Subject: Re: Issue 90 of the NetBSD CVS Digest is out.
To: None <email@example.com>
From: Aaron J. Grier <firstname.lastname@example.org>
Date: 02/11/2007 09:23:26
On Sun, Feb 11, 2007 at 12:20:04PM +0000, Mark Kirby wrote:
> o The branch introduces a new 1:1 threading model that allows
> multithreaded applications to take advantage of all available CPUs
> in a multi-way system. The scheduler activations implementation used
> from NetBSD 2.0 through NetBSD 4.0 provides execellent performance
> on single CPU systems, but restricts any instance of a threaded
> application to a single CPU in the system.
what did PTHREAD_CONCURRENCY do previously? it seemed to put threads on
multiple CPUs under 2.0.x.
is the M:N threading being replaced, or is this adding a special case
for 1:1 ?
Aaron J. Grier | "Not your ordinary poofy goof." | email@example.com
"silly brewer, saaz are for pils!" -- virt