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  1. 05-11-2007 #1
    gatekeeper
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    Smile 32bit VS 64bit

    Which is better?
    Ubuntu 8.04 [32bit] @ Gateway MX6453 Notebook
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  2. 05-11-2007 #2
    devils casper
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    check this thread.
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  3. 05-12-2007 #3
    pavlo_7
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    In some cases running 64bit would be like looking for troubles. Just try installing flash on 64 bit machine ... (possible, but not so simple with some distros). Another example, XEN virtual machine would freeze in a couple of hours on 64bit RedHat or CentOS, while it works fine on 32bit (9 hours UP as of now and no problems).

    So, I'm with techieMoe on this one. It's better not to switch to 64bit. At least not yet.
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  4. 05-12-2007 #4
    smolloy
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    Only use 64bit if you need it. I run pretty hardcore Matlab routines, and 64 bit really helps me out. To be honest I've never had any problems I can directly attribute to my choice of a 64bit OS, but I'll bow to pavlo and techiemoe's superior experience.
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  5. 05-12-2007 #5
    devils casper
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    Quote Originally Posted by smalloy
    Only use 64bit if you need it. I run pretty hardcore Matlab routines, and 64 bit really helps me out. To be honest I've never had any problems I can directly attribute to my choice of a 64bit OS
    iirc, you explained 64bit OS usage in detail somewhere. i was searching for that post of yours but couldn't find it.
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  6. 05-12-2007 #6
    smolloy
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    I can't remember going very in depth into my experiences with 64 bit computing, but maybe I did

    Although 64 bit CPUs and OS's have been out for quite a while now, adoption by programmers has been a little slow. There are some programs out there that really make use of what 64 bit has to offer -- for example Matlab -- while others (the majority ASAIK) are compiled for 64 bit without any thought being put into making full use of it (i.e. without changing the source code).

    I had a real need for a 64 bit OS (I'm an accelerator physicist, and run simulations of tens of millions of particles, moving at the speed of light, and interacting with each other and beam-line fields, so my code gets pretty hardcore!), so I installed 64 bit SuSE (although now I'm using 64 bit Sabayon).

    If you don't need a particular 64 bit program, and you have less than 4GB of RAM, I'm not sure if there's any advantage over a regular 32 bit OS.

    Just my two cents.
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