_name>milkyway</app_name>
<version_num>20</version_num>
<flops>1.0e11</flops>
<avg_ncpus>0.05</avg_ncpus>
<max_ncpus>1</max_ncpus>
<coproc>
<type>ATI</type>
<count>1</count>
</coproc>
<cmdline>w0.9</cmdline>
<file_ref>
<file_name>astronomy_0.20b_ATI_SSE2_amd.exe</file_name>
<main_program/>
</file_ref>
<file_ref>
<file_name>brook32.dll</file_name>
</file_ref>
</app_version>

</app_info>


I think the only change I made was setting the "w0.9", I have no problems getting/requesting work, every minute or two it asks and receives work.

My computers.

I hope this helps someone!!!


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Message 35784 - Posted: 18 Jan 2010, 18:04:24 UTC - in response to Message 35781.
Last modified: 18 Jan 2010, 18:12:57 UTC

I know now what's causing the problems. It's NOT anonymous platform!


The scheduler can't handle <count>0.5</count> in the coproc section

This one works:
<coproc>
<type>ATI</type>
<count>1</count>
</coproc>

This one will get you the "no work send" message!

<coproc>
<type>ATI</type>
<count>0.5</count>
</coproc>

The bug is somewhere in sched_send.cpp and is related to the changeset 19529
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Message 35785 - Posted: 18 Jan 2010, 18:25:32 UTC - in response to Message 35784.

Yay, it's working - thank you very much.

That was one of the only differences between my Milkyway and Collatz setup (the only one I didn't change because I never suspected it). I've disabled the fractional GPU jobs on Milkyway (coproc_count=1) for the time being. Now everything is working like it used to be.
I guess we'll have to wait until it's fixed by the BOINC devs in the next server version.
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Message 35786 - Posted: 18 Jan 2010, 19:00:54 UTC - in response to Message 35785.
Last modified: 18 Jan 2010, 19:29:45 UTC


I guess we'll have to wait until it's fixed by the BOINC devs in the next server version.


Fix -> http://boinc.berkeley.edu/trac/changeset/20189
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Message 35791 - Posted: 18 Jan 2010, 19:50:18 UTC - in response to Message 35785.

I have found that my RAC stays the same no matter how many I do at a time.

1 at a time is fine as that was what I was doing anyway, I was just leaving a little room in case I wanted to do some ATI AP work.
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Message 35803 - Posted: 18 Jan 2010, 22:36:39 UTC
Last modified: 18 Jan 2010, 22:37:06 UTC

Excellent. Thanks very much for finding out what was causing it.

I couldn't work out why it was affecting me and some others but not everyone.
I don't run 2 tasks concurrently for the extra credit but mainly for the more even loading on the GPU. Stops the fan slowing down and speeding up too. I was only running one task concurrently until the shorter tasks were reintroduced. The shortest ones take about 13.7 seconds on my 5870 and I prefer the the GPU load not going up and down so often.

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Message 35819 - Posted: 19 Jan 2010, 5:23:23 UTC - in response to Message 35803.

I updated with Dave Anderson's fix for this. Let me know if it works ;)
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