Date: Tue, 3 Oct 2017 09:46:08 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Dan Mack <mack@macktronics.com>, freebsd-stable@FreeBSD.org Subject: Re: my build time impact of clang 5.0 Message-ID: <9b295409-dc65-fe03-9fd1-1464b8d991c9@FreeBSD.org> In-Reply-To: <m2lgktv1pg.fsf@macktronics.com> References: <m2lgktv1pg.fsf@macktronics.com>
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On 02/10/2017 21:34, 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: > > |--------------+--------------+---------------+----------+-----------| > | 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 | > |--------------+--------------+---------------+----------+-----------| It shocked me to a realize that I can build several platforms that do not have clang support yet (like powerpc) one after another in a fraction of time required to build just amd64. -- Andriy Gapon
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