[Asterisk-Users] How "expensive"are thedifferent codecs?(Regarding CPU time)

[Jim Van Meggelen]

asterisk-users-bounces at lists.digium.com wrote:
> Jim Van Meggelen schrieb:
> 
>> You understand. I was kidding a little bit, but yes, I am also
>> wondering just what things can be done to get a slower machine to
>> work as well as possible.
> 
> Okay. So lets try.

What are you running in terms of a kernel or distro?

>>>> Have you tried running Asterisk at pseudo-realtime priority?
>>>> (asterisk -p)
>>> 
>>> That helps in one way: At the moment my system is doing its morning
>>> routine. That means it makes a tar archieve of my /home directory to
>>> my backup drive. With the -p option the "show translation"-values
>>> are equal to the values when my system is idle.
>>> 
>> 
>> And otherwise not?
> 
> Otherwise - without the -p option - the system had values of 400ms
> (and higher) converting speex when it wasn't idle. Now the value
> is constantly at about 210.

Nice. The system is now giving Asterisk the priority it needs. Don't
forget to change that in your rc.local, or wherever you're starting
Asterisk from.

>>> I guess this option could help me a lot regarding the sound
>>> problems I got sometimes.
>> 
>> Yes, it might help a lot.
> 
> I will see when doing some calls over sip (there I had the most
> problems). Maybe at the evening. Now I have to breakfast, shower and
> go to work.

And I need to go to bed!

Cheers,

Jim.