From: "Walter Dnes" <waltdnes@waltdnes.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Re: -march=native is *EXTREMELY* conservative
Date: Sat, 17 Dec 2011 20:10:54 -0500 [thread overview]
Message-ID: <20111218011054.GA2804@waltdnes.org> (raw)
In-Reply-To: <jcj39r$cf4$1@dough.gmane.org>
On Sat, Dec 17, 2011 at 11:58:36PM +0200, Nikos Chantziaras wrote
> The output lies. It's a known issue. Use this instead:
>
> echo | gcc -dM -E - -march=native
>
> You should see stuff like:
>
> #define __MMX__ 1
> #define __SSE3__ 1
The onboard GPU was initially incapable of handling 1080i video without
stuttering badly and dropping frames. After explicitly changing the
flags and rebuilding system+world+kernel, it displays 1080p videos
flawlessly. That's one big "co-incidence".
--
Walter Dnes <waltdnes@waltdnes.org>
next prev parent reply other threads:[~2011-12-18 1:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-17 21:07 [gentoo-user] -march=native is *EXTREMELY* conservative Walter Dnes
2011-12-17 21:53 ` Dale
2011-12-17 21:58 ` [gentoo-user] " Nikos Chantziaras
2011-12-18 1:10 ` Walter Dnes [this message]
2011-12-18 10:34 ` Walter Dnes
2011-12-18 10:45 ` Nikos Chantziaras
2011-12-18 18:10 ` Andrea Conti
2011-12-19 0:05 ` [gentoo-user] A tale of computing thud and blunder Walter Dnes
2011-12-19 0:17 ` Dale
2011-12-19 5:41 ` Pandu Poluan
2011-12-19 6:15 ` Dale
2011-12-19 6:49 ` [gentoo-user] " Nikos Chantziaras
2011-12-19 7:21 ` Dale
2011-12-19 12:49 ` walt
2011-12-19 8:14 ` [gentoo-user] " Pandu Poluan
2011-12-19 16:37 ` Paul Hartman
2011-12-18 1:15 ` [gentoo-user] -march=native is *EXTREMELY* conservative Paul Hartman
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