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From: Michael Schreckenbauer <grimlog@gmx.de>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Re: Do we have to build gcc with fortran now?
Date: Fri, 24 Jun 2011 22:25:39 +0200	[thread overview]
Message-ID: <1466587.PvB50u6JAg@pc> (raw)
In-Reply-To: <4E04ECE0.9010109@gmail.com>

Am Freitag, 24. Juni 2011, 15:00:32 schrieb Dale:
> Michael Schreckenbauer wrote:
> > Am Freitag, 24. Juni 2011, 08:04:43 schrieb Nikos Chantziaras:
> >> On 06/24/2011 01:16 AM, Dale wrote:
> >>> If it works with fortran turned on, I'd leave it alone. With
> >>> hindsight,
> >>> I should have left well enough alone anyway. It wasn't hurting a
> >>> thing.
> >>> Watch the elog messages. It will tell you at some point to either
> >>> enable fortran or emerge some other package that I forget the name
> >>> of. That one package pulled several dependencies on my rig. YMMV.
> >> 
> >> Well, as I said in another post, I do have -fortan in my make.conf and
> >> there are no problems.  I do not have programs installed that need a
> >> fortran compiler.  And I do not have kde-meta installed; that's a
> >> waste
> >> of resources.  I only install what I actually need.
> > 
> > You have no programs, that *need* fortran, but it could well be, that
> > you have programs installed, that perform better when compiled with a
> > fortran compiler. I think of sci-libs/fftw here as an example. It's
> > used by programs like blender, imagemagick and maybe some others. The
> > developers of said library use fortran, because they benchmarked it. If
> > you disable fortran, you use the slower C fallback solution. If you
> > disable fftw in those packages, you get a slower implementation too
> > afaik.
> > After all, gentoo is a source based distribution. We all already have a
> > couple of languages installed. There's a C compiler a standard user
> > will never use. There's a C++ compiler only used by programmers. We all
> > have them, only to compile programs, that need them.
> > Why not enable fortran, even if it's only optional, to get the best of
> > the available implementations? In the end it's only one programming
> > language more installed on your system.
> > 
> > Regards,
> > Michael
> 
> I just wonder if that is why Cantor was set up to use fortran by
> default.  Not because it is smaller, requires a few less package but
> that it is what it is designed to run off of.  It may well work with
> something else but not as fast, not as good or something else we don't
> know about.

cantor uses R as default backend. R uses fortran. And yes, that's because of 
its speed, when it comes to mathematics and numerics.

> Just makes me think again on this one.
> 
> Dale
> 
> :-)  :-)

Michael





  reply	other threads:[~2011-06-24 20:28 UTC|newest]

