Re: What does i386 exactly mean?

From: Ron Johnson (ron.l.johnson_at_cox.net)
Date: 01/31/05

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    To: Debian-User <debian-user@lists.debian.org>
Date: Mon, 31 Jan 2005 09:47:06 -0600

    On Mon, 2005-01-31 at 16:03 +0100, Nicos Gollan wrote:
    > On Monday January 31 2005 15:21, andras.lorincz@gmail.com wrote:
    [snip]
    > For most packages, it really doesn't matter. It doesn't make much sense to
    > have a shell or about any other interactive program use MMX and SSE
    > extensions since those programs spend 99.9% of their time waiting for user
    > input.
    >
    > There are some rare cases where a customized build will offer an advantage,
    > all of them CPU intensive programs like raytracers, graphics applications,
    > A/V codecs and games. Usually simply building a package from the debian
    > sources will apply the correct processor-specific extensions, but it doesn't
    > hurt to look through the debian/rules file before a build.

    And, often, these types of programs have built-in CPU optimization,
    or there are CPU-specific packages.
    $ apt-cache search atlas3 | cut -d\ -f1 | sort
    atlas3-3dnow
    atlas3-3dnow-dev
    atlas3-base
    atlas3-base-dev
    atlas3-doc
    atlas3-headers
    atlas3-sse
    atlas3-sse2
    atlas3-sse2-dev
    atlas3-sse-dev
    atlas3-test

    $ apt-cache search mplayer | grep ^mplay | sort
    mplayer-386 - The Ultimate Movie Player For Linux
    mplayer-586 - The Ultimate Movie Player For Linux
    mplayer-686 - transitional dummy package which can be safely removed
    mplayer-doc - Documentation for mplayer
    mplayer-fonts - Fonts for mplayer
    mplayer-k6 - The Ultimate Movie Player For Linux
    mplayer-k7 - transitional dummy package which can be safely removed
    mplayer-nogui - The Ultimate Movie Player For Linux 

    -- 
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Ron Johnson, Jr.
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