> > [...] > >> What determines if I need to build 64-bit binaries? > > [...] > > I have no idea if there is some process, but 64 bit applications are > > generally slower and bigger than 32bit ones. I don't see reason for > > 64bit version... > > It isn't true that 64bit applications are slower than 32bit ones. It really > depends on what the application does. > > The main reasons to use a 64bit application are: > > 1) You need a large address space - possibly via mmap() > 2) You need to control (via /proc) another 64bit process > 3) You want to take advantage of the performance increase that can be had > from 64bit - this is more relevant to AMD64 than to SPARC.
Correct. But you obviously pay the overhead for all 64bit apps.
Thanks for the clarification
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Vlad
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