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Ram limit on OSX??

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  • Ram limit on OSX??

    Hey Guys..

    I just read this on the recording forum

    Correct me if I'm wrong but XP can only allocate 2 g of memory to any app so more than that may not help you much depending on the software you are trying to run. I found this out after putting 4 g in mine.



    Is there any limit in MacOsx??


    Regards.

    Rimmer
    <div class="signaturecontainer">"(The New Testament) is a work of crude carpentry, hammered together long after its purported events, and full of improvised attempts to make things come out right." Christopher Hitchens, R.I.P</div>

  • #2
    From the Memory Manager Guide:

    In Mac OS X, each process has its own sparse 32-bit or 64-bit virtual address space. For 32-bit processes, each process has an address space that can grow dynamically up to a limit of four gigabytes. For 64-bit processes, the address space can grow dynamically up to a limit of approximately 18 exabytes.


    An exabyte is 2 to the 60th, or 1,152,921,504,606,846,976 bytes.

    Comment


    • #3
      Originally posted by Qengho
      From the Memory Manager Guide:



      An exabyte is 2 to the 60th, or 1,152,921,504,606,846,976 bytes.


      Ah.. So basically the 32bit users with 32 bit os's get 4gb's and the 64bit users get more than they ever need?

      Thx!

      Rimmer
      <div class="signaturecontainer">"(The New Testament) is a work of crude carpentry, hammered together long after its purported events, and full of improvised attempts to make things come out right." Christopher Hitchens, R.I.P</div>

      Comment


      • #4
        I think the practical limit is much less than that. I can't recall the thread, but there was some discussion from Logic users that they couldn't get LP7.1 under Tiger to utilize more than 3GB or so...

        Comment


        • #5
          This is going to be a little speculative since I do not know exactly how Logic reservers memory.

          Your hardware in most cases will limit the amount of RAMyour computer can use.

          It is true that the amount of memory a 64bit processor can address is 18 exabytes. However, my G5 will only allow 8GB but the new G5 will take 16GB.

          Now, if Logic runs like most other OS X apps memory is dynamically assigned to the application based on need. The more plugins you use, the more RAM Logic will eat.

          What Symbiotic says may be a limit with the application, I am not sure. However, OS X really depends on what your hardware will allow.

          I currenlt have 3GB installed and do not often max it out, but it has happened once or twice.
          <div class="signaturecontainer"><a href="http://android.cc" target="_blank">android</a></div>

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          • #6
            Originally posted by lipids
            I currenlt have 3GB installed and do not often max it out, but it has happened once or twice.






            Thanks for all the information then.


            Rimmer
            <div class="signaturecontainer">"(The New Testament) is a work of crude carpentry, hammered together long after its purported events, and full of improvised attempts to make things come out right." Christopher Hitchens, R.I.P</div>

            Comment


            • #7
              Originally posted by Rimmer






              Thanks for all the information then.


              Rimmer


              Mispellings and all. I know it is a lot of RAM, but I am a huge multitasker. I generally keep open tons of apps.
              <div class="signaturecontainer"><a href="http://android.cc" target="_blank">android</a></div>

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