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Trickle model dates for coupled model

Trickle model dates for coupled model

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Profile old_user96693

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Message 21769 - Posted: 1 Apr 2006, 9:27:55 UTC

Hi Guys
Just working on the first two coupled models and I was wondering on what dates do the trickles occur.

Slab and Sulpher were every 10,802 time steps. Is it the same with the new models?

Thanks
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Profile MikeMarsUK
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Message 21774 - Posted: 1 Apr 2006, 13:37:04 UTC

It\'s once per model year, which in the coupled model is 26,920 timesteps (72 timesteps per day)
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Message 21782 - Posted: 1 Apr 2006, 15:38:54 UTC - in response to Message 21774.  

It\'s once per model year, which in the coupled model is 26,920 timesteps (72 timesteps per day)


Thanks Mike
It would be nice if they put the timestep in the graphic lie for the slab and sulpher models.
But we can\'t have everthing right :)
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Profile geophi
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Message 21784 - Posted: 1 Apr 2006, 15:44:38 UTC

The timestep should be in the graphic. If not press \"Z\" to hide the side panel, and it give you more information like in the previous climateprediction.net models. Also, the trickle is uploaded at 0030 GMT on December 1st of each model year.
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Dotsch
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Message 22511 - Posted: 30 Apr 2006, 18:04:11 UTC - in response to Message 21774.  

It\'s once per model year, which in the coupled model is 26,920 timesteps (72 timesteps per day)

Now I am a little bit confused about the trickeling...
I am computing the coupled model (hadcm3lb 5.08) and it have computed about 1,5 years of the model time and get not any trickle jet.
If I look at the screensaver, it show my about 6000 timesteps per model year and about 4147560 timesteps for the complete model.


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Message 22512 - Posted: 30 Apr 2006, 18:36:42 UTC - in response to Message 22511.  
Last modified: 30 Apr 2006, 18:52:20 UTC

It\'s once per model year, which in the coupled model is 26,920 timesteps (72 timesteps per day)

Now I am a little bit confused about the trickeling...
I am computing the coupled model (hadcm3lb 5.08) and it have computed about 1,5 years of the model time and get not any trickle jet.
If I look at the screensaver, it show my about 6000 timesteps per model year and about 4147560 timesteps for the complete model.

I don\'t understand the number for Time Steps at 1.5 years into the Run but the total for a complete Model is correct.

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Les Bayliss
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Message 22514 - Posted: 30 Apr 2006, 21:13:27 UTC

Dotsch

Does your model say \"running\" under Status?

If you right-click on the \'B\' icon in the bottom right corner of your screen, does it say \"Network activity suspended\", or one of the others?

Among the messages in the Messages tab, are there lines about contacting the server, followed 3 lines later by a line ending in \"succeded\"?

************
Such as these:
Sending scheduler request to http://climateapps3.atm.ox.ac.uk/hadam3_cgi/cgi
Reason: To send trickle-up message
Note: not requesting new work or reporting results
Scheduler request to http://climateapps3.atm.ox.ac.uk/hadam3_cgi/cgi succeeded
************


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Message 22516 - Posted: 30 Apr 2006, 21:36:33 UTC - in response to Message 22514.  
Last modified: 30 Apr 2006, 22:01:39 UTC

Does your model say \"running\" under Status?

If you right-click on the \'B\' icon in the bottom right corner of your screen, does it say \"Network activity suspended\", or one of the others?

My model is running.
The network is set to always available. But the system is behind a router in a LAN, and the router is not always online.


Among the messages in the Messages tab, are there lines about contacting the server, followed 3 lines later by a line ending in \"succeded\"?

************
Such as these:
Sending scheduler request to http://climateapps3.atm.ox.ac.uk/hadam3_cgi/cgi
Reason: To send trickle-up message
Note: not requesting new work or reporting results
Scheduler request to http://climateapps3.atm.ox.ac.uk/hadam3_cgi/cgi succeeded
************

Searched around in the stderrror and stdout files, and found no errors, or trickle requests. Only one trickle failure - but this was some seconds, before the actual model was downloaded.
Btw. is the trickle a RPC to the scheduler, or a normal transfer like a WU or a result which is shown in the transfers tab of the boinc manager ?
Is it posible to retricker the trickle manualy ?

In the moment my model is on 25/05/1921 00:30 with 12529 of 4147560 timesteps, progress at 0.30 %.
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Message 22529 - Posted: 1 May 2006, 13:35:33 UTC - in response to Message 22516.  


In the moment my model is on 25/05/1921 00:30 with 12529 of 4147560 timesteps, progress at 0.30 %.


Trickles occur on the 1/12/ of model year. I\'m sure someone will correct me if this is wrong, but I think it is at the end of the day rather than the start.

This is ever 0.625% of the model.
Therefore from your status you are currently 1/2 way to your first trickle.

Don\'t worry to much about this at the moment, just keep working away.

P.S Also don\'t worry if you get credit for your trickle straight away after sending it up.
The server suite at CPDN has been upgraded recently and is currently a little slow working through the backlog of trickles. Project staff have said that the situation will fix itself over the next week as the server catch up.
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Message 22530 - Posted: 1 May 2006, 13:48:54 UTC - in response to Message 22529.  

