10 Apr
2006
10 Apr
'06
8:15 p.m.
Carotinho wrote:
hi!
Alle 14:19, domenica 9 aprile 2006, Paul Davis ha scritto:
But do I have to run a 64bit distro on a system running at 64bit?
I'm too trying to save money for buying a new system:)
no, x64 cpus run 32bit oses just perfectly. else noone would buy an x64
processor,
cause most people run combined 16/32 bit oses (windows).
but if you run a 32bit distro, then you can not execute any 64bit code,
even if
your processor is x64 capable.
a 64 bit kernel OTOH can run 32bit apps, but you need a full set of
32bit libraries (multilib).
and there ARE performance problems running 32bit apps under "linux 64".
i tried to set up a 64 linux,
and i got 10% less frames or so under quake4.
I hear
quite often, that there comes a lot of Extratrouble with using
64versions of Linux. Especially, that most Apps are not optimized for
and thus run in a Legacy-Mode, that is slower then running them on a
32bitCPU.
This is not true. Its important that myths like this do not spread.
What is true is that it is not possible to use shared objects compiled
for one word size with host apps compiled for another. So, if you run
your amd64 processor(s) in 64 bit mode, you will not have
flash/shockwave inside firefox since there are not 64 bit plugin
versions available.
Byez!
Carotinho
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