Thread overview: 168+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-22  3:55 [gentoo-user] Do we have to build gcc with fortran now? Dale
2011-06-22  4:31 ` Matthew Finkel
2011-06-22  5:25   ` justin
2011-06-22  5:46     ` justin
2011-06-22  6:29       ` Thanasis
2011-06-22  6:33         ` justin
2011-06-22  7:13           ` justin
2011-06-22 22:11             ` [gentoo-user] " walt
2011-06-22 22:36               ` Dale
2011-06-22 23:05               ` justin
2011-06-22  7:41           ` [gentoo-user] " Thanasis
2011-06-22  7:32         ` Matthew Finkel
2011-06-22  8:20           ` Thanasis
2011-06-22  6:03 ` Thanasis
2011-06-22  6:24 ` [gentoo-user] " Nikos Chantziaras
2011-06-22 11:18   ` Dale
2011-06-22 13:12     ` Neil Bothwick
2011-06-22 13:27       ` Dale
2011-06-22 14:13         ` Mark Knecht
2011-06-22 15:29           ` Dale
2011-06-24  0:01           ` Walter Dnes
2011-06-24  0:14             ` Neil Bothwick
2011-06-24 11:56               ` [gentoo-user] " Stroller
2011-06-24 12:42                 ` Alan McKinnon
2011-06-24 22:10                 ` Neil Bothwick
2011-06-22 14:47         ` [gentoo-user] " Neil Bothwick
2011-06-22 15:40           ` Dale
2011-06-22 15:54             ` Alan McKinnon
2011-06-22 16:18               ` Neil Bothwick
2011-06-22 17:46                 ` Dale
2011-06-23 21:27                   ` Peter Humphrey
2011-06-23 21:57                     ` Neil Bothwick
2011-06-23 23:04                       ` Peter Humphrey
2011-06-24 12:02                       ` [gentoo-user] " Stroller
2011-06-24 12:40                         ` William Kenworthy
2011-06-24 22:08                         ` Neil Bothwick
2011-06-22 13:19     ` [gentoo-user] " Nikos Chantziaras
2011-06-22 13:33       ` Dale
2011-06-22 14:14         ` Mark Knecht
2011-06-22 14:24         ` Nikos Chantziaras
2011-06-22 15:35           ` Dale
2011-06-22 16:11             ` Nikos Chantziaras
2011-06-22 16:23               ` Mark Knecht
2011-06-23 21:43                 ` Peter Humphrey
2011-06-23 22:16                   ` Dale
2011-06-24  5:04                     ` Nikos Chantziaras
2011-06-24 10:18                       ` Dale
2011-06-24 19:18                       ` Michael Schreckenbauer
2011-06-24 19:49                         ` David W Noon
2011-06-24 20:00                         ` Dale
2011-06-24 20:25                           ` Michael Schreckenbauer [this message]
2011-06-24 20:52                             ` Dale
2011-06-24 22:20                               ` Neil Bothwick
2011-06-25  3:29                                 ` Dale
2011-06-25 11:48                                   ` Neil Bothwick
2011-06-25 12:04                                     ` Dale
2011-06-25 12:46                                       ` justin
2011-06-25 13:58                                         ` Peter Humphrey
2011-06-25 19:12                                           ` Michael Schreckenbauer
2011-06-26 14:19                                             ` Peter Humphrey
2011-06-26 15:28                                             ` Dale
2011-06-26 19:34                                               ` Michael Schreckenbauer
2011-06-26 20:01                                                 ` Dale
2011-06-26 20:46                                                   ` Michael Schreckenbauer
2011-06-27  3:38                                                   ` Mike Edenfield
2011-06-26 10:45                                           ` [gentoo-user] " Stroller
2011-06-26 14:21                                             ` Peter Humphrey
2011-06-25 19:10                                         ` [gentoo-user] " Alan McKinnon
2011-06-25 19:45                                           ` Dale
2011-06-25 21:34                                             ` Mick
2011-06-26  2:24                                             ` William Kenworthy
2011-06-26  9:27                                               ` Dale
2011-06-26  2:24                                       ` Mike Edenfield
2011-06-26  9:25                                         ` Dale
2011-06-25  6:08                         ` Nikos Chantziaras
2011-06-22 16:58               ` Dale
2011-06-22 17:36                 ` Nikos Chantziaras
2011-06-22 18:13                   ` Dale
2011-06-22 20:15                     ` Alan McKinnon
2011-06-22 21:30                       ` Dale
2011-06-22 22:44                         ` Indi
2011-06-22 22:55                           ` Alan McKinnon
