[Vorbis-dev] [RFC PATCH v1 0/3] Introducing ARM SIMD Support

[Lucas Clemente Vella]

This list is almost dead. I am not sure the vorbis base libs maintainers
are watching this (suposing they are maintained right now), but I find it
very nice to see ARM SIMD support.

2014-10-01 12:05 GMT-03:00 Viswanath Puttagunta <
viswanath.puttagunta at linaro.org>:

> Gentlemen!
>
> Am I at the right place? I posted these patches almost a month ago to "
> vorbis-dev at xiph.org"
>
> I haven't seen any response/reviews about this patch. Neither do I see any
> other emails from this mailing list.
>
> I can see that they got posted
> http://lists.xiph.org/pipermail/vorbis-dev/2014-September/thread.html
>
> Please advise.
>
> Regards,
> Vish (Viswanath Puttagunta)
> Cell: 972-342-0205
> Technical Program Manager
> Member Services, Linaro
>
> On 23 September 2014 15:50, Viswanath Puttagunta <
> viswanath.puttagunta at linaro.org> wrote:
>
>> Hello Vorbis Developers / Monty,
>>
>> Am I at the right place? I posted these patches about 2 weeks ago to "
>> vorbis-dev at xiph.org"
>>
>> I haven't seen any response/reviews about this patch. Neither do I see
>> any other emails from this mailing list.
>>
>> Please advise.
>>
>> Regards,
>> Vish (Viswanath Puttagunta)
>> Cell: 972-342-0205
>> Technical Program Manager
>> Member Services, Linaro
>>
>> On 10 September 2014 14:15, Viswanath Puttagunta <
>> viswanath.puttagunta at linaro.org> wrote:
>>
>>> libvorbis does not currently have any simd/vectorization.
>>>
>>> Following patches add generic framework for simd/vectorization
>>> and on top, add ARM-NEON simd vectorization using intrinsics.
>>>
>>> I was able to get over 34% performance improvement on my
>>> Beaglebone Black which is single Cortex-A8 based CPU.
>>>
>>> You can find more information on metrics and procedure I used
>>> to measure at
>>>
>>> https://wiki.linaro.org/WorkingGroups/Middleware/Graphics/MediaLibs/libvorbis
>>>
>>> As described in above link/doc, you can see my work-in-progress
>>> tree at
>>> https://git.linaro.org/people/viswanath.puttagunta/vorbis.git
>>>
>>> Also what standard should one follow when submitting patches
>>> to libvorbis? I'm pretty sure linux kernel checkpatch.pl will
>>> fail all patches for libvorbis. Please advise.
>>>
>>> Viswanath Puttagunta (3):
>>>   lib/simd: Introduce vectorization framework for libvorbis
>>>   lib/block.c: Use optimized routine for wave_operation
>>>   mdct: implement arm simd implementation for mdct
>>>
>>>  configure.ac         |    5 ++
>>>  lib/Makefile.am      |    6 +-
>>>  lib/block.c          |   14 ++---
>>>  lib/mdct.c           |  102 +-------------------------------
>>>  lib/simd/Makefile.am |    9 +++
>>>  lib/simd/neon_simd.c |  158
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++
>>>  lib/simd/no_simd.c   |  129 +++++++++++++++++++++++++++++++++++++++++
>>>  lib/simd/simd.h      |   40 +++++++++++++
>>>  8 files changed, 351 insertions(+), 112 deletions(-)
>>>  create mode 100644 lib/simd/Makefile.am
>>>  create mode 100644 lib/simd/neon_simd.c
>>>  create mode 100644 lib/simd/no_simd.c
>>>  create mode 100644 lib/simd/simd.h
>>>
>>> --
>>> 1.7.9.5
>>>
>>>
>>
>
> _______________________________________________
> Vorbis-dev mailing list
> Vorbis-dev at xiph.org
> http://lists.xiph.org/mailman/listinfo/vorbis-dev
>
>


-- 
Lucas Clemente Vella
lvella at gmail.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.xiph.org/pipermail/vorbis-dev/attachments/20141001/ee2a8de1/attachment.htm