Date: Mon, 8 Jun 2009 22:46:44 +0200 From: Pawel Worach <pawel.worach@gmail.com> To: "M. Warner Losh" <imp@bsdimp.com> Cc: ed@80386.nl, hackers@freebsd.org, current@freebsd.org Subject: Re: Clang: now available from a SVN server near you! Message-ID: <d227e09e0906081346j3ee7822n24c1c4968088647d@mail.gmail.com> In-Reply-To: <20090608.120552.756910862.imp@bsdimp.com> References: <20090604093831.GE48776@hoeg.nl> <20090608.120552.756910862.imp@bsdimp.com>
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On Mon, Jun 8, 2009 at 20:05, M. Warner Losh<imp@bsdimp.com> wrote: > In message: <20090604093831.GE48776@hoeg.nl> > =A0 =A0 =A0 =A0 =A0 =A0Ed Schouten <ed@80386.nl> writes: > : Good news everyone! > ... > : So far we've only done testing on amd64 and i386. A lot of ports are > : probably still broken. Caveat emptor. Beware of dog. Slippery when wet. > > "objects in mirror may be larger than they appear" > > Do you have size or run-time performance comparisons yet? > Here is a semi-recent build-time benchmark for a stipped down amd64 kernel clang: 182.04 real 166.68 user 13.29 sys gcc: 217.79 real 211.00 user 13.22 sys libmicro runtime syscall benchmark results from April: http://www.vlakno.cz/~pwo/lm/2009-04-11/lm.html So runtime performance is on par with gcc, code size is a bit bigger so there is still room for optimization in LLVM. --=20 Pawel
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