From owner-freebsd-current@FreeBSD.ORG Fri Jan 16 09:39:58 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D38E816A4D0; Fri, 16 Jan 2004 09:39:58 -0800 (PST) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id E473A43D31; Fri, 16 Jan 2004 09:39:46 -0800 (PST) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id AA9D672DBF; Fri, 16 Jan 2004 09:39:46 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id A8FA472DB5; Fri, 16 Jan 2004 09:39:46 -0800 (PST) Date: Fri, 16 Jan 2004 09:39:46 -0800 (PST) From: Doug White To: Scott Long In-Reply-To: <40081CDB.7040503@freebsd.org> Message-ID: <20040116093927.U92448@carver.gumbysoft.com> References: <200401151316.24827.eqe@cox.net> <20040116084230.Y92448@carver.gumbysoft.com> <40081CDB.7040503@freebsd.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@freebsd.org cc: Joan Picanyol Subject: Re: SMP and one-process threads X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jan 2004 17:39:59 -0000 On Fri, 16 Jan 2004, Scott Long wrote: > Joan Picanyol wrote: > > * Doug White [20040116 17:41]: > > > >>Be careful.... FreeBSD doesn't currently schedule different threads of the > >>same program on different processors. > > > > Is this true no matter of scheduler/libmap.conf combination? Is it a > > planned/required feature? > > > > qvb > > -- > > pica > > > Doug's statement was a bit too absolute. The default threading package > is libc_r, which is purely a userland threading package and does not > allow threads to be scheduled on concurrent CPUs. libkse does allow > this, and can be enabled be either linking directly to it, or using the > libmap.conf(5) facility. I stand corrected. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org