Subject: Re: 1:1 threading model
To: Gary Thorpe <>
From: Jason R Thorpe <>
List: tech-kern
Date: 01/10/2003 08:00:37
On Fri, Jan 10, 2003 at 09:57:41AM -0500, Gary Thorpe wrote:

 > I read a paper comparing Sun's thread model with Windows NT (they were
 > compared on an x86 machine). It seems that Sun's implementation of M:N
 > needs all kinds of tweaks to get it to use maximum paralleism: the
 > default usage of M:N did not allocate more LWP's to use all 4 of the
 > machine processors. However, by manually setting some things, it seems
 > Solaris's model was slightly better at many things (but not all
 > things).

Right, the real problem with Sun's M:N thread library was silliness in
the implementation, not an inherent problem with M:N threads.

        -- Jason R. Thorpe <>