Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: [2.4.17/18pre] VM and swap - it's really unusable | Date | Wed, 16 Jan 2002 17:37:05 +0100 |
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On January 16, 2002 04:27 pm, Bill Davidsen wrote: > On Tue, 15 Jan 2002, Daniel Phillips wrote: > > On January 15, 2002 06:26 am, Mark Hahn wrote: > > > > than the task's float, the completion time of the schedule as a whole will be > > > > delayed. This is no different for a computer than it is for a group of > > > > people, it is still a scheduling problem. Delaying any random task risks > > > > > > it is quite different. with computers, there are often STRONG benefits > > > to clustering, batching, chunking, piggybacking, whatever you want to call it. > > > > It's no different. > > Sorry, there are strong benefits from all of the things mentioned. I lack > time and inclination to explain how caching works, but there are costs of > changing from one thing to another.
With people, there are often STRONG benefits to clustering, batching, chunking, piggybacking. See what I mean?
> The other issue is that processes doing i/o (blocking before a whole > timeslice) will run better if they get priority when they can use the CPU. > Therefore a system needs to recognize (and be tuned) for both of these. > > Computers are very different than people in lines.
Oh yes, computers don't *know* they are in lines.
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