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
next prev parent 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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