From owner-freebsd-stable@freebsd.org Mon Oct 2 19:19:15 2017 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 95A9EE254C6 for ; Mon, 2 Oct 2017 19:19:15 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [IPv6:2607:f3e0:80:80::2]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 48FEB745BC for ; Mon, 2 Oct 2017 19:19:15 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (lava.sentex.ca [IPv6:2607:f3e0:0:5::11]) by smarthost2.sentex.ca (8.15.2/8.15.2) with ESMTPS id v92JJDQf047774 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Mon, 2 Oct 2017 15:19:13 -0400 (EDT) (envelope-from mike@sentex.net) Received: from [192.168.43.26] (saphire3.sentex.net [192.168.43.26]) by lava.sentex.ca (8.15.2/8.15.2) with ESMTP id v92JJB7Y070730; Mon, 2 Oct 2017 15:19:11 -0400 (EDT) (envelope-from mike@sentex.net) Subject: Re: my build time impact of clang 5.0 To: Dan Mack , freebsd-stable@freebsd.org References: From: Mike Tancsa Organization: Sentex Communications Message-ID: Date: Mon, 2 Oct 2017 15:19:11 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.78 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2017 19:19:15 -0000 On 10/2/2017 2:34 PM, Dan Mack wrote: > > Another significant change in build times this week - not complaining, > just my observations on build times; same server doing buildworld during > the various phases of compiler changes over the last year or so FWIW: Kernel seems to be about the same since 4.x Perhaps the added buildworld time is due to a larger feature set of clang 5.x and hence takes longer to build itself ? e.g. more platforms supported etc ? > > |--------------+--------------+---------------+----------+-----------| > | Ver (svn-id) | World (mins) | Kernel (mins) | Relative | Comment | > |--------------+--------------+---------------+----------+-----------| > | 292733 | 90 | 16 | 0.5 | | > | 299948 | 89 | 16 | 0.5 | | > | 322724 | 174 | 21 | 1.0 | clang 4.x | > | 323310 | 175 | 21 | 1.0 | clang 4.x | > | 323984 | 175 | 21 | 1.0 | clang 4.x | > | 324130 | 285 | 21 | 1.6 | clang 5.x | > | 324204 | 280 | 21 | 1.6 | clang 5.x | > |--------------+--------------+---------------+----------+-----------| > > Dan > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > > -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/