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Date: Wed, 26 Mar 2003 10:42:26 +0100
From: Miguel Mendez <flynn@energyhq.homeip.net>
To: Lev Walkin <vlm@netli.com>
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cc: FreeBSD hackers list <freebsd-hackers@freebsd.org>
Subject: Re: Some specific questions about 5.x
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On Wed, 26 Mar 2003 01:35:37 -0800
Lev Walkin <vlm@netli.com> wrote:

Hi,

> What about Solaris' migration towards 1:1 model from the N:M one they
> had supported for years already? Who are insane, Solaris folks (moving
> towards Linux) or Free/NetBSD ones (migrating to the old Solaris'
> behavior)?

I haven't done Solaris development for a while, but iirc, Sun's
statement on the matter is that developers have to consider which
paradigm fits their application best. Solaris supports both schemes, 1:1
and N:M. Certain applications benefit from the former, other from the
latter. I don't they're going to drop N:M anytime soon. I think the
reason why Linux does 1:1 is that it started as a hack of the process
creation code. Implementing a real N:M system is more complicated.
Perhaps it should be interesting to study in which cases a 1:1 threading
system is better.

Cheers,
-- 
        Miguel Mendez - flynn@energyhq.homeip.net
        GPG Public Key :: http://energyhq.homeip.net/files/pubkey.txt
        EnergyHQ :: http://www.energyhq.tk
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