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    SubjectRe: [2.4.17/18pre] VM and swap - it's really unusable
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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.

    --
    Daniel
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