Date: Fri, 7 Apr 2000 12:10:56 -0400 From: "Yevmenkin, Maksim N, CSCIO" <myevmenkin@att.com> To: "'Gustavo V G C Rios'" <kernel@tdnet.com.br> Cc: "'freebsd-hackers@freebsd.org'" <freebsd-hackers@freebsd.org> Subject: RE: Is traditional unixes kernel really stable ? Message-ID: <E598F159668DD311B9C700902799EAF44733C5@njb140po01.ems.att.com>
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[...] > > only one :-) performance :-) context switch is a slow operation. > > > Excuse me gentleman, who said that ? Well, Intel does :) > Take time to visit this site: > http://www.qnx.com/iat/download/index.html I know this OS. It looks great. Perhaps, it is a good choice for embeded OS. A good OS design could help to reduce context switch overhead. Just to give you some examples of context switching overhead, please take a look at http://www.atnf.csiro.au/~rgooch/benchmarks/linux-scheduler.html Thanks, emax To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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