Re: IA32e target in RHEL 4 64 AS distro

["richard offer" <roffer gmail com>]

On 3/3/06, Federico Lucifredi <flucifredi acm org> wrote:
> Hello guys,
>  does anyone here know why in RHEL 4 64 AS I am seeing IA32e as a target
> instead of the usual x86_64 ? is RedHat considering those synonymous, or
> is there any difference between the two I should account for when
> managing such packages ?
>

ia32e is the name Redhat gave to the Intel EM64T platform.

This is somewhat compatable with the x86_64 platform - so that in most
cases the x86_64 RPMs will run on an EM64T.

Noticable differences are the Linux kernel - where the memory
controller and NUMA support is different, and packages that use some
of the various Intel/AMD specific extensions ie, SSE3 vs. 3Dnow!.


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richard offer @ gmail                   "Specialization is for insects"