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Check out this, it should answer most of your questions... |
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|
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http://www.gentoo.org/doc/en/gentoo-amd64-faq.xml#perfup |
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> Hi, |
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> |
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> My box is a working and fully configured Gentoo system, which is |
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> uptodate. |
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> |
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> For the sake of being able to address more RAM and for more |
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> calculation power (mainly for rendering purposes) I want to |
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> migrate to 64bit. |
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> |
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> I googled for some tutorial but found nothing appropiate (one post |
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> asked for the downtime to be expected while migrating a server -- |
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> something which not applies to me...). |
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> |
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> My questions are: |
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> 1) Is there a performance gain, when migrating to 64bit if the |
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> target applications supports 64bit? |
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> 2) Is it possible - if( true ){ how(); } - to """simply""" |
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> "convert" a 32bit system to 64 bit. |
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> "Simply" in my case means: Simpler ways than starting right |
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> from the bare metal of a virgin harddisk and doing the same |
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> stuff I did for the current system again... ;) |
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> 3) Is there some tutorial, which show me the path to go? |
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> |
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> Thank you very much in advance for any help! |
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> |
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> Best regards, |
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> mcc |
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> |
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> |
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> |
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> |
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> |
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> |
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