Trickles occur on the 1/12/ of model year. I\'m sure someone will correct me if this is wrong, but I think it is at the end of the day rather than the start.

This is ever 0.625% of the model.
Therefore from your status you are currently 1/2 way to your first trickle.

Hm, but my model has now at about 1 1/2 years computed and is at 0.30 %. So my model should had trickled one times.
So I am a little bit confused about the informations in the screensaver. My model shows about 8300 TS per model year. And it is after 1.5 years at 0.30 % with 12500 TS.
With your calculations my model should be at 0.9 % at 1.5 years and trickled one time.



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Message 22532 - Posted: 1 May 2006, 14:08:32 UTC

Remember that the models actually start from end 1920/start 1921.
So your model has crunched for about 6 months. Your first trickle should be on the 1/12/1921.

I think this confusion is from the stated run times. ie model run from 1920 for 160 years to 2080.
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Les Bayliss
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Message 22535 - Posted: 1 May 2006, 14:59:50 UTC

But the system is behind a router in a LAN, and the router is not always online.

How do you attempt to contact the server?
Connect your router, then click Update?

Trickles don\'t show up in the Transfers tab. And the trickle_up_..... files will accumulate in the folder of the model. (Under the climateprediction.net folder)

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Message 22629 - Posted: 5 May 2006, 13:45:47 UTC - in response to Message 21784.  

The timestep should be in the graphic. If not press \"Z\" to hide the side panel, and it give you more information like in the previous climateprediction.net models. Also, the trickle is uploaded at 0030 GMT on December 1st of each model year.


I ment to say \"thanks for that\" earlier, but I a couple of PC\'s melt down.




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Message 22643 - Posted: 6 May 2006, 4:20:03 UTC - in response to Message 22629.  

The timestep should be in the graphic. If not press \"Z\" to hide the side panel, and it give you more information like in the previous climateprediction.net models. Also, the trickle is uploaded at 0030 GMT on December 1st of each model year.
If you press 8 after the Z you will see the next checkpoint. When this counts down to zero it writes from memory to your hard disc. This is the best time to exit your model (for backup etc) since at any other point if you clear your memory, eg when restarting your PC, you will lose a little crunch and have to redo that little on resume.


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Martin P.

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Message 22718 - Posted: 11 May 2006, 15:57:16 UTC
Last modified: 11 May 2006, 15:58:18 UTC

Thanks for all that valuable information!

One more question: Where can I see the trickles in the coupled model? It used to be available when I clicked the Result ID but with the coupled model I only receive a lot of data (that I don\'t understand) but no trickle information! How much credit is granted for each trickle?
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Message 22719 - Posted: 11 May 2006, 16:52:58 UTC - in response to Message 22718.  

Thanks for all that valuable information!

One more question: Where can I see the trickles in the coupled model?


Les once wrote:

When you go to the model page, you need to fiddle with the url window on the browser. Replace show_host_detail with result
Then you can see the old style results page.


So, for instance, one of your model then has the url http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=5430459 instead of http://climateapps2.oucs.ox.ac.uk/cpdnboinc/graph_cm3.php?resultid=5430459

I think this information is quite valuable... (at least for me) ;-)
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Message 22720 - Posted: 11 May 2006, 16:58:10 UTC - in response to Message 22719.  

By the way: I see you don\'t have any trickles so far. This might be up to your model (it simple didn\'t trickle). I hope everything is o.k.

By the way II: I see we are in the same team ;-) Olles Guate weiterhin! (schlechtes Steirisch...)
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[B^S] mavau

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Message 22721 - Posted: 11 May 2006, 18:56:55 UTC - in response to Message 22719.  

Anybody knows a similar trick for host results? It used to appear at the bottom of the page. Useful with concurrent models. And what about user with different computers?

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Message 22722 - Posted: 11 May 2006, 19:17:43 UTC

They\'re no longer shown for host results. Carl removed them from here some time ago to relieve the load on the server. They might be back when the new trickle server gets installed, but I think that the staff level is currently one. :(
(This will be the moving object buried under the pile of paper work which says: List of things to do urgently.)


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Martin P.

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Message 22726 - Posted: 12 May 2006, 9:42:15 UTC - in response to Message 22719.  
Last modified: 12 May 2006, 9:43:38 UTC

Thanks for all that valuable information!

One more question: Where can I see the trickles in the coupled model?


Les once wrote:

When you go to the model page, you need to fiddle with the url window on the browser. Replace show_host_detail with result
Then you can see the old style results page.


So, for instance, one of your model then has the url http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=5430459 instead of http://climateapps2.oucs.ox.ac.uk/cpdnboinc/graph_cm3.php?resultid=5430459

I think this information is quite valuable... (at least for me) ;-)


Herzlichen Dank! Das war wirklich sehr hilfreich. Schade nur, dass das so kompliziert sein muss ...
Das ist ein neuer Computer, deshalb hat er noch nicht \"ge-trickelt\". Müsste aber am Montag so weit sein und ich wollte sehen, wieviel Credits man für diese großen trickles erhält.

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Message boards : Number crunching : Trickle model dates for coupled model

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