AstroPulse errors - Reporting

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Profile dnolan
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Message 820578 - Posted: 19 Oct 2008, 17:53:59 UTC
Last modified: 19 Oct 2008, 17:54:59 UTC

I just noticed that an AP I'm paired up with, one other cruncher errored out early on the WU (mine is still pending) and got partial credit granted:
Over Client error Done 122,606.70 290.27 290.27

I wasn't aware that error results were getting credit granted, is this a change in policy?

-Dave

[edit] WU is Here
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Message 822341 - Posted: 23 Oct 2008, 20:33:21 UTC

I have noticed that none of my Mac clients are getting AP WUs, and these are by far the fastest clients I have.

Is this an AP WU deployment error?

My MUCH slower Windows-based clients are gettting AP WUs, and sometimes these will crunch for more than 100 hours on a single WU. Is this expected behavior? I thought that slower clients weren't supposed to get AP WUs.
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Message 822379 - Posted: 23 Oct 2008, 22:21:31 UTC

Macs don't get Astropulse automatically. You have to manually install the application and modify the app_info.xml file. See this thread.
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Message 822395 - Posted: 23 Oct 2008, 22:53:25 UTC - in response to Message 822379.  

Macs don't get Astropulse automatically. You have to manually install the application and modify the app_info.xml file. See this thread.


I thought that was only true if you are running an optimized application, regardless of platform. Macs (nor PCs) should have an app_info.xml file by default.
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Message 822405 - Posted: 23 Oct 2008, 23:18:49 UTC - in response to Message 822395.  

Macs don't get Astropulse automatically. You have to manually install the application and modify the app_info.xml file. See this thread.


I thought that was only true if you are running an optimized application, regardless of platform. Macs (nor PCs) should have an app_info.xml file by default.

IIRC, there is no official MAC O/S release of AstroPulse... So to run AP, you would have to use a custom build such as Dotsch's...

The only binaries that seem to live on "fanout" are for Win 32 bit and Linux 32/64 bit.
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Message 822422 - Posted: 24 Oct 2008, 0:05:03 UTC - in response to Message 822405.  

Macs don't get Astropulse automatically. You have to manually install the application and modify the app_info.xml file. See this thread.


I thought that was only true if you are running an optimized application, regardless of platform. Macs (nor PCs) should have an app_info.xml file by default.

IIRC, there is no official MAC O/S release of AstroPulse... So to run AP, you would have to use a custom build such as Dotsch's...

The only binaries that seem to live on "fanout" are for Win 32 bit and Linux 32/64 bit.


Ah. OK. It was the word 'modify' that made it sound like Macs would have one by default, as opposed to 'create'.
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Message 822452 - Posted: 24 Oct 2008, 1:09:00 UTC - in response to Message 822341.  

I have noticed that none of my Mac clients are getting AP WUs, and these are by far the fastest clients I have.

Is this an AP WU deployment error?

My MUCH slower Windows-based clients are gettting AP WUs, and sometimes these will crunch for more than 100 hours on a single WU. Is this expected behavior? I thought that slower clients weren't supposed to get AP WUs.


Crunch3r has just released an optimized SSE3 Mac AP app.

http://calbe.dw70.de/astrop/astropulse-4.28.i686-apple-darwin_sse3.zip

I have it installed, but it will be a couple of days before the 2 units I downloaded make it to the top of the list.

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Message 824658 - Posted: 29 Oct 2008, 18:20:42 UTC
Last modified: 29 Oct 2008, 19:04:11 UTC

I run performance monitor on my Quads It lets me check the CPU usage in real time. When observing AP work units a few times I will observe an erratic CPU usage showing wild swings in CPU loads and speeds. ESIT is disabled so the speeds should be constant. Normally the speeds and loads are constant at 100% and 3.86 gig.


Shut down and restating Boinc does not correct the problem and I have to abort the AP unit. In checking the wing-man's results I see that they will have errored out after completing the AP work unit. I have lucked out and observed the problem early in the crunching process. After aborting the erratic WU a new one starts without any problems and completes to success.

But what gives with the work units? Why are they failing?
Any ideas what performance monitor is indicating??

Here is a link to a set with myself and the wing man.
http://setiathome.berkeley.edu/workunit.php?wuid=349461703

This is my work unit in the grouping http://setiathome.berkeley.edu/result.php?resultid=1027661304
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Message 824747 - Posted: 30 Oct 2008, 0:22:07 UTC - in response to Message 824658.  
Last modified: 30 Oct 2008, 0:26:58 UTC

I run performance monitor on my Quads It lets me check the CPU usage in real time. When observing AP work units a few times I will observe an erratic CPU usage showing wild swings in CPU loads and speeds. ESIT is disabled so the speeds should be constant. Normally the speeds and loads are constant at 100% and 3.86 gig.


