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Number crunching :
Return of the AM3Ps
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Author | Message |
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Send message Joined: 31 Dec 07 Posts: 1152 Credit: 22,363,583 RAC: 5,022 |
Hi, Everyone: I was just wondering. Now that the AM3P WU’s are back does this mean the return of the ridiculously inflated RAC’s or have they fixed that problem? |
Send message Joined: 2 Mar 06 Posts: 253 Credit: 363,646 RAC: 0 |
Unfortunately not - these are part of the same batch as before that have been turned on again to finish them off. I don\'t expect there to be any more of this particular type (though there may well be other versions of HadAM3P) once this lot have finished. |
Send message Joined: 31 Dec 07 Posts: 1152 Credit: 22,363,583 RAC: 5,022 |
Hi, Everyone: I see that the “results ready to send†counter for the Hadam3p’s is again at 0. Does anyone know whether the this permanent or if there will be a new batch soon? |
Send message Joined: 5 Sep 04 Posts: 7629 Credit: 24,240,330 RAC: 0 |
I think that these models are now \"on demand\"; i.e. when the climate physicists need/want them. |
Send message Joined: 1 Jan 07 Posts: 1061 Credit: 36,668,475 RAC: 13,460 |
Since you\'ve re-activated an old thread, where the question (and official project answer) were about \"ridiculously inflated RAC\", it might be worth pointing out that Milo has corrected the AMP3 RAC issue since then and it should now be the same as other models - just in case people (like me) who haven\'t had enough coffee this morning don\'t notice the November 2009 date at first reading! |
Send message Joined: 2 Mar 06 Posts: 253 Credit: 363,646 RAC: 0 |
I think that these models are now \"on demand\"; i.e. when the climate physicists need/want them. That\'s right. I understand that the physicists looking at these are satisfied for the moment, but if they decide that they need any more we will activate them again. |
Send message Joined: 19 Aug 05 Posts: 104 Credit: 1,866,495 RAC: 0 |
I returned a little late for them,but had one completed. Ran fast, only three days to finish. Hope that they need more of them soon. Back to running the slab models again. Keep on crunching Pizza@Home |
Send message Joined: 5 Feb 05 Posts: 17 Credit: 1,582,791 RAC: 0 |
I hope the Slab Models won\'t be the only available type for long. One of my computers isn\'t able to display the graphics (lacks OpenGL support). Which means for SM tasks I have to repeatedly check the last trickles to detect if it\'s a possible \"iceworld\" (unfortunately I haven\'t found a better solution yet). With the HADAM3P this was not necessary :) |
Send message Joined: 29 Sep 04 Posts: 2363 Credit: 14,611,758 RAC: 0 |
The next new model type to be released will probably be FAMOUS for the Millennium experiment. It\'s still throwing up errors in beta testing but Tolu\'s working very hard indeed to get it to run properly and Hiro, whose experiment it is, is helping. It\'s very different from other model types. When it\'s released there may be a choice of model length. Cpdn news |
Send message Joined: 4 Oct 09 Posts: 73 Credit: 7,242,427 RAC: 0 |
The next new model type to be released will probably be FAMOUS for the Millennium experiment. It\'s still throwing up errors in beta testing but Tolu\'s working very hard indeed to get it to run properly and Hiro, whose experiment it is, is helping. It\'s very different from other model types. When it\'s released there may be a choice of model length. That would be good if we can choose model length. Interesting article here about the experiment - http://climateprediction.net/content/millennium-experiment-famous saying that the full 1200 years can take about same CPU time as 160 year CM3 models - e.g. a 200 year segment may be equivalent to a mid-hol (about 18 cpu days with my stock Q6600)? My bet is April for release. Bring them on! :) |
Send message Joined: 5 Feb 05 Posts: 17 Credit: 1,582,791 RAC: 0 |
I\'ve already been following the beta forums for a few months. I hope they\'ll be able to track the remaining errors down. Variable model length isn\'t really an issue for me but it will probably make a lot of people happy ;) |
