Re: Auto-Adaptive scheduler - Final chapter ( the numbers ) ...

From: Davide Libenzi (davidel@maticad.it)
Date: Tue Feb 01 2000 - 10:01:21 EST


> : Larry McVoy wrote:
> : > : _If_ we see that low RQ applications don't switch much, then we can
> : > : assert that low RQ applications aren't adversely affected by the
patch.
> : >
> : > Huh? What about I/O servers? FTP, Web, etc? Are they not low RQ and
> : > frequently switching applications? Yes, they are.
> :
> : If they are frequently switching, there must be several processes to
> : switch

> No. You can have this with one process that is blocking on I/O. It
happens
> all the time. Think of a relatively low bandwidth network connection.

Probably You mean "high bandwidth" if You want to prove to have high switch
rate.
To have a task switch frequently You must have the task ready to run,
therefore
You need the task served fastly by devices, therefore You need "high
bandwidth".

Davide.

--
All this stuff is IMVHO

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