[Asterisk-Users] speex
brian k. west
brian at bkw.org
Mon May 17 18:26:07 MST 2004
I toyed with -msse and -mmmx and others too but couldn't put any of those
in. :P
bkw
----- Original Message -----
From: "Adam Hart" <adam at teragen.com.au>
To: <asterisk-users at lists.digium.com>
Sent: Monday, May 17, 2004 6:20 PM
Subject: Re: [Asterisk-Users] speex
> 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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