Shut down and restating Boinc does not correct the problem and I have to abort the AP unit. In checking the wing-man's results I see that they will have errored out after completing the AP work unit. I have lucked out and observed the problem early in the crunching process. After aborting the erratic WU a new one starts without any problems and completes to success.

But what gives with the work units? Why are they failing?
Any ideas what performance monitor is indicating??

Here is a link to a set with myself and the wing man.
http://setiathome.berkeley.edu/workunit.php?wuid=349461703

This is my work unit in the grouping http://setiathome.berkeley.edu/result.php?resultid=1027661304


Now that "0'd statefile" text in the stderr is a clue, and is part of stock code designed to try and track down an issue that seems to occur rarely (with both stock and optimised 4.35). The 'erratic CPU jumping' is the app code trying to wait for the statefile to recover, so is a stock induced symptom of the problem not a cause.

We have seen that occur only once during testing, and have been trying a fix in the optimised code. If yourself (Or anyone else reading this) comes across a WU that does that, please try and preserve the workunit by making a copy of it. (note that we'll need maybe a few of these WUs to completely verify if our fix attempts are working, but not heaps of them)
"Living by the wisdom of computer science doesn't sound so bad after all. And unlike most advice, it's backed up by proofs." -- Algorithms to live by: The computer science of human decisions.
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Message 824802 - Posted: 30 Oct 2008, 3:32:38 UTC - in response to Message 824747.  
Last modified: 30 Oct 2008, 3:37:28 UTC

Jason_gee thanks for the answer I have had EIGHT of them in a few days days All were from a contiguous download.

If this occurs again I will not abort it only suspend it and post it to the forum.

Thanks again.

Hank
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Message 826316 - Posted: 2 Nov 2008, 23:06:21 UTC

<core_client_version>6.2.18</core_client_version>
<![CDATA[
<stderr_txt>
In ap_gfx_main.cpp: in ap_graphics_init(): Starting client.
AstroPulse v. 4.35
FFTW USE_CONVERSION_OPT SPLIT_COMPLEX USE_SSE3
OSX 32bit FFTW/SSE3
In ap_gfx_main.cpp: in ap_graphics_init(): Starting client.
###Restarted at _some_ percent.
called boinc_finish

</stderr_txt>
]]>
Has ended with a client state of VALID, so, SATAN is not a happy cruncher at the minute.
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Message 826323 - Posted: 2 Nov 2008, 23:35:37 UTC - in response to Message 826316.  

Eric will probably fix that one as I saw no problems whatsoever, of course there is still a third computer in the mix as well.

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Message 826429 - Posted: 3 Nov 2008, 3:41:03 UTC - in response to Message 826323.  

Eric will not need to do anything. No canonical result has been chosen, so it was sent to a third host and when that result is received all three will be checked.
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Message 826495 - Posted: 3 Nov 2008, 11:12:21 UTC - in response to Message 826429.  

Cheers Josef.
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Message 826498 - Posted: 3 Nov 2008, 11:20:13 UTC

what is an astroplause WU, is this new type of data from aracebo??
i have an ap wu worth 144 hrs http://setiathome.berkeley.edu/workunit.php?wuid=358469828
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Message 826499 - Posted: 3 Nov 2008, 11:23:21 UTC - in response to Message 826498.  

what is an astroplause WU, is this new type of data from aracebo??
i have an ap wu worth 144 hrs http://setiathome.berkeley.edu/workunit.php?wuid=358469828

Astropulse FAQ
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Message 826502 - Posted: 3 Nov 2008, 11:37:00 UTC - in response to Message 826499.  

thank you
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Message 826994 - Posted: 4 Nov 2008, 14:17:16 UTC - in response to Message 818723.  

Further testing shows that my screen blanking not going blank was caused by an MRU (spyware) being posted every time I used Bill Gates Internet Explorer web browser. I can locate and remove this spyware using the AdAware free program. When I get one of these MRUs the screen turn off feature stops working. There is nothing wrong with the SETI software. Thanks.. Dr Gene Preston
Gene ... g.preston@ieee.org
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Message 830144 - Posted: 14 Nov 2008, 6:38:57 UTC

I am running the SSE3 optimized astropulse app on a Linux box. When it terminates successfully, no credit is given, even if a wingman has terminated successfully. The same day, the WU is sent to a third wingman and only if he is successful too the credit is given. Does this means the the astropulse quorum is three, or that the results of an optimized app on Linux and a standard app on Windows are somehow different? I see my wingman is using standard app from his stderr.txt file which is different from mine and more verbose,
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Message 830174 - Posted: 14 Nov 2008, 7:28:33 UTC

If that happens, it means that the results from the first two machines weren't similar enough to truly validate. Once the third machine returns a result, a canonical result will be chosen and credit will be given.

Happens all the time, and as long as you (eventually) receive credit for it, I wouldn't worry about it.
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Message boards : Number crunching : AstroPulse errors - Reporting


 
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