On Tue, 2002-11-26 at 14:00, Randall R Schulz wrote: > Thomas, > > One thing to keep in mind is that while Unix (and work-alikes) has a -20 > (best scheduling priority) ... +20 (worst priority) range, Windows has only > the six distinct levels. I don't know how Cygwin maps the Unix nice values > to the Windows priorities, offhand. Probably it's a linear mapping. > > I haven't had a chance to read the information about scheduling in Windows, > but I will. Thanks for referring me to it.
Windows has (offhand) ~ 30 scheduling levels. It has priority classes, which 'group' processes, and then relative priorities within each class.IIRC you can check sched,cc via CVS to see the actual mapping I used, it's not linear as such, but nearly so. Thomas, those tests show nothing other than the time it takes to push the iso through to a bitbucket. Unless there is serious other load on the CPU, the time *should* be constant. Rob -- --- GPG key available at: http://users.bigpond.net.au/robertc/keys.txt. ---
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