Some real world example (a compiled c file with some SSE2 assembly for FFT calculations):
(size in bytes) 11902 test1 11592 test1_64
The latter one is compiled for 64bit mode.
Is this the text size, text + bss, or what?
This is only one program, of rather tiny size. It proves no more about AMD64 executable size expansion than an anecodote about your grandfather the smoker who lived to 99 proves about the true epidemilogical health effects of tobacco use.
This program may very well not even use pointer variables. Or it may use only local pointer variables so they are only allocated at run time on the stack so data space expansion is not visible in the program size. Look here:
In this study the size of common shared libraries go up by 15% (the text section actually shrinks a bit but this is lost by growth in size of relocation and linkage tables etc) but memory usage of applications goes up by about 25%.
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