Date: Thu, 31 Jul 2003 19:08:42 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Chuck Swiger <cswiger@mac.com> Cc: freebsd Questions <freebsd-questions@freebsd.org> Subject: Re: buggy optimization levels... Message-ID: <20030801020842.GA16234@rot13.obsecurity.org> In-Reply-To: <3F29C399.6070108@mac.com> References: <3F1322A9.8080805@mac.com> <20030731225137.GA15353@rot13.obsecurity.org> <3F29C399.6070108@mac.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--RnlQjJ0d97Da+TV1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 31, 2003 at 09:34:17PM -0400, Chuck Swiger wrote: > OK. Can the existence of such problems be confirmed reliably, say by=20 > regression testing? The problem is in identifying precisely which piece of code is failing. A regression test is only useful if it concisely exercises a specific set of tests. As I said, in theory any optimization problems can be tracked down to the failure of a certain piece of code, but in something as large as the kernel it is not usually easy. Kris --RnlQjJ0d97Da+TV1 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE/KcuqWry0BWjoQKURAuSnAJ9BJ8OdGssU/WPubQ4S4NOLFsbGcgCdGeRg mqSa63WQIiYGh7o4ILUJKF8= =KbM6 -----END PGP SIGNATURE----- --RnlQjJ0d97Da+TV1--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030801020842.GA16234>