From owner-freebsd-questions@FreeBSD.ORG Thu Jun 2 02:08:39 2011 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 20FC3106566B for ; Thu, 2 Jun 2011 02:08:39 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-fx0-f54.google.com (mail-fx0-f54.google.com [209.85.161.54]) by mx1.freebsd.org (Postfix) with ESMTP id 9F58C8FC17 for ; Thu, 2 Jun 2011 02:08:38 +0000 (UTC) Received: by fxm11 with SMTP id 11so628347fxm.13 for ; Wed, 01 Jun 2011 19:08:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=zbhOjAtfKHWhIRJvrxIFzGIeH0un5ZeLMHMa1bxy0v0=; b=QVVvrmB8DK/3aTv+fDTFvoYIN1nw4LlrZnOfeUsM5yxaNhS2nHQ7sazBttZNT3JoCJ rDr7UoEXk2ivlA9kP6Q+iCChp8K5k7wkAm+bHrbgZ3uoOUQjXUZ8hvamZuxAIs7JIrT/ Lg+j8Ye9OW2HlYICAeXN2xQhPggPsQuO9SS0M= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=By1mQnMn/9p2LN7NsRkiyd0ZC5Aan3mEYhn1qANkhZU7gc9PSDohpoDKsAze1+B5bK 7kLqMDW0LaUwhiC4s55OibUlxsHOyU1DW7SCoYKYpql1R8bb1nDRRlGb3LL05WoZpO1q HDDThX48sTjF7oirag+wK2w8LWZqWGJIEBvmY= MIME-Version: 1.0 Received: by 10.223.21.215 with SMTP id k23mr169682fab.88.1306980517326; Wed, 01 Jun 2011 19:08:37 -0700 (PDT) Received: by 10.223.107.67 with HTTP; Wed, 1 Jun 2011 19:08:37 -0700 (PDT) In-Reply-To: References: Date: Wed, 1 Jun 2011 21:08:37 -0500 Message-ID: From: Adam Vande More To: Warren Block Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: questions@freebsd.org Subject: Re: I486_CPU or I586_CPU in kernel config X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Jun 2011 02:08:39 -0000 On Wed, Jun 1, 2011 at 3:46 PM, Warren Block wrote: > A little empirical testing: > > Times for buildworld after a fresh reboot, /usr/obj/usr deleted, GENERIC > included, running ccache: > > default (486/586 included) 9:05.84 > nocpu I486, nocpu I586_CPU 9.27.88 > nocpu I486_CPU 8.53.86 > > So maybe a 6% increase by removing 486 but leaving 586... These were not > rigorous benchmarks, it might just be measurement noise. > Good to know, thanks. 6% is nothing to sneeze at. I've already updated my nanobsd builds. -- Adam Vande More