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B How can we measure Fragmentation/ discontinuity ???

  1. Nov 21, 2016 #1
    How can we measure Fragmentation/ discontinuity in a system?
     
  2. jcsd
  3. Nov 21, 2016 #2

    fresh_42

    Staff: Mentor

    We can count number and types of discontinuities. Also the fractal dimension might be useful in a sense that it's definitions / techniques might be adaptable.
     
  4. Nov 22, 2016 #3
    It depends exactly what you mean by "fragmentation in system" - but one simple formula you could use would be:

    (free - freemax)
    ---------------- x 100% (or 100% for free=0)
    free
    where

    free = total number of bytes free
    freemax = size of largest free block
    That way, if all memory is in one big block, the fragmentation is 0%, and if memory is all carved up into hundreds of tiny blocks, it will be close to 100%.
     
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