OsmoBTS -> libosmogsm code migration

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Vadim Yanitskiy axilirator at gmail.com
Wed Oct 12 18:10:33 UTC 2016


I don't know. Maybe Tom has one?
Otherwise I can try to write myself.

Tom Tsou wrote:

> There was a discussion many years ago about puncturing
> inside or outside of the convolutional coder loops. I preferred
> separating puncturing and convolutional coding because of efficiency.
> Using discrete implementations allows faster implementations.


With best regards,
Vadim Yanitskiy.

2016-10-13 0:58 GMT+07:00 Max <msuraev at sysmocom.de>:

> Is there some microbenchmark available? Perhaps we can use it to improve
> generated code?
>
>
> On 10/12/2016 07:51 PM, Vadim Yanitskiy wrote:
> > Hi Max,
> >
> > > Unfortunately I could not find any tests for the code in
> > > question so the only way to test it is by:
> >
> > I uploaded tests recently. You can find them here:
> > https://gerrit.osmocom.org/#/c/933/4/tests/coding/coding_test.c
> >
> > > I think the puncturing code should be part of the library (otherwise
> > > every user will have to reimplement the same thing again and again).
> >
> > I am agree with you. We recently discussed this question with Tom Tsou.
> > He said, that there was some performance related reasons to perform
> > puncturing inside both gsm0503_pdtch_encode() / gsm0503_pdtch_decode().
> >
> >
> > With best regards,
> > Vadim Yanitskiy.
>
> --
> Max Suraev <msuraev at sysmocom.de> http://www.sysmocom.de/
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