how does the size of int ,float ,pointer varies according to 32 and 64 bit processors?
can anyone explain it clearly?
Leaningnew 0 Newbie Poster
gerard4143 371 Nearly a Posting Maven
Leaningnew 0 Newbie Poster
This link may give you some preliminary information.
but there is something called data models....explain it clearly
sergent 52 Posting Pro
The variable sizes are determined by compiler, not the processor. I think sizeof() is a compile-time function (as opposed to run-time).
The bitness is usually the size of registers in a processor. Generally, the bigger the registers, the faster the processor operates.
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