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Re: architecture width ?

by BrowserUk (Pope)
on May 15, 2013 at 22:07 UTC ( #1033742=note: print w/ replies, xml ) Need Help??

in reply to architecture width ?

If I have a 64 bit cpu, do I need a 64 bit release of Perl?

No. Leastwise not on Windows or (those varieties of*) *nix I am aware of. The 64-bit versions of will also allow you to build and run 32-bit binaries.

(* there are so many vareties, there might be some that won't; who knows :)

Are there other factors in play?

Other factors that enable or prevent what?

A 32-bit binary will be limited to using 1 or 2 or 3GB of ram per process depending upon your OS and build parameters; regardless of how much is physical available. But the 32-bit Perl will use somewhat less memory for a given size of array or hash, because it only needs 4 bytes per pointer rather than 8.

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