On Fri, Nov 28, 2003 at 12:37:30PM +0100, Wolfgang Jeltsch wrote: > > > > So, what is happening that there is 1 cell in the heap > > containing the representation of 'a', and then a linked list > > of length 5000000, where each element points to that cell. > > Yes, you're right. But if you choose the array alternative, you cannot use > sharing and would, therefore, still need 20 MB.
You can use sharing if you don't use unboxed arrays. Not that it matters if a character takes as much space as a pointer, but for 64-bits floating point numbers on a platform with 32-bits pointers, it would decrease memory consumption by almost half. Anyway, I'm just nitpicking. :-) -- Sebastien
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