[FFmpeg-devel] [PATCH 3/4] armv6: Accelerate vector_fmul_window

[Michael Niedermayer]

On Fri, Jul 11, 2014 at 12:14:30AM +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 vector_fmul_window_c() / ff_vector_fmul_window_vfp() for the
> same sample AAC stream:
> 
>                     Before          After
>                     Mean   StdDev   Mean   StdDev  Confidence  Change
> Audio decode        1598.2 47.4     1529.2 25.4    100.0%      +4.5%
> vector_fmul_window  244.0  22.1     188.9  22.3    100.0%      +29.2%
> ---
>  libavutil/arm/float_dsp_init_vfp.c |    7 +-
>  libavutil/arm/float_dsp_vfp.S      |  204 ++++++++++++++++++++++++++++++++++++
>  2 files changed, 210 insertions(+), 1 deletions(-)

applied

thanks

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

Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
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