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64 bit vs 32 bit?

  • 09-11-2009 7:29pm
    #1
    Eliot Rosewater
    Registered Users, Registered Users 2 Posts: 3,745 ✭✭✭


    I was only going through my BIOS the other day when I realized by i686 dual core processor supported 64 bits :pac:

    Im now going to download Ubuntu 64 bit and install it (separately) to give it a shot. Will it make any difference? I heard it only really makes a difference for large programs, but I do use Inkscape quite a bit. Anyone any personal feedback on the differences?


    The only issue is that Ive only 1gb ram. Will this matter? Usually it lies around 50% used but I see its now using 80% with music on, and some swap too. Wierd - only doing web browsing.


Comments

  • #2
    Tillotson
    Registered Users, Registered Users 2 Posts: 218 ✭✭Tillotson


    You won't notice the difference.

    0.8GB seems fairly high.

    Make sure your checking the right numbers.
    $ free -m

    The first line should report that the memory is almost all used, this is good as it means that the OS is doing it's job and caching data. The second line tells you how much memory actually available to applications. The memory use reported by `top` includes things like video memory. I'd welcome correction.


  • #3
    Eliot Rosewater
    Registered Users, Registered Users 2 Posts: 3,745 ✭✭✭Eliot Rosewater


    Well it definitely went into swap, because i heard my hard disk spinning like a manic while I wrote a post here. It was "pulseaudio" and "update-notifier" that were taking up all the RAM so I quit them and it sped up again.

    EDIT: pulseaudio is literally gorging my RAM. Its a bug: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/424655

    Just goes up and up and then works into swap. Serious bug, my PC's been on only an hour and its already starting to crawl.


  • #4
    Naikon
    Closed Accounts Posts: 4,564 ✭✭✭Naikon


    The Linux sound stack has become overly complex if ALSA is
    your main point of call.

    I have OSS installed now, and it just works even with concurrent
    sound apps accessing /dev/snd/pcm0. No app hogs the soundcard.

    OSS performs the mixing in kernel mode which is pretty cool.
    Don't miss ALSA anymore:D


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