climateprediction.net home page
Posts by transient

Posts by transient

1) Message boards : Number crunching : CPDN Win10 Compatible ? (Message 52491)
Posted 28 Aug 2015 by transient
Post:
When I bought a new computer at the beginning of this year, going from windows 7 to 8.1, I couldn't get BOINC to use more than about 50% to 60% of the CPU.

That sounds similar to the problem described earlier in the thread

Anyway, my thought was it was a fault in my BIOS settings. But nothing I did there helped.

A test with Prime95 proved to me the problem wasn't in the BIOS. Prime95 had no problem using 100% of the CPU.

I started looking at the settings in BOINC instead. Dialing back from 100% of the time BOINC was allowed to use the CPU to slightly less, 99%, solved that problem for me. As far as I can tell, that was the crucial setting.

I've since upgraded to windows 10. But I haven't yet tried if I can set the percentage back to 100.
2) Message boards : Number crunching : Download errors: Permanent HTTP error (PNW) (Message 45160)
Posted 25 Oct 2012 by transient
Post:
no, it would have to look something like this:

<cc_config>
<log_flags>
<http_debug>1</http_debug>
</log_flags>
<options>
<no_gpus>1</no_gpus>
<ignore_ati_dev>0</ignore_ati_dev>
</options>
</cc_config>

Location: "The configuration is read from a file cc_config.xml. If this file is absent, the default configuration is used. To create or edit the file, use a text editor such as Notepad, and save it as cc_config.xml in your BOINC data directory."

Don't save it as a *.txt file use type: *.*
3) Message boards : Number crunching : Uploads not working (Message 44843)
Posted 19 Sep 2012 by transient
Post:
No, by donating Tulio means buying them and sending them on to Berkely.
4) Message boards : Number crunching : Uploads not working (Message 44820)
Posted 7 Sep 2012 by transient
Post:
could redirecting the url for the uploadhandler in the hosts file to say 127.0.0.0 be an option?
5) Message boards : Number crunching : Output file absent & Too many errors (may have bug) (Message 44588)
Posted 26 Jul 2012 by transient
Post:
The reason for asking for the file names of faulty models, is that the project people want to know which years have the error.
And it seems like they're spread over a lot of years.




In that case, I've gor one here: hadam3p_eu_8a9u_2003_1_008057882_1. Note that this one was sent to me the 18th of July.
6) Message boards : Number crunching : Credit not synchronized on stats-pages (Message 43644)
Posted 6 Jan 2012 by transient
Post:
Sometime in December I had to renew My Cross Project ID on the BOINCStats site. Could the problem be related to that? Currently The BOINCStats site shows my credits correctly for CPDN, as far as I can tell. ;)
7) Message boards : Number crunching : Task manager shows CPDN job not really running (Message 43473)
Posted 23 Nov 2011 by transient
Post:
For the interested observer, here's a link to the task
http://climateapps2.oerc.ox.ac.uk/cpdnboinc/result.php?resultid=13571956
Could it be your problem is with Process Explorer?
The way it works for CPDN is that a wrapper runs the actual executable. If the branch with the wrapper is collapsed, you will not see it using CPU-time.
The name of the wrapper should be something like: hadcm3n_6.07_windows_intelx86.exe

If that is one of the problems, the question remains why it doesn't seem to trickle anymore. I can't answer that one.
8) Message boards : Number crunching : hadcm3n backup restore -- backups can save weeks or months (Message 42603)
Posted 10 Jul 2011 by transient
Post:
I think it might be worth mentioning that this method of restoring a BOINC backup will also trash the other BOINC tasks, if you're running more than one BOINC project.
9) Message boards : Number crunching : 100 hour bug? (Message 42501)
Posted 30 Jun 2011 by transient
Post:
This is explained 2 posts before yours, in Hadcm3n INVALID THETA ?. :)



