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TI CCS problem: Simulator setup

Discussion in 'Electronic Basics' started by Davy, Oct 13, 2005.

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  1. Davy

    Davy Guest

    Hi all,

    When I setup CCS, I found there are two Simulator: Functional Simulator
    and CPU Cycle Accurate Simulator. What's their main difference?

    If I want to know the cycle a program will cost, which Simulator shall
    I choose?

    Any suggestions will be appreciated!
    Best regards,
    Davy
     
  2. Davy

    Davy Guest

    Hi Bhooshan,

    Thank you!

    I have read your reply in dsprelated, but it did't appear in Google
    group, so I posted your reply here!

    Best regards,
    Davy

    Davy--
    The later versions of CCS(3.1 and above) do include a good introduction
    of
    the different types of simulators, their relative advantages and when
    one
    must chose a particular simulator. But in general a CPU cycle accurate
    simulator would be faster than say a, device functional simulator
    because
    it may not model the various peripherals(EDMA,QDMA, McBSP,EMIF etc.)
    and
    cache systems. In other words it might assume a flat memory model and
    will
    not support Digital Loop Back.
    That depends on whether you want to model memory hierarchy, caching,
    DMA
    etc. If you do not want to model any of this(because your end system
    uses
    infinite memory) then you may go for the CPU cycle accurate simulator.
    Also if you want the fastest simulation time one would go for CPU cycle
    accurate simulator.

    --Bhooshan


    This message was sent using the Comp.DSP web interface on
    www.DSPRelated.com
     
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