Date: Tue, 04 Sep 2012 22:56:25 +0200 From: "O. Hartmann" <ohartman@zedat.fu-berlin.de> To: Dimitry Andric <dimitry@andric.com> Cc: freebsd-current@FreeBSD.org Subject: Re: Compiler performance tests on FreeBSD 10.0-CURRENT Message-ID: <50466AF9.5010509@zedat.fu-berlin.de> In-Reply-To: <5046670C.6050500@andric.com> References: <5046670C.6050500@andric.com>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig2CF9B7BF134CCED0B87A830B Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 09/04/12 22:39, Dimitry Andric wrote: > Hi all, >=20 > I recently performed a series of compiler performance tests on FreeBSD > 10.0-CURRENT, particularly comparing gcc 4.2.1 and gcc 4.7.1 against > clang 3.1 and clang 3.2. >=20 > The attached text file[1] contains more information about the tests, > some semi-cooked performance data, and my conclusions. Any errors and > omissions are also my fault, so if you notice them, please let me know.= >=20 > The executive summary: clang compiles mostly faster than gcc (sometimes= > much faster), and uses significantly less memory. >=20 > Finally, please note these tests were purely about compilation speed, > not about the performance of the resulting executables. This still > needs to be tested. >=20 > -Dimitry >=20 > [1]: Also available at: > <http://www.andric.com/freebsd/perftest/perftest-2012-09-01a.txt>; Very intersting. It would also be of great interest to have some benchmarks on FBSD 10 at hand which compare the performance of the resulting binary of those compilers. Regards, Oliver --------------enig2CF9B7BF134CCED0B87A830B Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iQEcBAEBAgAGBQJQRmr5AAoJEOgBcD7A/5N8BHMH/jynI19T0SZvbEjNY5LHBS16 xvcICPrHbVvx+tx9CjY0zSK5pWC1ouEDjfdnfLI+F+gIH4m44e6J6WCjnFDVfFzA csixg30mpHTuTJ7VvwA94guCDqDNEjrb2vFjn73TYH5X5W45UsJ9EBDEUubdofk1 CkXnTx4A/lJ6ApxmN6hq0AwAjgTv9py+cTDIF8Z5X3r5/+VwQa6PSwKS7ZOocwIT LmnA+9gLGI2vcZ3ZXZRwpQuH9AAMTJjvW1Ph5/i3CICZZcWjm3kRIqrSLaTBSAoO AAyvIHcdwn0lX1gaamxnCumeDEyeHWaIn/DZ399MT7xuNPTXa09elB1AQNlf5SM= =e5iu -----END PGP SIGNATURE----- --------------enig2CF9B7BF134CCED0B87A830B--
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