[mythtv-users] 32 or 64 Bit

[Jean-Yves Avenard]

Hi

On 5 March 2010 13:32, Raymond Wagner <raymond at wagnerrp.com> wrote:
> The processor is not 'pure 64-bit' because it has the ability to fall back
> to 32-bit mode, and natively run 32-bit code.  This is the same concept as
> will older 32-bit processors which would fall back and natively run 16-bit
> code.  64-bit mode incurs a bit more memory usage, and has a slight
> performance loss when running 32-bit code.

By this definition, very few 64 bits processor are 64 bits then (at
least with Intel, other than IA-64 none of them are 64 bits as they
have retained the ability to run in 32 bits)