Message boards :
Number crunching :
Team credits - has there been a change?
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Author | Message |
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Send message Joined: 20 Sep 04 Posts: 45 Credit: 1,652,249 RAC: 0 |
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 |
Send message Joined: 5 Feb 05 Posts: 465 Credit: 1,914,189 RAC: 0 |
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. |
Send message Joined: 5 Aug 04 Posts: 426 Credit: 2,426,069 RAC: 0 |
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. BOINC WIKI BOINCing since 2002/12/8 |
Send message Joined: 20 Sep 04 Posts: 45 Credit: 1,652,249 RAC: 0 |
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 |
Send message Joined: 5 Sep 04 Posts: 7629 Credit: 24,240,330 RAC: 0 |
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. :) |
Send message Joined: 5 Feb 05 Posts: 465 Credit: 1,914,189 RAC: 0 |
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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