I don't get new tasks..?

Message boards : Malaria Control : I don't get new tasks..?

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Martin
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Joined: Aug 11 11
Posts: 2
Credit: 8,158
RAC: 0

Was just wondering why..?

Profile mikey
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Joined: Mar 23 07
Posts: 4382
Credit: 5,361,193
RAC: 1,084

Was just wondering why..?


Most likely your cache settings in the new version! The number on the LEFT is the MINIMUM amount of cache before Boinc asks for more work, the number of the RIGHT is the ADDITIONAL amount of cache you can have. When going from version 6 to version 7 flip the numbers and Boinc should be back to normal.

Martin
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Joined: Aug 11 11
Posts: 2
Credit: 8,158
RAC: 0

Most likely your cache settings in the new version! The number on the LEFT is the MINIMUM amount of cache before Boinc asks for more work, the number of the RIGHT is the ADDITIONAL amount of cache you can have. When going from version 6 to version 7 flip the numbers and Boinc should be back to normal.


Sorry that was too quick for me, where are those settings and what are the normal numbers..?

Thyme Lawn
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Joined: Jun 20 06
Posts: 181
Credit: 1,233,724
RAC: 1,389

7.0 has some major changes to the way the BOINC client operates which haven't been widely publicised.


  1. Work scheduling

    The concept of project debts (short and long term) are no longer used. The work scheduler now uses something called Recent Estimated Credit (REC). This measures how long your system takes to run work for each project, accumulating when a project is running and decaying when it isn't running. It isn't directly related to RAC or actual credit (which are controlled by the project servers).

  2. Work fetch

    Work fetch is now dependent on the REC and resource share ratio for each project. The project with the lowest REC will, in general, have the highest priority when requesting work.

  3. Global preferences

    The interpretation of the first 2 parameters in the network usage section of global preferences has changed in BOINC 7.0

    • Computer is connected to the Internet about every is now displayed on the Network Usage tab of the Preferences dialog (accessible from the Avanced - Preferences menu item in BOINC Manager's advanced view) as Minimum work buffer with the tooltip Try to maintain enough tasks to keep busy for this many days. I'll refer to this as minimum below.

    • Maintain enough work for an additional is now displayed on the same tab as Max additional work buffer with tooltip In addition, maintain enough tasks for up to this many days. I'll refer to this as additional below.


    When the total amount of work for all projects on your system for a resource (e.g. CPU or GPU) falls below "minimum" BOINC will request enough work from the highest priority project to top the amount of work up to "minimum" + "additional".

    If both values are set to 0 BOINC won't request work until you have an idle CPU (or GPU).


One consequence of these changes is that computers are more likely to have periods when one or more projects have no pending work.
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