From owner-freebsd-hackers@FreeBSD.ORG Tue Dec 6 18:42:40 2011 Return-Path: Delivered-To: hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 56B2B1065677 for ; Tue, 6 Dec 2011 18:42:40 +0000 (UTC) (envelope-from max@mxcrypt.com) Received: from mail-qy0-f182.google.com (mail-qy0-f182.google.com [209.85.216.182]) by mx1.freebsd.org (Postfix) with ESMTP id 1819E8FC15 for ; Tue, 6 Dec 2011 18:42:39 +0000 (UTC) Received: by qcse13 with SMTP id e13so3597404qcs.13 for ; Tue, 06 Dec 2011 10:42:39 -0800 (PST) Received: by 10.229.63.156 with SMTP id b28mr1916005qci.40.1323196959271; Tue, 06 Dec 2011 10:42:39 -0800 (PST) MIME-Version: 1.0 Received: by 10.229.216.15 with HTTP; Tue, 6 Dec 2011 10:42:08 -0800 (PST) In-Reply-To: References: <20111205.171654.020.1@DOMY-PC> <20111206.170342.731.2@DOMY-PC> From: Maxim Khitrov Date: Tue, 6 Dec 2011 13:42:08 -0500 Message-ID: To: Eitan Adler Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: rank1seeker@gmail.com, hackers@freebsd.org Subject: Re: CPUTYPE and friends, from 'make.conf' benchmark X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Dec 2011 18:42:40 -0000 On Tue, Dec 6, 2011 at 1:34 PM, Eitan Adler wrote: > 2011/12/6 =C2=A0: >> # /bin/sh -c "gcc -v -x c -E -mtune=3Dnative /dev/null -o /dev/null 2>&1= | grep mtune | sed -e 's/.*mtune=3D//'" >> Test done once. > >> What do you think about this? > > As usual, it very well *may* be true, but please use ministat(1) to > confirm. This requires more than one test. I'm not trying to be > difficult - but statistics and benchmarking is non-trivial. A few other good suggestions: http://wiki.freebsd.org/BenchmarkAdvice - Max