[Asterisk-Users] speex
Adam Hart
adam at teragen.com.au
Mon May 17 17:20:31 MST 2004
Btw, Good work. 5ms is a huge different, espically in optimizing terms.
I've added a few flags and shaved off another ms
here's my flags: (only for p4/xeon)
-fPIC -O3 -march=pentium4 -funroll-loops -fomit-frame-pointer -msse
-msse2 -mfpmath=sse
keep up the good work,
Adam
brian k. west wrote:
> Yes I realized my error in my wording but it was early :P It doesn't
> improve alot but does give you some ways to get a better idea of translation
> times if your box is loaded up with calls.
>
> bkw
> PS this patch was added to CVS-HEAD
>
> ----- Original Message -----
> From: "Adam Hart" <adam at teragen.com.au>
> To: <asterisk-users at lists.digium.com>
> Sent: Monday, May 17, 2004 5:49 PM
> Subject: Re: [Asterisk-Users] speex
>
>
>
>>Actually it encodes a second of data, which with a 20ms codec would be
>>50 frames. The timing shows better than expected results due to caching.
>>
>>-Adam
>>
>>brian wrote:
>>
>>
>>>http://asterisk.bkw.org/diff/translate.patch.txt
>>>
>>>If you try that patch out it adds a nice feature...
>>>
>>>show translation recalc [xx]
>>>
>>>You can throw more than 1 sample thru it and recalculate your
>
> translation
>
>>>matrix. It also allows you to see TRUE translation under a load or just
>>>when ever you feel like seeing them updated. When * loads the codec it
>>>shoot one frame thru and times it. Now under real world scenarios you
>
> will
>
>>>be shooting more than one frame thru so LETS have the option to update
>
> the
>
>>>matrix with these types of tests. 200 is the max.
>>>
>>>bkw
>>>
>>>
>>>
>>>
>>>>-----Original Message-----
>>>>From: asterisk-users-admin at lists.digium.com [mailto:asterisk-users-
>>>>admin at lists.digium.com] On Behalf Of James H. Cloos Jr.
>>>>Sent: Monday, May 17, 2004 11:24 AM
>>>>To: asterisk-users at lists.digium.com
>>>>Subject: [Asterisk-Users] speex
>>>>
>>>>Just a suggestion to anyone using speex:
>>>>
>>>>Try running the 1.1.5 or svn code rather than 1.0.3.
>>>>
>>>>As a quick example, here are the show translation outputs from * on a
>>>>2.8 GHz P4 with speex 1.0.3 (from debian sid's .deb) and from 1.1.5
>>>>(compiled with CFLAGS=-march=pentium4 and --enable-sse).
>>>>
>>>>Note how encoding from slin went from 25 to 15 ms. That is from the
>>>>re-write of the sse optimized routines in libspeex. The % change is
>>>>similar to what I saw on my p3 notebook, where both 1.0.3 and 1.1.5
>>>>were compiled with --enable-sse and -march=pentium3.
>>>>
>>>>(As a side note, these were captured before Brian's ilbc Makefile
>>>>patch made it to the anon cvs tree; that optimization shaved 5ms
>>>>off the time to encode to iLBC on that box.)
>>>>
>>>>spx103*CLI> show translation
>>>> Translation times between formats (in milliseconds)
>>>> Source Format (Rows) Destination Format(Columns)
>>>>
>>>> G723 GSM ULAW ALAW G726 ADPCM SLINR LPC10 G729A SPEEX
>
> ILBC
>
> 23 - - - - - - - - - - -
>
>>>> GSM - - 2 2 2 2 1 6 - 26
>
> 19
>
>>>> ULAW - 3 - 1 2 2 1 6 - 26
>
> 19
>
>>>> ALAW - 3 1 - 2 2 1 6 - 26
>
> 19
>
>>>> G726 - 3 2 2 - 2 1 6 - 26
>
> 19
>
>>>> ADPCM - 3 2 2 2 - 1 6 - 26
>
> 19
>
>>>> SLINR - 2 1 1 1 1 - 5 - 25
>
> 18
>
>>>> LPC10 - 4 3 3 3 3 2 - - 27
>
> 20
>
> 9A - - - - - - - - - - -
>
>>>> SPEEX - 3 2 2 2 2 1 6 - -
>
> 19
>
>>>> ILBC - 5 4 4 4 4 3 8 -
>
> 8 -
>
>>>>spx115*CLI> show translation
>>>> Translation times between formats (in milliseconds)
>>>> Source Format (Rows) Destination Format(Columns)
>>>>
>>>> G723 GSM ULAW ALAW G726 ADPCM SLINR LPC10 G729A SPEEX
>
> ILBC
>
> 23 - - - - - - - - - - -
>
>>>> GSM - - 2 2 2 2 1 6 - 16
>
> 19
>
>>>> ULAW - 3 - 1 2 2 1 6 - 16
>
> 19
>
>>>> ALAW - 3 1 - 2 2 1 6 - 16
>
> 19
>
>>>> G726 - 3 2 2 - 2 1 6 - 16
>
> 19
>
>>>> ADPCM - 3 2 2 2 - 1 6 - 16
>
> 19
>
>>>> SLINR - 2 1 1 1 1 - 5 - 15
>
> 18
>
>>>> LPC10 - 4 3 3 3 3 2 - - 17
>
> 20
>
> 9A - - - - - - - - - - -
>
>>>> SPEEX - 3 2 2 2 2 1 6 - -
>
> 19
>
>>>> ILBC - 5 4 4 4 4 3 8 -
>
> 8 -
>
>>>>
>>>>-JimC
>>>>--
>>>>James H. Cloos, Jr. <cloos at jhcloos.com> <http://jhcloos.com/voip>
>>>>_______________________________________________
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>>>
>>>
>>>
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>>
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