[FFmpeg-devel] [PATCH 4/4] armv6: Accelerate butterflies_float

[Michael Niedermayer]

On Fri, Jul 11, 2014 at 12:14:31AM +0100, Ben Avison wrote:
> I benchmarked the result by measuring the number of gperftools samples that
> hit anywhere in the AAC decoder (starting from aac_decode_frame()) or
> specifically in butterflies_float_c() / ff_butterflies_float_vfp() for the
> same sample AAC stream:
> 
>                    Before          After
>                    Mean   StdDev   Mean   StdDev  Confidence  Change
> Audio decode       1542.8 43.7     1470.5 41.5    100.0%      +4.9%
> butterflies_float  130.0  11.9     70.2   12.1    100.0%      +85.2%
> ---
>  libavutil/arm/float_dsp_init_vfp.c |    4 +
>  libavutil/arm/float_dsp_vfp.S      |  116 ++++++++++++++++++++++++++++++++++++
>  2 files changed, 120 insertions(+), 0 deletions(-)

applied

thanks

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
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