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Date: Sat, 28 Oct 2006 14:01:44 +0400
From: Lev Serebryakov <lev@FreeBSD.org>
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To: Robert Watson <rwatson@FreeBSD.org>
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Cc: Paul Allen <nospam@ugcs.caltech.edu>, Julian Elischer <julian@elischer.org>,
	Lev Serebryakov <lev@FreeBSD.org>, current@FreeBSD.org
Subject: Re[2]: KSE, libpthread & libthr: almost newbie question
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Hello Robert,

Saturday, October 28, 2006, 1:48:52 PM, you wrote:

RW> Does the JVM actually expose thousands of threads to the OS, or does it 
RW> actually do its own M:N threading internally based on its execution 
RW> model? 
RW> My impression is the latter, exposing threads to the OS only when it 
RW> needs them to consume kernel or CPU resources.
  Wrong. Java used to be N:M ("green threads") a long time ago, and all actual versions (1.4, 1.5, future 1.6) uses 1:1 model.

-- 
Best regards,
 Lev                            mailto:lev@FreeBSD.org