[FFmpeg-devel] [PATCH v2] avcodec/fft_template: libavcodec/fft_template: improve performance of the ff_fft_init in fft_template

Paul B Mahol onemda at gmail.com
Sun Dec 23 23:08:43 EET 2018


On 12/21/18, Steven Liu <lq at chinaffmpeg.org> wrote:
> Before patch:
> init nbits = 17, get 10000 samples, average cost: 16105 us
> After patch:
> init nbits = 17, get 10000 samples, average cost: 15221 us
>
> Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
> ---
>  libavcodec/fft_template.c | 26 +++++++++++++++-----------
>  1 file changed, 15 insertions(+), 11 deletions(-)

Probably OK, but maybe Michael want to add something?


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