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Re: 64bit vs i386



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On 05/13/08 22:15, Todd A. Jacobs wrote:
> On Tue, May 13, 2008 at 09:45:48AM -0700, Abraham Chaffin wrote:
> 
>> wondering if it makes a difference if I install the 64bit version of
>> the debian vs the i386 version of debian? If it's just running apache,
> 
> You will pay a performance penalty if you run 32-bit on a 64-bit system.

How so?  (That's the polite way of saying, "You're wrong.")

> You may also not be able to access all your RAM,

Sure, on the 80486 or early Pentia.  But everything since then has PAE.

>                                                  or will access it less
> efficiently (assuming you're using more than 4GB, of course).

That's true.

> Most of the downsides of 64-bit are in end-user applications like
> browser plugins and such, but you can always run them 32-bit under AMD64
> anyway with the help of ia32-libs and ia32-libs-gtk, or under a 32-bit
> chroot.

That's also true.  You *might* have problems running Java apps in a
32-bit browser under x86-64.  Installing both a 32-bit and 64-bit
Java seems a pain in the arse.

- --
Ron Johnson, Jr.
Jefferson LA  USA

We want... a Shrubbery!!
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