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David Cameron
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Message 28960 - Posted: 23 Feb 2017, 14:48:07 UTC

We are now submitting real ATLAS tasks instead of the same test task over and over again.

These are from the same pool of tasks that are sent to the ATLAS@Home project and the results will be really used!

There will be a constant stream of tasks, which I will increase gradually. At some point we will ask people to move from ATLAS@Home to here and stop sending new tasks to ATLAS@Home.

Happy crunching!
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Message 28975 - Posted: 27 Feb 2017, 8:31:55 UTC - in response to Message 28960.  

This is great news!

Unfortunately I was not able to get any tasks the last couple of days. Have you already increased the stream of tasks? If not, when are you planning to do so? Because for me its nearly impossible to get some ATLAS tasks here. Also server status show 0 unsent tasks pretty much 24/7 for ATLAS.
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Message 28976 - Posted: 27 Feb 2017, 10:26:55 UTC - in response to Message 28975.  

I've increased the rate of tasks. Unfortunately the task submission got broken over the weekend so that's why nothing was available but it's fixed now.
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Message 28992 - Posted: 28 Feb 2017, 22:07:37 UTC

It looks like no tasks are available at the moment.

Thanks.
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Bob P.
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Message 28999 - Posted: 1 Mar 2017, 18:18:11 UTC - in response to Message 28976.  

I've increased the rate of tasks. Unfortunately the task submission got broken over the weekend so that's why nothing was available but it's fixed now.

HM, at the moment, again 0 tasks are available ...


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Message 29017 - Posted: 2 Mar 2017, 18:16:15 UTC

What kind of Limitations for WUs is established ?

There are 300 WUs in the Server-Queue but my Client can only download 2 WUs, then I get:

02/03/2017 19:12:16 | LHC@home | No tasks are available for ATLAS Simulation


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Message 29019 - Posted: 2 Mar 2017, 18:38:45 UTC - in response to Message 29017.  

What kind of Limitations for WUs is established ?

There are 300 WUs in the Server-Queue but my Client can only download 2 WUs, then I get:

02/03/2017 19:12:16 | LHC@home | No tasks are available for ATLAS Simulation

HM, I switched Max_Number_of_Jobs from No-Limit to 10 and now I got 10 WUs


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Message 29037 - Posted: 3 Mar 2017, 10:43:53 UTC - in response to Message 29019.  
Last modified: 3 Mar 2017, 10:46:18 UTC

I think we might be affected by the huge sixtrack queue again. The default number of jobs to download if you have no limit is 1 per CPU.

EDIT: I see from the other thread you have

<project_max_concurrent>2</project_max_concurrent>


which I suppose gives you 2 WU if you have no limit on the project preferences.
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Message 29038 - Posted: 3 Mar 2017, 10:46:14 UTC - in response to Message 29037.  

I think we might be affected by the huge sixtrack queue again. The default number of jobs to download if you have no limit is 1 per CPU.

So far all is working fine, since I changed my settings as described below.

Actual I'm switching my clients over to LHC and they all got work immediatly and with no delay. All seems to be fine (knock on wood, knock on wood, knock on wood)


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Message 29041 - Posted: 3 Mar 2017, 11:44:25 UTC - in response to Message 29037.  

EDIT: I see from the other thread you have

<project_max_concurrent>2</project_max_concurrent>


which I suppose gives you 2 WU if you have no limit on the project preferences.

This setting is only client side. The server is not aware of it.
So you could set max # Jobs 4 in your project preferences, get 4 and
run max 2 locally and 2 "Ready to start".
With the 200MB ATLAS download file a new task could start immediately after one task has finished.
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Message 29043 - Posted: 3 Mar 2017, 12:52:10 UTC - in response to Message 29037.  
Last modified: 3 Mar 2017, 12:53:18 UTC

...The default number of jobs to download if you have no limit is 1 per CPU.


I am only getting work for my physical CPU's, not the hyperthreaded CPU's. Thus I am only able to run half the number of jobs that I did on Atlas@home. Is there a way to correct this so I can run all of my cores?

Thank you.
Regards,
Bob P.
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Message 29045 - Posted: 3 Mar 2017, 13:03:34 UTC - in response to Message 29043.  

I am only getting work for my physical CPU's, not the hyperthreaded CPU's. Thus I am only able to run half the number of jobs that I did on Atlas@home. Is there a way to correct this so I can run all of my cores?

Play a little bit with Max_Number_of_Jobs

I switched Max_Number_of_Jobs from No-Limit to 10 and now I got 10 WUs


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Message 29047 - Posted: 3 Mar 2017, 13:25:23 UTC - in response to Message 29045.  

I am only getting work for my physical CPU's, not the hyperthreaded CPU's. Thus I am only able to run half the number of jobs that I did on Atlas@home. Is there a way to correct this so I can run all of my cores?

Play a little bit with Max_Number_of_Jobs

I switched Max_Number_of_Jobs from No-Limit to 10 and now I got 10 WUs

Yeti, where do I find that setting? Thanks!
Regards,
Bob P.
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Message 29048 - Posted: 3 Mar 2017, 13:28:21 UTC - in response to Message 29047.  
Last modified: 3 Mar 2017, 13:28:37 UTC

Yeti, where do I find that setting? Thanks!

Go To:

https://lhcathome.cern.ch/lhcathome
"Your Account"
"LHC@Home settings"
choose the right one (home/Office/School or None) for your machine

change the setting


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Message 29049 - Posted: 3 Mar 2017, 13:54:58 UTC - in response to Message 29048.  

Thanks!
Regards,
Bob P.
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Message 29062 - Posted: 4 Mar 2017, 22:32:21 UTC

Almost out of work units! Thanks.
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Bob P.
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Message 29066 - Posted: 5 Mar 2017, 8:58:38 UTC
Last modified: 5 Mar 2017, 8:59:09 UTC

LHC Atlas is running double core on my oldest Linux box.Let'see if it can complete and validate like it does on my newer Windows 10 PC where all other LHC tasks except SixTrack fail miserably.
Tullio
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Message boards : ATLAS application : Real tasks now being submitted


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