core2duo explain please?

Discussion in 'Mac Apps and Mac App Store' started by cpnotebook80, Feb 12, 2007.

  1. cpnotebook80 macrumors 6502a

    Feb 4, 2007
    With the core 2 duo, the processors have 4 cores now right?
    How does that translate with memory intensive programs utilizing cpu power.
    For example i was assuming, Adobe PS3 can use one core to its max
    Itunes+iphoto+mozilla on the 2nd core etc etc and it wont slow the system down whatsoever
    Is this correct?

    If not, how would a core 2 duo sysmte handle multiple memory intensive programs ?
    Any program for the mac to show how much each core is being utilized?
    How does ram play a part with the core 2 duo.

  2. robbieduncan Moderator emeritus


    Jul 24, 2002
    No. Apart from a very small number of Core2 processors (which are clearly labelled as Quad) they are still dual core processors. The 2 refers to the fact that they are second generation Core processors.
  3. timmillwood macrumors 6502a

    Apr 7, 2006
    also it's photoshop CS3 not PS3, thats the playstation
  4. jsw Moderator emeritus


    Mar 16, 2004
    Andover, MA
    As mentioned, no, they have 2.
    The more RAM you have, the more the CPUs will be loaded. If you use very RAM-intensive apps and have insufficient RAM, there will be a lot of disk swapping.
    Yes, in essence, assuming sufficient RAM. There's no way to force the Mac to devote an entire CPU to one app if you're running more apps than you have CPUs, though. It'll load balance.
    It will use each CPU as much as possible, but disk swapping will reduce the efficiency in many cases. It depends on whether the active parts of each app are currently able to fit entirely into RAM.
    Applications->Utilities->Activity Monitor, among others.
    Same as with any CPU - if you have enough RAM that you don't need to swap, the CPUs will run at much higher efficiency, assuming there aren't other bottlenecks (file i/o, network bottlenecks, etc).

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