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Thread 'Team credits - has there been a change?'

Thread 'Team credits - has there been a change?'

Message boards : Number crunching : Team credits - has there been a change?
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ProfileUBT - Timbo

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Message 21341 - Posted: 16 Mar 2006, 17:33:51 UTC
Last modified: 16 Mar 2006, 17:35:09 UTC

Hi,

In the past, CPDN credits awarded while a cruncher was a member of a team, left the team if the member joined another team.

My team (UK BOINC Team) noticed this about a month or so ago, when one of our team members left, taking ALL of the 250,000+ CPDN credits with them. The team this member then joined, then received ALL of these credits.

- Has this policy changed recently (if so, when??).

- Are credits now retained by the team, if a member leaves, or are they all lost and hence are deducted from the teams total.


Needless to say, other BOINC projects allow a team to retain the credits that were earned while a cruncher was a member of that team.



regards,

Tim
Founder, UK BOINC Team
http://www.ukboincteam.org.uk/uk-boinc-team.html

edit: typo
regards,
Tim

UK BOINC Team Founder
Join the UK BOINC Team: http://www.ukboincteam.org.uk/newforum
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ProfilePooh Bear 27
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Message 21354 - Posted: 16 Mar 2006, 21:01:57 UTC

If you are looking at a stat site, they may be readding the information themselves, instead of parsing the information from the file. I have notice this happen on a couple of stat sites. Your milage may vary.

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ProfileKeck_Komputers
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Message 21360 - Posted: 16 Mar 2006, 21:59:57 UTC

CPDN works a little differently from other BOINC projects. Credit is determined at a fixed rate per trickle. A script is run periodically that calculates how much credit a user should currently have. This has side effects of the participant taking credit with them when changing teams and credit can actually go down in rare cases.
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ProfileUBT - Timbo

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Message 21364 - Posted: 16 Mar 2006, 23:12:47 UTC - in response to Message 21341.  



OK - I figured out that the team member usernames are added to the CPDN project site in almost \"realtime\".

But any credits that new members bring to the team are only updated maybe twice a day.

So, there is a disparity for a period of upto 12-13 hours between a new member joining a team and their CPDN credits then being added to the teams total.


And the stats sites are some time behind that, depending on when the XML\'s are exported and the stats site has done their calucualtions....


So, it\'s all a bit \"loopy\".

I thought computers were s\'posed to speed things up - bring back the abacus and the sliderule...!

regards for the replies anyways.

Tim
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Les Bayliss
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Message 21365 - Posted: 17 Mar 2006, 0:09:23 UTC

I thought computers were s\'posed to speed things up


They do. You can get one hundred times as many problems in one thousanth of the time that it used to take to get one problem. :)

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Message 21367 - Posted: 17 Mar 2006, 0:55:19 UTC - in response to Message 21364.  

I thought computers were s\'posed to speed things up - bring back the abacus and the sliderule...!

Speed is relative. We are now working on calculations that could not have been done several years ago. Since this data is massive, it takes time. The databases we are creating are humongous.

Also remember this is a school, with limited funds. The developers are probably not getting paid for all their hours. They can not afford the super computers to keep track of these databases, etc. They are only able to use the money they have.

I am glad you are crunching. I hope you crunch for a long time. I have become a fan of this project, and have 3 computers doing work.


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Message boards : Number crunching : Team credits - has there been a change?

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