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(parent: 709946b) | patch
FFT: factor a shuffle out of the inner loop and merge it into fft_permute.
authorLoren Merritt <lorenm@u.washington.edu>
Sat, 12 Feb 2011 11:48:16 +0000 (11:48 +0000)
committerMichael Niedermayer <michaelni@gmx.at>
Mon, 14 Feb 2011 22:58:19 +0000 (23:58 +0100)
commit11ab1e409ff272c8c0bce62f48a3767546547c6c
tree611275effddbe66a5075439fedf578c32c7b6463tree | snapshot
parent709946b34ca51518da7dd01c124a0530fa56f8c7commit | diff
FFT: factor a shuffle out of the inner loop and merge it into fft_permute.

6% faster SSE FFT on Conroe, 2.5% on Penryn.

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit e6b1ed693ae4098e6b9eabf938fc31ec0b09b120)
libavcodec/arm/fft_init_arm.c diff | blob | history
libavcodec/fft.c diff | blob | history
libavcodec/fft.h diff | blob | history
libavcodec/mdct.c diff | blob | history
libavcodec/x86/fft.c diff | blob | history
libavcodec/x86/fft_mmx.asm diff | blob | history
external/ffmpeg
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