2011-06-23  0:12                             ` Neil Bothwick
2011-06-23 12:08                               ` Todd Goodman
2011-06-23 19:10                                 ` Dale
2011-06-23 19:30                                   ` Indi
2011-06-23 19:56                               ` Alan McKinnon
2011-06-23 12:06                           ` Todd Goodman
2011-06-23 13:09                             ` Indi
2011-06-23 19:54                               ` Alan McKinnon
2011-06-23 21:47                                 ` Peter Humphrey
2011-06-23 22:41                                   ` Alan McKinnon
2011-06-23 23:08                                     ` Peter Humphrey
2011-06-24 13:16                                     ` Indi
2011-06-23 17:23                   ` [gentoo-user] [OT] " pk
2011-06-23 18:16                     ` Neil Bothwick
2011-06-23 19:43                       ` Alan McKinnon
2011-06-23 20:04                         ` Robin Atwood
2011-06-23 20:15                           ` Alan McKinnon
2011-06-24  8:52                         ` pk
2011-06-24  9:31                           ` Neil Bothwick
2011-06-24 13:14                             ` pk
2011-06-24 22:17                               ` Neil Bothwick
2011-06-23 23:43                       ` Walter Dnes
2011-06-24 21:29                       ` [gentoo-user] " walt
2011-06-23 21:51                     ` [gentoo-user] " Peter Humphrey
2011-06-22 17:23               ` [gentoo-user] " Todd Goodman
2011-06-22 18:15                 ` Dale
2011-06-22 18:35                   ` Dale
2011-06-22 20:33                     ` Todd Goodman
2011-06-22 21:34                       ` Dale
2011-06-22 22:56                         ` Neil Bothwick
2011-06-23  5:03                           ` Dale
2011-06-23  9:02                             ` Neil Bothwick
2011-06-23 10:49                               ` Dale
2011-06-23 12:09                                 ` Neil Bothwick
2011-06-23 19:14                                   ` Dale
2011-06-23 19:45                                   ` Alan McKinnon
2011-06-23 20:35                                     ` Neil Bothwick
2011-06-23 21:06                                       ` Alan McKinnon
2011-06-23 21:52                                         ` Neil Bothwick
2011-06-23 12:00                         ` Todd Goodman
2011-06-22 22:43                     ` Mike Edenfield
2011-06-23  5:04                       ` Dale
2011-06-23 21:47                         ` Mike Edenfield
2011-06-23 22:23                           ` Dale
2011-06-24  0:17                   ` Walter Dnes
2011-06-22 21:25               ` Mark Knecht
2011-06-22 22:31                 ` Dale
2011-06-22 23:12                   ` Mark Knecht
2011-06-22 16:52             ` pk
2011-06-22 22:39             ` Mike Edenfield
2011-06-22 22:34         ` Mike Edenfield
2011-06-23 22:15           ` Peter Humphrey
2011-06-22 13:25     ` Indi
2011-06-23 22:18       ` Peter Humphrey
2011-06-24  0:19         ` Neil Bothwick
2011-06-22 13:29 ` [gentoo-user] " Mark Knecht
2011-06-22 14:25   ` Mick
2011-06-22 15:27     ` Mark Knecht
2011-06-22 15:50       ` Dale
2011-06-22 16:18         ` Mark Knecht
2011-06-22 18:10           ` Dale
2011-06-22 19:48             ` Matthew Finkel
2011-06-22 20:55               ` Dale
2011-06-22 21:28                 ` Todd Goodman
2011-06-22 22:20                   ` Mark Knecht
2011-06-23 12:05                     ` Todd Goodman
2011-06-23 12:51                       ` Mark Knecht
2011-06-22 22:35                   ` Dale
2011-06-23 22:30                     ` Peter Humphrey
2011-06-23 22:48                       ` Alan McKinnon
2011-06-23 23:17                         ` Peter Humphrey
2011-06-23 23:05                       ` Dale
2011-06-23 22:22         ` Peter Humphrey
2011-06-23 22:36           ` Dale
2011-06-23 22:57             ` Mark Knecht
2011-06-23 22:54           ` Mike Edenfield
2011-06-24  0:31             ` Neil Bothwick
2011-06-24 12:35               ` Mike Edenfield
2011-06-24 22:16                 ` Neil Bothwick
2011-06-24 12:03             ` Todd Goodman
2011-06-24 12:45               ` Mike Edenfield
2011-06-24 13:38                 ` Todd Goodman
2011-06-24 15:43                   ` Mark Knecht
2011-06-24 22:14                     ` Neil Bothwick
2011-06-25  0:32                     ` Walter Dnes
2011-06-24 22:24               ` Neil Bothwick

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