Posts by crandles

61) Questions and Answers : Wish list : Automatic upload acknowledgement? (Message 18832) Posted 29 Dec 2005 by crandles Post: >no longer any trace I was able to find these graphs <a href=\"http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?field=Temperature&resultid=1186897&phase=AT#graph\">result1186897</a> by digging down to results (quickest way via your account in left menu) then clicking on result id 1186897, then click on one of the links for temperature or precipitation graphs. Hopefully you will find that to be an even \'more effective positive feedback\' to see what your model has done. (There are of course other way of seing what your model is doing/has done with other visualisation packages like MartinSykes CPView.)
62) Message boards : Number crunching : slab / sulphur models, and where we are heading (Message 18799) Posted 28 Dec 2005 by crandles Post: Yes thanks for the updates Carl. Also very sorry about my post which was billed as adding confusion but was actually just full of misinformation.
63) Message boards : Number crunching : slab / sulphur models, and where we are heading (Message 18775) Posted 27 Dec 2005 by crandles Post: I was hoping that Boinc was going to be used in the next stages as it is now becoming stable with 5.2.13 (4.xxx was not great) Plus you can update us to your newest version with out another CD being released. (Unless it is going to be an iso ready for download (-: ) I am sure it is going to be BOINC.
64) Message boards : Number crunching : slab / sulphur models, and where we are heading (Message 18773) Posted 27 Dec 2005 by crandles Post: > Hey Les. Is it known how much disk space the next experiment will require? Not by me. I\'ve posted just about everything I\'ve come across, except for the BBC project, due to launch in January. Which is apparently something to do with putting very stable software on cd, for distribution to the public. However, I was looking at the Climate Science pages, and in one place it says: \"We will start a bunch of experiments in 1950 and force them with historical data for fifty years.\" As the spinup is one long run of 200 years, with 52K trickles every model month, it occured to me that perhaps this is what is inferred in the above quote, but for 50 years. Just thought: I\'ve just gone past 50 years in spinup, so have a look at hd. Not much space used; 165Megs, according to ZtreeWin. And Carl says on the beta site that a few hundred Megs is enough. But you need to send about 1meg of data per day. I guess this will change when it goes live, with people switching between lots of projects. But it is heavy on frequent trickles, so for people with dialup, these will accumulate until the next contact. So, slower computers may be back in business. All of which is speculation. I think the main problem will be the same as now: you MUST have a stable computer. Not sure whether this will just add more confusion but anyway: The current coupled spinup doesn\'t use much hard disk space. However I don\'t think they need a detailed history and lots of files are deleted (this has caused a problem or two in getting the code stable). They will need a detailed history for the 50 year hindcast. Sulphur is 5*15 years =75 years. Hindcast is only 50 years but will also have to store data for the ocean. So the hard disk space will definitely be at least 2/3rds of sulphur hard disk space. I doubt it would be more than double the hard disk space and my assessment is more likely than not to be less than 50% more than sulphur. Unfortunately there is some possibly bad news on the length of runs: This stems from the point that the next step isn\'t the hindcast, there is a transient spinup to do between the spinup and the hindcast. If the detailed history is not required, like for the spinup, then the HD requirement shouldn\'t be too onerous 300MB ish perhaps. My knowledge of the transient spinup is very incomplete and dodgy. I am unsure if the 4.11 spinup runs are alpha/beta tests of the transient spinups. If so, I think this implies the transient spinups are also 200 model years and they will be very long like the current spinups. If 4.11 spinup runs are not alpha/beta tests of transient runs then I have no idea of length. I think the late Jan/Feb launch is a public release of the transient spinup. However I am unsure, so please don\'t critisize me too heavily if I have got this wrong. (Also hope I am allowed to be saying these things.) If Les and I are confused/disagree then sorry about this. I did say this post might just add confusion.
