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Thread: 64 bit in MBP

  1. #1

    macwannabe's Avatar
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    64 bit in MBP
    i saw the video of the WWDC 08 and Jobs said it is going to be 64 bit all the way now.. what exactly 64 bit do. i have read in the forums that you can get more use out of your ram from 64 bit, but is that it? sorry if i am asking a stupid question.
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    64-bit allows you to address memory beyond 3GB. Leopard already supports 64-bit, so I'm not sure exactly how they intend to optimize that support in Snow Leopard as a 'key feature'.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

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  3. #3

    macwannabe's Avatar
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    so are the MBP now 64bit?
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  4. #4

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    Quote Originally Posted by macwannabe View Post
    so are the MBP now 64bit?
    yes...

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  5. #5

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    All systems with the Core 2 Dual (not the older Core Duo) are 64 Bit.

  6. #6

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    Quote Originally Posted by cwa107 View Post
    64-bit allows you to address memory beyond 3GB. Leopard already supports 64-bit, so I'm not sure exactly how they intend to optimize that support in Snow Leopard as a 'key feature'.
    I'm not sure either, it will be interesting to see what comes out as more and more specs come to light. I'll be upgrading for ZFS anyway
    mike
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  7. #7

    macwannabe's Avatar
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    Quote Originally Posted by Dysfunction View Post
    I'm not sure either, it will be interesting to see what comes out as more and more specs come to light. I'll be upgrading for ZFS anyway
    what is ZFS
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  8. #8

    cwa107's Avatar
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    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  9. #9

    macwannabe's Avatar
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    ZFS sounds quite insane to say the least
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  10. #10

    macwannabe's Avatar
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    so if 32 bit will utilize 3.3GB RAM, how much ram do you need to utilize the full 64 bit of RAM...
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  11. #11

    cwa107's Avatar
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    Quote Originally Posted by macwannabe View Post
    so if 32 bit will utilize 3.3GB RAM, how much ram do you need to utilize the full 64 bit of RAM...
    A 32-bit operating system can address up to 3GB of RAM. If you have more RAM beyond that, you'll need a 64-bit operating system to address it, otherwise it will be inaccessible. A 64-bit operating system doesn't require a certain amount of memory, it's just a prerequisite to addressing anything above 3GB.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  12. #12

    macwannabe's Avatar
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    i meant how much will a 64 bit OS need to be maxed out ... 6GB ?
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  13. #13

    cwa107's Avatar
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    Quote Originally Posted by macwannabe View Post
    i meant how much will a 64 bit OS need to be maxed out ... 6GB ?
    No, in theory, we should be talking hundreds of gigabytes.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  14. #14

    macwannabe's Avatar
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    if 64 bit is suppose to be that great hunderds of GB's of ram would be insane why the ZFS (128) that you mentioned b4? sounds 64bit would be over kill as it is?
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    "learn the basics, learn the rules, and then learn how to break them creatively.." - Phototini

  15. #15

    cwa107's Avatar
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    Quote Originally Posted by macwannabe View Post
    if 64 bit is suppose to be that great hunderds of GB's of ram would be insane why the ZFS (128) that you mentioned b4? sounds 64bit would be over kill as it is?
    In 1994, 8MB of RAM was overkill and 32-bit Operating Systems were just making their debut. ZFS is another topic entirely.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

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