On Tue, 16 Jul 2002, shreenivasa H V wrote:
> I wanted to know whether there is any support for gang scheduling in the
> linux kernel. If so, what is the status of the implementation and if
> there are any documents about the same.
yes - the 'synchronous wakeup' feature is a form of gang scheduling. It in
essence uses real process-communication information to migrate 'related'
tasks to the same CPU. So it's automatic, no need to declare processes to
be part of a 'gang' in some formal (and thus fundamentally imperfect) way.
(another form of 'gang scheduling' can be achieved by binding the 'parent'
process to a single CPU - all children will be bound to that CPU as well.)
Ingo
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This archive was generated by hypermail 2b29 : Tue Jul 23 2002 - 22:00:23 EST