[Prev] Thread [Next] |
[Prev] Date [Next]
RE: [coyotos-dev] Scheduler design
Sun Aug 13 16:59:43 2006
On 23/03/2006, at 20.00, Jonathan S. Shapiro wrote:
>On Wed, 2006-03-22 at 11:17 +0100, Valerio Bellizzomi wrote:
>> Ok, so there should be a means to dedicate (at runtime) one CPU to a
>> non-preempted process. That is, one process on one CPU gets an infinite
>> time slice.
>Why should such an option exist?
Primarily for scientific programs where you want to use every single cycle,
and for urgent long-running system diagnostics, the advantage could be
spending less time in context switches.
It could be also a very long time slice, not infinite. Depending on the
situation it may be acceptable to be preempted once in a while.
coyotos-dev mailing list