This is the mail archive of the libstdc++@gcc.gnu.org mailing list for the libstdc++ project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: std::max/min optimization

From: Ulrich Drepper <drepper at redhat dot com>
To: Nathan Myers <ncm-nospam at cantrip dot org>
Cc: libstdc++ at gcc dot gnu dot org
Date: Wed, 26 Nov 2003 10:17:03 -0800
Subject: Re: std::max/min optimization
Organization: Red Hat, Inc.
References: <20031125231850.GA13072@tofu.dreamhost.com> <3FC3EF9A.7000707@redhat.com> <20031126150419.GB7698@tofu.dreamhost.com>

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Nathan Myers wrote:

> Summing over all the programs that are actually run, 
> which produces a better overall result?

Completely irrelevant.  You say it yourself:

> on the assumption that
> users who care most about performance are using fast machines.

The fastest code for the fastest machine is generated with by gcc using
the plain old a > b ? a : b code.

- -- 
â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.3 (GNU/Linux)

iD8DBQE/xO4f2ijCOnn/RHQRAhCUAJ4kR2UncRqwrn8KZNaO/9/HqzQ3xgCfQ8PL
WKxE5pVT4H4i23iBm6/2GsA=
=gLSS
-----END PGP SIGNATURE-----

Follow-Ups:
- Re: std::max/min optimization
  - From: Nathan Myers

References:
- std::max/min optimization
  - From: Nathan Myers
- Re: std::max/min optimization
  - From: Ulrich Drepper
- Re: std::max/min optimization
  - From: Nathan Myers

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]