<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
<title></title>
</head>
<body bgcolor="#ffffff" text="#000000">
Hi all,<br>
<br>
I'm using 'show translation' to help dimension my system, but I
confused by the results I get. My 2 test systems (results below): an
AthlonXP 2000+ (1.3GHz) and a Pentium D930 (duo-core, 3.0GHz) produced
similar results (D930 is slightly faster). Googling shows that others
have similar results running on other CPU speeds >2.0GHz.<br>
<br>
At first glance, it would look like the AthlonXP gives better bang for
the buck :). But, I'm sure that are other reasons. I know show
translation times how long it takes a convert 1s of full duplex audio.
I suspect the test is using a single CPU (since it's in a single
thread) and there are some constant overheads that makes a 3.0GHz
produce the same numbers as a 1.3GHz.<br>
<br>
I would love to hear how others are using the results from show
translation in system dimensioning. So far, I feel that dimensioning an
Asterisk box is still mostly guesstimation :). Currently, I'm using the
30MHz per call rule to dimension.<br>
<br>
Leo<br>
<br>
Results from show translation:<br>
On the athlon:<br>
<tt> g723 gsm ulaw alaw g726 adpcm slin lpc10 g729
speex ilbc<br>
g723 - 3 2 2 2 2 1 3 10 11
13<br>
gsm - - 2 2 2 2 1 3 10 11
13<br>
ulaw - 3 - 1 2 2 1 3 10 11
13<br>
alaw - 3 1 - 2 2 1 3 10 11
13<br>
g726 - 3 2 2 - 2 1 3 10 11
13<br>
adpcm - 3 2 2 2 - 1 3 10 11
13<br>
slin - 2 1 1 1 1 - 2 9 10
12<br>
lpc10 - 4 3 3 3 3 2 - 11 12
14<br>
g729 - 4 3 3 3 3 2 4 - 12
14<br>
speex - 4 3 3 3 3 2 4 11 -
14<br>
ilbc - 4 3 3 3 3 2 4 11 12
-<br>
</tt><br>
<br>
On the D930:<br>
<tt> g723 gsm ulaw alaw g726 adpcm slin lpc10 g729
speex ilbc<br>
g723 - - - - - - - - - -
-<br>
gsm - - 2 2 2 2 1 5 9 10
14<br>
ulaw - 2 - 1 2 2 1 5 9 10
14<br>
alaw - 2 1 - 2 2 1 5 9 10
14<br>
g726 - 2 2 2 - 2 1 5 9 10
14<br>
adpcm - 2 2 2 2 - 1 5 9 10
14<br>
slin - 1 1 1 1 1 - 4 8 9
13<br>
lpc10 - 3 3 3 3 3 2 - 10 11
15<br>
g729 - 3 3 3 3 3 2 6 - 11
15<br>
speex - 3 3 3 3 3 2 6 10 -
15<br>
ilbc - 3 3 3 3 3 2 6 10 11
-</tt><br>
<br>
<br>
<br>
<br>
</body>
</html>