[CentOS] Silly question x64 vs i386

Scot P. Floess sfloess at nc.rr.com
Wed Dec 16 20:17:42 UTC 2009


Ah good point...  Wasn't thinking in those terms...  Well clearly wasn't 
thinking at all ;)

On Wed, 16 Dec 2009, m.roth at 5-cent.us wrote:

>> I have a really silly question... but just want to ask...
>>
>> I have one box on my home network that is x86_64 capable...  My other
>> boxes are all i386.  As this x86_64 machine can, at most, house 4 GB of
>> RAM (currently only has 1 GB) - is there any advantage to my running
>> x86_64 on that machine instead of i386...  Long story as to why I am
>> asking - but before I go off and moveit down to i386 - just wanted some
>> opinions :)
>
> Short answer: yes.
>
> Longer answer: every single move, down at the machine/assembly level, can
> move twice as many bits as on a 32-bit system. That will show up as a very
> serious speed increase in your software.
>
>      mark "why you should *always* have an assembler course"
>
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Scot P. Floess
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