x86 vs. x86_64

[Stephen]

this is pretty accurate. if you are at the 4g limit or more then 64
bit. or if you are doing some really high end memory intensive
applications then you will have a need, otherwise 32 bit is the better
idea for compatibility and ease of use (some weirdness with flash in
64 bit, solvable but you have some hoops to jump, there are a few
others like this)

On Thu, Mar 25, 2010 at 3:32 PM, Matt Graham <danceswithcrows at usa.net> wrote:
> From: Nathan England <nathan at paysonlinux.org>
>> Before I spend any time downloading and trying it myself, has any one taken
>> the time to compare performance differences in every day usage between
>> ubuntu x86 and the 64 bit version?
>
> There is essentially ZERO performance difference between 64- and 32-bit Linux
> for normal user apps AFAICT on a Gentoo box.  Couple that with the fact that
> at least one app (epsxe, PSX emulator) doesn't work at all on 64-bit Linux,
> and it's a no-brainer:  Use 32-bit.
>
> The only reason that I can see to use 64-bit Linux is if you have more than 4G
> RAM in your box AND you've got something that can benefit from malloc()ing
> more than 4G of RAM in one process.  So if you're running a big DB or a huge
> numerical simulation or something like that, go 64-bit.  Otherwise, go
> 32-bit.
>
> (Constructive criticism and flying attack porcupines welcomed, since the above
> post may be full of bovine feces....)
>
> --
> Matt G / Dances With Crows
> The Crow202 Blog:  http://crow202.org/wordpress/
> There is no Darkness in Eternity/But only Light too dim for us to see
>
>
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen