[OT] Re: Regression testing of 2.4.x before release?

[Kurt Garloff]

--cvVnyQ+4j833TQvp
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

Hi,

On Fri, Jan 11, 2002 at 04:04:59PM -0800, M. Edward (Ed) Borasky wrote:
> One particular application for which gcc 3.x *and* gcc 2.96.x are
> seriously deficient, at least on Intel/AMD 32-bit systems, is the
> high-performance linear algebra library Atlas. As a result, *my* default
> for compiling numerical applications is the Atlas-recommended one,
> 2.95.3. For the kernel, I use whatever the Red Hat 7.2 default is.

One of the problems of gcc-3 is taking decisions when to inline and when
not. This can hurt numerical code a lot, especially C++.
You may want to use -finline-limit-XXX to tune.
http://www.garloff.de/kurt/freesoft/gcc/
v1 of my patch went into 3.0.3, some version (don't know which) into
mainline, so 3.0.3 should do better.

Regards,
--=20
Kurt Garloff  <[e-mail]>                          Eindhoven, NL
GPG key: See mail header, key servers         Linux kernel development
SuSE GmbH, Nuernberg, DE                                SCSI, Security

--cvVnyQ+4j833TQvp
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org

iD8DBQE8P4SFxmLh6hyYd04RAhQNAKC7hx+KhNzK8WdcxiIjU6CdJO+cFACfXeAX
ThGsprHpWHu3tkQ0rDiVnBk=
=5d6K
-----END PGP SIGNATURE-----

--cvVnyQ+4j833TQvp--