Date: Sun, 15 Dec 2002 20:42:12 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Jack Nielsen <jacknielsen2003@yahoo.com.au> Cc: arch@freebsd.org Subject: Re: Threads in FreeBSD Message-ID: <3DFD59A4.314F15A5@mindspring.com> References: <20021215090538.9378.qmail@web14606.mail.yahoo.com>
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Jack Nielsen wrote: > Terry Lambert wrote: > > If you are really interested in this, the original KSE discussions > > were in usenet news groups from 1994 and again in 1996. One of > > the participants was the architect of the threads in Solaris. The > > 1:1 model is definitely suboptimal, since it increases kernel/user > > boundary crossing frequency significantly. > > With Solaris 9, Sun has moved from a M:N to a 1:1 implementation. > > http://wwws.sun.com/software/whitepapers/solaris9/multithread.pdf I know what the whitepaper says. Have you read their souce code? They actually implement a frm of scheduler activations. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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