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Posts by Alan K

Posts by Alan K

1) Message boards : Number crunching : New work Discussion (Message 62786)
Posted 1 day ago by Profile Alan K
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I would have to resize my virtual memory for those then. Currently only 8GB.
2) Message boards : Number crunching : UK Met Office HadAM4 at N216 resolution (Message 62764)
Posted 17 days ago by Profile Alan K
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! got 1 from 843 as well after it had been dormant for a year - but it failed almost immediately with a REPLANCA error :((
3) Message boards : Number crunching : Updated BOINC Clients 7.16.11 - Windows 64-bit and Mac OS X (64-bit Intel) (Message 62717)
Posted 10 Sep 2020 by Profile Alan K
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And while weather rather than climate there is the Africa Rainfall Project with World Community Grid.


Doing this on both Win and Linux!
4) Questions and Answers : Windows : black screen (Message 62661)
Posted 16 Aug 2020 by Profile Alan K
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To check temperatures install the Intel Extreme Tuning utility. Since you have an i7 chip it will show core tems and whether there is thermal throttling taking place. Ideally should be running between 70C and 80C.
5) Message boards : Number crunching : Big models (Message 62649)
Posted 8 Aug 2020 by Profile Alan K
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Possibly more some of the so called leaders at the top and some of the people advising them. Look at what happened in the Spanish flu pandemic in 1918/19.
6) Message boards : Number crunching : Big models (Message 62645)
Posted 7 Aug 2020 by Profile Alan K
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I'd probably be limiting to 2 working on my virtual machine. Seems to be most efficient timewise for data output. Broadband speed not a problem as we are on cable here.
7) Message boards : climateprediction.net Science : AFlame PROJECT (Message 62626)
Posted 24 Jul 2020 by Profile Alan K
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Yes, but does everyone who gets "computer error" next to a task check to see why there is an error? If they did then the same computers wouldn't be throwing up so many failures. The set it and forget it brigade.
8) Message boards : climateprediction.net Science : AFlame PROJECT (Message 62624)
Posted 23 Jul 2020 by Profile Alan K
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Does the answer lie in the participant database? Computers without the libraries will fail the tsaks with a short CPU run time - maybe only a few seconds. Would it be possible to automatically block a computer that fails more than say 4 tasks within this time and message the owner to check his machine?
9) Message boards : climateprediction.net Science : AFlame PROJECT (Message 62621)
Posted 21 Jul 2020 by Profile Alan K
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I recently had a task that was on its 4th go. All 3 previous attempts had failed within a few seconds due to missing libraries! Needless to say it completed on my machine.
10) Message boards : climateprediction.net Science : AFlame PROJECT (Message 62619)
Posted 19 Jul 2020 by Profile Alan K
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Looking at what CPDN reports on my Linux box I get "Linux Ubuntu, Ubuntu 18.04.4 LTS [5.3.0-62-generic|libc 2.27 (Ubuntu GLIBC 2.27-3ubuntu1.2)]" for the operating system. Presumably this is "collected" when the computer registers with CPDN when the project is initially joined. Could this be used to notify participants that their computer does not have the required libraries and therefore will not get any tasks downloaded until this is corrected? I suppose the question is "how to do it".
11) Message boards : climateprediction.net Science : AFlame PROJECT (Message 62615)
Posted 18 Jul 2020 by Profile Alan K
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It's a pity that CPDN cant check for the libraries before downloading the task files or when LINUX boxes add CPDN as a project.
12) Message boards : Cafe CPDN : Where did everybody go (Message 62609)
Posted 13 Jul 2020 by Profile Alan K
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I don't know about everyone else, but I have been crunching for WGC on their Open Pandemic COVID tasks. It seems like a good cause now that the Linux work here has dried up for the time being.


I’ve also been running OpenPandemic, alone with the odd WU’s from the African Rainfall Project.


Same here with Milky Way on GPU thrown in for good measure.
13) Message boards : climateprediction.net Science : Misconfigured Machine? (Message 62599)
Posted 29 Jun 2020 by Profile Alan K
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Three machinesd with loads of errors:

1325065
1421631
1504478

Seem to be giving file/directory missing error.
14) Message boards : Number crunching : Postponed (Message 62573)
Posted 9 Jun 2020 by Profile Alan K
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The BOINC slot directory is in the Program Data folder which by default in W10 is hidden.
15) Message boards : climateprediction.net Science : Climate change in the News (Message 62572)
Posted 9 Jun 2020 by Profile Alan K
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As of midnight tonight the UK has not had any electricity generated by coal fired power stations for 2 months.
16) Message boards : Number crunching : Work available and being requested but none downloaded (Message 62371)
Posted 29 Apr 2020 by Profile Alan K
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You would probably need to set the work buffer higher as the N216 models typically take 10 to 14days to run. Try setting the buffer to 10 days work but reduce your number of processors to 25% to reduce the work capabillty depending on how many cores your processors have.
17) Message boards : Number crunching : What is "HadAM4 at N216 resolution v8.52"? (Message 62327)
Posted 20 Apr 2020 by Profile Alan K
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The 4 Gigs refers to L3 cache.


More likely to be 4Mb L3 cache. My I5 has 6Mb L3 and handles 3 tasks reasonably well, but is faster running only 2 by about 15% (32sec/ts vs 38sec/ts).
18) Message boards : Number crunching : New work Discussion (Message 62290)
Posted 8 Apr 2020 by Profile Alan K
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I've done it using VMware rather than Virtual Box - gives more Linux flavours to install. I'm using VMware workstation 15 Player and Ubuntu 18.04. Good instructions on the BOINC pages and also in the Linux thread - Courtesy of a Dave Jackson !
19) Message boards : Number crunching : No trickles on webpage (Message 62271)
Posted 30 Mar 2020 by Profile Alan K
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Same here but just with 3rd trickle.
20) Message boards : Number crunching : "No tasks sent" (Message 62247)
Posted 19 Mar 2020 by Profile Alan K
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Also at the moment Oxford staff couid be affected by a university shutdown because of the latest UK restrictions regarding coronavirus.


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