[FFmpeg-devel] [PATCH v3] avcodec/fft_template: improve performance of the ff_fft_init in fft_template
Michael Niedermayer
michael at niedermayer.cc
Thu Jan 3 21:01:47 EET 2019
On Wed, Dec 26, 2018 at 04:15:27PM +0800, Steven Liu wrote:
> Before patch:
> init nbits = 17, get 10000 samples, average cost: 16175 us
> After patch:
> init nbits = 17, get 10000 samples, average cost: 14989 us
>
> Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
> ---
> libavcodec/fft_template.c | 46 +++++++++++++++++++++++++++++++++++-----------
> 1 file changed, 35 insertions(+), 11 deletions(-)
should be ok
thx
[...]
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