climateprediction.net home page
Update to FAQ

Update to FAQ

Questions and Answers : Wish list : Update to FAQ
Message board moderation

To post messages, you must log in.

AuthorMessage
DJStarfox

Send message
Joined: 27 Jan 07
Posts: 300
Credit: 3,288,263
RAC: 26,370
Message 27925 - Posted: 16 Apr 2007, 16:58:30 UTC

I\'m not sure where else to put this post, so let me know if there\'s a better place for it.

I propose an amendment to the \"Taking Part in CPDN FAQ\" section of the website. On the BOINC forums for CPDN, in one of the message board topics, there is the answer:


Can I run more than 1 model on my computer?

Yes, but only with the BOINC version. If you have a multi-processor or hyper-threaded Pentium 4 system you can run as many models as you have physical and/or virtual processors.


In just my short time volunteering for this project, I have seen numerous posts and I myself have asked about multi-threaded models. I think the following text should be added to the main FAQ on the site as such:

1 What might I want to find out before starting?
1.3 Why are the work units so big?
1.3.4 CPU Usage
While climateprediction.net will run as many experiments as you let it, each model can only use one processor due to its complex design. You cannot have multiple processors work on one model. For example, if you have two processors, then two models can run with one model on each processor. Many volunteers have asked about multi-threaded work units/models, but due to the complexity of the code (link here perhaps?) this is not possible at this time.
ID: 27925 · Report as offensive     Reply Quote
Profile mo.v
Volunteer moderator
Avatar

Send message
Joined: 29 Sep 04
Posts: 2363
Credit: 14,611,758
RAC: 0
Message 27930 - Posted: 16 Apr 2007, 19:12:34 UTC

Hi DJ

Thanks for your post which is in a very good place. The cpdn FAQs have become so out of date that in places they\'re almost an embarrassment. They used to be looked after by Sylvia, but she\'s been on maternity leave and hasn\'t been around for a while.

MikeMars took things in hand last year on behalf of the mods and compiled the cpdn READMEs (find them thro my sig), which we can update whenever we want - and do. The mods have no access to the website FAQs however, and at this very moment I hesitate to bring this matter up with the programmers in Oxford while they must be dealing with the immediate problem of the newly-released model versions not registering their trickles.

But the whole question of the FAQs needs to be addressed, and sooner rather than later.
Cpdn news
ID: 27930 · Report as offensive     Reply Quote
old_user570577

Send message
Joined: 6 Jun 09
Posts: 1
Credit: 1,856,455
RAC: 0
Message 37198 - Posted: 13 Jun 2009, 13:59:21 UTC

I ran the climate prediction program on a computer I had some time ago and for one reason or another dropped out, relocation due to new job I believe.

At any rate, having just got back into the distributed computed arena again I rejoined and found that the FAQs, while containing good information, are still outdated and from what I see here, by a good two years or more. Reference the query "I cannot complete by the deadline..." referencing Feb 2006 as a start date for starting the coupled model hindcast.

Would it be possible to do a short update on the status of the project at the head of the FAQ, sort of a "this is where we stand..." type of thing?

Reading the news threads can provide updates but only on current issues affecting the program (from what I have seen) and not what its current status is, unless I am just not reading far enough.

I believe the work is important and have dedicated 3 machines to it full time.
Hope you get the storage issues resolved soon.

Thanks,
Ron (Boinky)...
ID: 37198 · Report as offensive     Reply Quote
Profile astroWX
Volunteer moderator

Send message
Joined: 5 Aug 04
Posts: 1496
Credit: 95,522,203
RAC: 0
Message 37204 - Posted: 13 Jun 2009, 17:49:19 UTC


Is the 'Experiment Status' table what you mean?
http://climateprediction.net/
ID: 37204 · Report as offensive     Reply Quote

Questions and Answers : Wish list : Update to FAQ

©2024 climateprediction.net