There are projects however that we can't run on multi core CPUs because the
resource requirements are too high to allow more than 1 or 2 instances.
This is getting to be more and more of a problem as the number of CPU cores
keeps increasing.  Limiting the number of cores on these projects would
allow us to participate.  An "expert" option or even a switch in the
cc_config.xml or app_info.xml would help.

Regards/Ed


On Wed, Sep 22, 2010 at 7:37 AM, <[email protected]> wrote:

> Assigning a particular number of cores to each project is too rigid.
> Sometimes projects cannot supply work, do we leave a CPU idle?  Sometimes
> work needs extra CPU time right now to finish on time.  Do we let the work
> return late and be worthless to the project?  If we don't, do we break the
> resource shares by not repaying the borrowed resource share or do we break
> the CPUs / project setup by paying back the CPU time?  Do we limit each
> machine to no more than N projects where N is the number of CPUs?  Some
> tasks are multi threaded and run better if all CPUs on the system are
> allocated to each task for the duration of the task.  Do we not allow these
> tasks?
>
> The answers for all of these questions have fallen on the side against
> rigidly assigning a number of CPU cores to each project.
>
> jm7
>
>
>
>             boris mouradian
>             <[email protected]
>             om>                                                        To
>             Sent by:                  [email protected]
>             <boinc_dev-bounce                                          cc
>             [email protected]
>             u>                                                    Subject
>                                       [boinc_dev] option to choose the
>                                       number of CPU cores to each project
>             09/21/2010 02:31
>             PM
>
>
>
>
>
>
>
>
> Hello
>
> I do not know if this is the right mailbox for this request, but would
> anyone know why the option to choose the number of CPU cores to each
> project
> was not successful in developing boinc manager ?
>
>  thank you
>
>
>
>
>
>
> _____________________________________
>
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>
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