From owner-freebsd-hackers Tue Aug 7 14:15:58 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from dayspring.firedrake.org (dayspring.firedrake.org [195.82.105.251]) by hub.freebsd.org (Postfix) with ESMTP id 952B137B624 for ; Tue, 7 Aug 2001 14:15:27 -0700 (PDT) (envelope-from float@firedrake.org) Received: from float by dayspring.firedrake.org with local (Exim 3.22 #1 (Debian)) id 15UEBx-0006Wc-00; Tue, 07 Aug 2001 22:15:09 +0100 Date: Tue, 7 Aug 2001 22:15:09 +0100 To: Terry Lambert Cc: freebsd-hackers@freebsd.org Subject: Re: Allocate a page at interrupt time Message-ID: <20010807221509.A24999@firedrake.org> References: <200108070739.f777dmi08218@mass.dis.org> <3B6FB0AE.8D40EF5D@mindspring.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3B6FB0AE.8D40EF5D@mindspring.com> User-Agent: Mutt/1.3.18i From: void Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Aug 07, 2001 at 02:11:10AM -0700, Terry Lambert wrote: > > Can you name one SMP OS implementation that uses an > "interrupt threads" approach that doesn't hit a scaling > wall at 4 (or fewer) CPUs, due to heavier weight thread > context switch overhead? Solaris, if I remember my Vahalia book correctly (isn't that a favorite of yours?). -- Ben "An art scene of delight I created this to be ..." -- Sun Ra To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message