65) Questions and Answers : Windows : can\'t get it to run, after too many hours (Message 18711) Posted 24 Dec 2005 by crandles Post: It shouldn\'t be anything to do with BOINC as all communication should be initiated from your computer. Sorry the FAQ is out of date. The programs that should have access unblocked are boincmgr.exe and boinc.exe. The FAQ on Wiki is usually more up-to-date. <a href=\"http://boinc-doc.net/boinc-wiki/index.php?title=Installing_The_BOINC_Client_Software_on_Microsoft_Windows%C2%AE\">Wiki installing BOINC</a> See the Grant_Permission_For_The_BOINC_Client_Software_to_Access_The_Internet section. I say usually because I have only just updated the <a href=\"http://boinc-doc.net/boinc-wiki/index.php?title=Climateprediction_FAQ\">Wiki CPDN FAQ</a> :oops Anyone is welcome to let me know if you see other things needing updates on the Wiki. Having said this, I doubt that firewall access is the problem in this case or the server would not know the length of time before the WU crashed. Not sure if this will help, but can I just suggest a reboot of your computer, connect to the internet and do a project update then post the messages you get in the message tab here. HTH
66) Questions and Answers : Preferences : Resuming same project after crash (Message 18421) Posted 19 Dec 2005 by crandles Post: A complete backup isn\'t quite the only way to recover but what you do need is some information from an xml file (client_state.xml or client_state_prev.xml I think) about the old run. If BOINC has started and stopped too many times since the crash this information is lost and the directory from the crashed run is not enough to get it started again. I don\'t know the full details of doing this, but if you can save a copy of the xml with the information then do post again and hopefully someone who does know the details may be able to help. If it cannot be restarted the lack of trickles will eventually cause it to be automatically noted that no result will be forthcoming. Sorry if this isn\'t an answer you wanted to hear.
67) Message boards : climateprediction.net Science : Bad Work Units (Message 18151) Posted 13 Dec 2005 by crandles Post: Thanks Duncan, Yes, I am also sure there are more people who would be interested.
68) Questions and Answers : Windows : My account shows \'client error\' for many trickles (Message 18149) Posted 13 Dec 2005 by crandles Post: I found 3 models ending in a -5. Your sulphur WU ended with different messages Exit status -187 and Output file error: -1. -5 is a catch all for computation error. When these occur frequently the usual suggestion is to try some stability tests like prime95, superpi and memtest86. However it is unusual to see such errors occuring as infrequently as 3million seconds apart. If you get 2 or 3 trickles, you are highly likely to be ok. If the errors are that rare, you are unlikely to catch one with such stability checking programs. Most of your work has been on 1 model and you did complete 2 and a half phases. I think this is enough to suggest it was developing a cold equator and for most purposes would not have been regarded as useful, therefore to some extent, I could suggest that it saved some effort completing the run and was therefore a good idea for it to be aborted. Still you wouldn\'t want that to happen if the model might be a useful one. If you are dedicated, you may want to take backups of the BOINC folder from time to time, so if it crashes you can restore a version from before the crash. If you are not that dedicated, I would continue with your current sulphur model as you have only had one sulphur model crash to see if that suffers the same fate. My only other suggestions are to monitor your cpu temperature and perhaps clear out any dust/fluff that might be blocking air flow. HTH
69) Questions and Answers : Windows : Confused Accounts (Message 18146) Posted 13 Dec 2005 by crandles Post: There has been a change in the way to attach to a project. Unfortunately, the instructions haven\'t caught up yet. You need to go to your account (in left menu) and \'Change password\'. Then use this new password when attaching to the project. HTH
70) Questions and Answers : Windows : Sulphur model - weak performance (Message 17880) Posted 7 Dec 2005 by crandles Post: One is a slab model and the other is a sulphur model. See <a href=\"http://boinc-doc.net/boinc-wiki/index.php?title=Sulphur_Cycle\">wiki</a> which explains timesteps take about 70% longer because the model is doing more calculations related to sulphur. This 70% figure can vary a bit from computer to computer but 1.8 to 3.8 is a bit too much of a slow down. However, looking at your trickles 1.92 to 3.75 is more like what it should be though still a little high. The model is also 5 phases rather than 3 so the time to completion goes up by much more than 70%. HTH
71) Questions and Answers : Wish list : seti driver (Message 17867) Posted 7 Dec 2005 by crandles Post: The -161 error you are getting is not unknown. For example <a href=\"http://climateapps2.oucs.ox.ac.uk/cpdnboinc/forum_thread.php?id=3577\">this thread</a> offers a little bit of explanation where AstroWX says Don\'t know specifically what causes it but it seems something is trashed in your client_state.xml file. But that probably won\'t help \'a technophobe\'. The answer for a technophobe would probably start by explaining how to detatch and reattach to the project. However the 3 identities makes me wonder if you have already tried that. If you are less of a technophobe than you claim, it may be worth opening your client_state.xml file and seeing if there is anything obviously wrong. It may be possible to replace that file with something that may get things working again. I\'ll go and see if I can figure out what. If someone else knows feel free to butt in. Edit: Oops didn\'t notice your operating system. Afraid geophi is correct so ignor what I said.
