[mythtv-users] SMP Performance

[jack snodgrass]

On 12/12/06, Ryan Duffy <dusteur at excite.com> wrote:
>
>
> Okay, this is getting a bit OT, but its worth mentioning for the record:
>
> > cpufreq-info still shows it only as possibly being 1.0, 1.8 or 2.0GHz.
> > If anyone knows anymore on overclocking in linux,
> /proc/acpi/processor/CPU1/performance gives me the factory speeds for my CPU,however gkrellm with the x86-info plugin (aka gkx86-info) gives the actual speed its running at.
>
> > speed, taking into account that the Opteron's have no PowerNow!
> > feature, which makes me think that for a frontend only machine, you'd
> > may not want to get an Opteron.
>
> Don't know where you got that impression from, but its not true. My Opteron is very happy with its PowerNow functionality and spends about 90% of its time in its lowest power state. All Opterons produced since 2004 are PowerNow enabled.
>

Just wanted to mention that the power now stuff is cool. Lets the system run
at low speed, low heat, low noice ( my fan speed goes up and down as needed )
You can barely tell that my 3 AMD boxes ( all with power now enabled ) are
on when they are idle.  My office stays cool all of the time. When I rip a
DVD or do something that is intensive... the CPUs power up, the fans come
on when they everything goes back to normal when the task is done.

jack

jack