OK, a "no more than nCPUs" is a bit different than "exactly nCPUs", but
would be better served if we could figure it out automatically somehow.
What resource(s) are required that are causing the problem? Is there some
way of detecting this conflict? If we can answer both, we would be much
better off doing it automatically.
jm7
Ed A
<canoebey...@gmai
l.com> To
[email protected]
09/22/2010 09:06 cc
AM boris mouradian
<[email protected]>,
[email protected],
[email protected]
Subject
Re: [boinc_dev] option to choose
the number of CPU cores to each
project
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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thank
you help research with software/piece of software BOINC on the site:
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