From: Chris Schlaeger (cs_at_suse.de)
Date: Tue Sep 27 2005 - 20:59:40 CEST
From: Chris Schlaeger <cs@suse.de> Message-Id: <20050927185940.14CF6B720@einstein.suse.de> Date: Tue, 27 Sep 2005 20:59:40 +0200 (CEST) Subject: [taskjuggler] Re: how to make two resources mandatory & persistent for a task?
I agree, it would be nice if TaskJuggler would do this. Unfortunately it is very expensive to implement. As a task can have multiple resources assigned there is no clear priority sequence I can use to order them. The scheduler would have to do a look-ahead for every time slot where it potentially takes away a resource from another task. Due to the 'mandatory' flags this is not trivial at all. We sure don't want to miss slots due to a potential take-away from other tasks that in the end don't take the resource due to other resources not being available. And all this happens in the innermost loop of the scheduler, so the performance impact would be significant.
I'll think about this again, but I'm afraid that there is no efficient way to do this.
Chris
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