RobertH wrote:
> i am new to the x86 64 bit centos versions.
>
> ive always used the 32 bit version on industrial type HP hardware
>
> for those of you that are running x86 64 bit centos, other than specific
> hardware issues, are you finding that 5.x centos is better than 4.x centos
> for x86 64 bit processing?
>
> does it matter in the amd vrs intel hardware differences what you choose to
> use for centos version?
>
> other things to make note of?
>
> if i need to be more specific in the general-ness of the approach, please
> let me know.
>
> thanks in advance for feedback.
>
the first generation of Intel Xeon's (based on P4 Prescott) that
supported x86_64 were only slightly faster in 64bit mode than in 32bit
mode, while the AMD Opterons were considerably faster. the newer Intel
Xeons (based on Core2Duo) are quite a bit better.
the latest Intel CPUs are generally faster at most/many things than
AMD's CPUs, however, AMDs CPUs may still do better at scientific type
programming that can't take advantage of the SSE3/etc 'dsp' style
functions. Servers are as much a function of memory and IO bandwidth
as anything, so there's many factors.
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