72) Questions and Answers : Windows : not making progress in the sulphur model (Message 17827) Posted 7 Dec 2005 by crandles Post: When I click on your name then try to see your computers, I don\'t see any. I don\'t really understand that as you clearly do have a computer attached and it certainly sounds like you have successfully downloaded a sulphur WU. On your hard disk can you find a directory for the sulphur WU name? If so is there a dataout directory? Are there lots of files in there? If there are lots of files, make a backup of the boinc directory before detatching and reattaching to climateprediction.net. Otherwise just detatch and reattach. Let us know when you have tried this and whether it has helped.
73) Questions and Answers : Windows : Too many MegaBytes (Message 17805) Posted 6 Dec 2005 by crandles Post: You could also have feedback when it is occurring, something like \"Recording images...\" so people wouldn\'t forget that was on. Of course one would then have \"Recording images\" on their captured files, which might confuse them during playback!? It\'s tough to win in this circumstance... The ideal solution to this is when recording to make the window bigger for an extra line at the bottom saying \"Recording images\" but only record the images in the window excluding that line. Alternatively when playing back overwrite it a message saying \"Playing recorded images\". I agree about steering people to the Wiki (well I would wouldn\'t I). It shouldn\'t be too much trouble to head up the FAQ page with a message to the effect. Some participants are writing a Wiki. As this is editable by participants it is often more up to date than this page. Therefore you may prefer to look at <a href=\"http://boinc-doc.net/boinc-wiki/index.php?title=Climateprediction_FAQ\">the Wiki version</a>.
74) Message boards : Number crunching : new release (Message 17377) Posted 24 Nov 2005 by crandles Post: Great news, Tolu thank you. Is 4.14 for slab? So people with models that are less than 5% complete may want to consider suspending their model, get a new one and check the speed. If it is more than 5% faster, is it appropriate to abort the old slow one? There is a possibility of converting a run from 4.13 to 4.14 but it sounds a bit complicated to me. Any thoughts on whether this should be considered or avoided? I suspect AMD processors will see more of a speed up than intel processors. Finally, I suggest that people that have had problems running BOINC CPDN may want to try again now. This might be worth having a news items.
75) Questions and Answers : Windows : Visual fortran run-time error (Message 17324) Posted 23 Nov 2005 by crandles Post: (As there is no significant work to be lost.) I think you should try a project reset. If that doesn\'t get anywhere then dettach climateprediction.net and reattach. HTH
76) Message boards : Number crunching : Lost credit in our team total (Message 17229) Posted 17 Nov 2005 by crandles Post: My initial thought is that someone left your team. In most BOINC projects it doesn\'t work like that but it does here at CPDN. Who was your top ranked team member?
77) Questions and Answers : Windows : Transferring a Saved Boinc folder to a new computer (Message 17211) Posted 15 Nov 2005 by crandles Post: Can you copy it again from the old computer? Also how did you copy it? If it involved a CD, you might need to reset the files from being read only.
78) Message boards : Number crunching : Cancelling work units. (Message 17188) Posted 14 Nov 2005 by crandles Post: Don\'t worry, it will be picked up automatically.
79) Questions and Answers : Windows : Can I restart incomplete WU\'s? (Message 17186) Posted 14 Nov 2005 by crandles Post: <a href=\"http://boinc-doc.net/boinc-wiki/index.php?title=Backup_BOINC\">WIKI Backup_BOINC</a> has some suggestions. Further discussion on <a href=\"http://climateapps2.oucs.ox.ac.uk/cpdnboinc/forum_thread.php?id=3268\">this thread</a> Edit: Oops Les beat me to it.
80) Message boards : Number crunching : Zip files (Message 17175) Posted 14 Nov 2005 by crandles Post: I think it is only the first that is 8MB the others are all about 2.4MB.

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