From owner-freebsd-arch@FreeBSD.ORG Sat Apr 19 13:15:54 2008 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 766051065673 for ; Sat, 19 Apr 2008 13:15:54 +0000 (UTC) (envelope-from tataz@tataz.chchile.org) Received: from postfix1-g20.free.fr (postfix1-g20.free.fr [212.27.60.42]) by mx1.freebsd.org (Postfix) with ESMTP id 2F2018FC1F for ; Sat, 19 Apr 2008 13:15:54 +0000 (UTC) (envelope-from tataz@tataz.chchile.org) Received: from smtp5-g19.free.fr (smtp5-g19.free.fr [212.27.42.35]) by postfix1-g20.free.fr (Postfix) with ESMTP id 4FCEF251F896; Sat, 19 Apr 2008 15:15:53 +0200 (CEST) Received: from tatooine.tataz.chchile.org (tataz.chchile.org [82.233.239.98]) by smtp5-g19.free.fr (Postfix) with ESMTP id DC1693F8E5B; Sat, 19 Apr 2008 09:48:52 +0200 (CEST) Received: from obiwan.tataz.chchile.org (unknown [192.168.1.25]) by tatooine.tataz.chchile.org (Postfix) with ESMTP id DA06F9BF12; Sat, 19 Apr 2008 07:46:38 +0000 (UTC) Received: by obiwan.tataz.chchile.org (Postfix, from userid 1000) id C6C70405B; Sat, 19 Apr 2008 09:46:38 +0200 (CEST) Date: Sat, 19 Apr 2008 09:46:38 +0200 From: Jeremie Le Hen To: Steve Kargl Message-ID: <20080419074638.GH4840@obiwan.tataz.chchile.org> References: <20080418132749.GB4840@obiwan.tataz.chchile.org> <200804181945.59189.max@love2party.net> <20080418204738.GE4840@obiwan.tataz.chchile.org> <20080419001555.GA50009@troutmask.apl.washington.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080419001555.GA50009@troutmask.apl.washington.edu> User-Agent: Mutt/1.5.15 (2007-04-06) Cc: freebsd-arch@freebsd.org Subject: Re: Integration of ProPolice in FreeBSD X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Apr 2008 13:15:54 -0000 Hi Steve, On Fri, Apr 18, 2008 at 05:15:55PM -0700, Steve Kargl wrote: > On Fri, Apr 18, 2008 at 10:47:38PM +0200, Jeremie Le Hen wrote: > > > > Certainly. I would like to hear opinion from other committers if SSP > > should be enabled by default. > > I'm not a committer, but I'll ask a question anyway. > > Can you quantify the performance impact, in particular for > numerically intensive codes with heavy use of libm? I don't run such application, so I can't answer. Sorry. If you are willing to give a try, I would be pleased to help you to run your tests, or even run them on my side. BTW for the sake of my curiosity, is there a technical reason for ProPolice to be heavier for libm? Regards, -- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org >