Send message Joined: 12 Feb 08 Posts: 66 Credit: 4,877,652 RAC: 0 |
Is the new Millenium model multithreaded? The old HadCM3 took three months. It would be nice if a quad core could do the same in three weeks. |
Send message Joined: 7 Aug 04 Posts: 2184 Credit: 64,822,615 RAC: 5,275 |
Is the new Millenium model multithreaded? The old HadCM3 took three months. It would be nice if a quad core could do the same in three weeks. It\'s been worked on, but I don\'t think the initial release will have that capability. At least it\'s not in the beta testing we are doing. It\'s interesting though that running 4 on a quad is about as fast as running 1, i.e. there is very little degradation in speed in running multiple FAMOUS models. This is unlike hadcm3, and very unlike hadam3/hadam3p. |
Send message Joined: 5 Aug 04 Posts: 1496 Credit: 95,522,203 RAC: 0 |
I hope the Slab Models won\'t be the only available type for long. For what it\'s worth, my friend records the \'% completed,\' from the boinc Manager, daily, in a spiral notebook. That makes a blue world easy to spot. If you can see the Manager, it might work for you. (She doesn\'t spend much time with it -- and she runs two Quads exclusively for CPDN.) Re. FAMOUS\' run times: My Q6600s, in Vista_x64 and W7_x64, have estimates for 200-year Runs of 125-128 hours. Q9550 in Vista_x64, ~98 hours, ~99 hours in XP_x64. All machines running at stock speed. "We have met the enemy and he is us." -- Pogo Greetings from coastal Washington state, the scenic US Pacific Northwest. |
Send message Joined: 31 Dec 07 Posts: 1152 Credit: 22,363,583 RAC: 5,022 |
I would definitely like a model type were I could control the length. The 1200 year Millennium model intrigues me no end, but, I am not sure that I would like to try running 2 of them together on the same machine at once. I also don’t think that my slower machine would be suitable for one of those. On that machine (Core2Duo 1.5 GHz with 2 GBs of RAM) it could take 9 months to a year to finish. That is a very long haul. I’ve done it a couple of times with CMs, but, it is a strain. The 200 year segments should be fine. I have run several MH models to completion on this machine so a model that takes about the same time should finish in 21 to 30 days. |
Send message Joined: 5 Sep 04 Posts: 7629 Credit: 24,240,330 RAC: 0 |
The graphics are rather hypnotic. In the Wall Map view, the weather just races across the screen. My 2 quads are running 4 at a time with no problems. Trickles every 40 minutes, zips every 7+ hours. All of which could change several times before release. Backups: Here |
Send message Joined: 5 Feb 05 Posts: 17 Credit: 1,582,791 RAC: 0 |
For what it\'s worth, my friend records the \'% completed,\' from the boinc Manager, daily, in a spiral notebook. That makes a blue world easy to spot. If you can see the Manager, it might work for you. (She doesn\'t spend much time with it -- and she runs two Quads exclusively for CPDN.) Good idea, thanks. Maybe I\'ll write a small app that does that for me, so that I can just have a look at the daily records from time to time. |
Send message Joined: 21 Jun 06 Posts: 26 Credit: 8,397,236 RAC: 0 |
Hi, Somebody better look in the cupboards for some more of the models we have been doing or speed up the outlay of the FAMOUS ones as theres only about a week of them left ! Ian ----> Please Join team Scotland HERE |
Send message Joined: 4 Oct 09 Posts: 73 Credit: 7,242,427 RAC: 0 |
Spotted a few new AM3P\'s a short time ago. Got a batch of 4 but 3 failed due to one file not being found on the server. Example of message - \"Giving up on download of hadam3p_mmk2_1966_2_006131068.zip\" Started the only one which downloaded successfully. It\'s running ok. |
Send message Joined: 2 Mar 06 Posts: 253 Credit: 363,646 RAC: 0 |
Spotted a few new AM3P\'s a short time ago. Got a batch of 4 but 3 failed due to one file not being found on the server. I\'ve re-activated some of the ones for which we haven\'t had enough data returned, and depending on how it goes I may do some more later. Thanks for the file info. I will investigate. |
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