I just thought it was weird that all 3 failed at the exact same point.
10) Message boards : Number crunching : 100 hour bug? (Message 42486)
Posted 29 Jun 2011 by transient
Post:
These 3 models failed on my computer after running for a bit over 100 hours. The last trickle was for timestep 233280. Coincidence?

http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=12991505
http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=12990998
http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=12990504

They failed with the "invalid theta" mesaage.
11) Message boards : Number crunching : deadline too short for these models ? (Message 42477)
Posted 27 Jun 2011 by transient
Post:
If I remember correctly, the estimate is based on the runtime of previous tasks. The term duration corection factor may sound familiar to you.
If that info is not available for the task type, I believe a project estimate will be used.In this casae apparently 1000 hours
12) Message boards : Number crunching : Download problems (Message 42302)
Posted 31 May 2011 by transient
Post:
That seems a bit over-kill to me. Couldn't you simply have suspended all projects?
13) Message boards : Number crunching : Why not all cores!? (Message 41700)
Posted 5 Mar 2011 by transient
Post:
Yes, but the advantage to a multi-threaded application would be that a single model is finished much faster. And maybe there would be less contention for resources, resulting in a faster completion time? This would benefit research giving useful results faster. I'm trying to say a multi-threaded application might be useful to the researchers, regardless of the feasibility.
14) Message boards : Number crunching : Frustrating that you can't shut down without error (Message 41589)
Posted 2 Feb 2011 by transient
Post:
I can shutdown without models erroring out. I have no idea why you can't. I do know I do not do anything special before shutting down. I know this remark doesn't help you, but it is my comment on the subject title of this thread.
15) Message boards : Number crunching : Sorting for platform (Message 41238)
Posted 6 Dec 2010 by transient
Post:
But as far as download-errors is concerned, this will decrease the daily quota, and any computer with decreased daily quota is not "Reliable". Since the quota increases again on "success"-reports, if there's no other reasons for being unreliable, a computer can very quickly be back to "Reliable" again.


There are no actual "success" tasks, right? Only completed ones. By that measure, a daily quotum can never recover. Does that mean a 'failure' on CPDN will not actually decrease the quotum for that host? Or the original quotum is restored.
Hence maybe the problem with minussing hosts that do not stay minussed?
16) Message boards : Number crunching : Stats say I aborted a WU that was never mine (Message 41237)
Posted 6 Dec 2010 by transient
Post:
The machine is not actually yours?
17) Message boards : Number crunching : FAMOUS SUCCESS/FAILURE RATIO (Message 40981)
Posted 6 Nov 2010 by transient
Post:
Maybe if you incorporate the CPU-time a better idea of failure rate can be gotten.

Looking at the stats for the first host of [B^S] mavau's list, the total CPU time spent on FAMOUS models comes to approximately 61 million seconds (60785865.05). About 48 million seconds of those (48398651.3) were spent on successfully completed models. Maybe it is fair to say that makes for a 80% success rate for that particular host? Those numbers are based on 87 models (55/32).
Or would you have to take into account the time spent if all models had completed successfully? In that case you'll get an about 63% success rate
18) Message boards : Number crunching : cpu pourcentage (Message 40902)
Posted 24 Oct 2010 by transient
Post:
I assume you're referring to the CPU-usage. I see you're using a i7 860, with hyper-threading turned on. You're using 8 cores. 100%/8=12.5% I think that is the CPU-usage you're seeing per core. And yes, that is normal.
19) Message boards : Number crunching : Credit anomalies (Message 40497)
Posted 1 Sep 2010 by transient
Post:
According to BOINCStats I had 748,412 on the 31th of august. At this moment September 1st, I have 538,442.70 credits left, according to BOINCStats.
20) Message boards : Number crunching : How normal is it for work units to abort? (Message 40381)
Posted 18 Aug 2010 by transient
Post:
Because all hosts are not created equally. At least that is how I understand it. There are differences in the type of processors used (AMD/Intel). As if that is not enough, the type of Operating System (Windows/Darwin/Linux) also makes a difference.


Next 20

©2024 climateprediction.net