On Sat, Oct 08, 2016 at 06:42:28PM +0100, Rostislav Pehlivanov wrote: > Performance improvements: > > quant_bands: > with: 681 decicycles in quant_bands, 8388453 runs, 155 skips > without: 1190 decicycles in quant_bands, 8388386 runs, 222 skips > Around 42% for the function > > Twoloop coder: > > abs_pow34: > with/without: 7.82s/8.17s > Around 4% for the entire encoder > > Both: > with/without: 7.15s/8.17s > Around 12% for the entire encoder > > Fast coder: > > abs_pow34: > with/without: 3.40s/3.77s > Around 10% for the entire encoder > > Both: > with/without: 3.02s/3.77s > Around 20% faster for the entire encoder > > Signed-off-by: Rostislav Pehlivanov <atomnu...@gmail.com> > --- > libavcodec/aaccoder.c | 22 ++++---- > libavcodec/aaccoder_trellis.h | 2 +- > libavcodec/aaccoder_twoloop.h | 2 +- > libavcodec/aacenc.c | 4 ++ > libavcodec/aacenc.h | 6 +++ > libavcodec/aacenc_is.c | 6 +-- > libavcodec/aacenc_ltp.c | 4 +- > libavcodec/aacenc_pred.c | 6 +-- > libavcodec/aacenc_quantization.h | 4 +- > libavcodec/aacenc_utils.h | 4 +- > libavcodec/x86/Makefile | 2 + > libavcodec/x86/aacencdsp.asm | 108 > +++++++++++++++++++++++++++++++++++++++ > libavcodec/x86/aacencdsp_init.c | 42 +++++++++++++++ > 13 files changed, 187 insertions(+), 25 deletions(-) > create mode 100644 libavcodec/x86/aacencdsp.asm > create mode 100644 libavcodec/x86/aacencdsp_init.c
libavcodec/x86/aacencdsp.asm:67: error: expression syntax error libavcodec/x86/aacencdsp.asm:79: warning: (RUN_AVX_INSTR:22) use of ``movd'' sse2 instruction in sse function: ff_aac_quantize_bands_sse libavcodec/x86/aacencdsp.asm:99: warning: (RUN_AVX_INSTR:22) use of ``pand'' sse2 instruction in sse function: ff_aac_quantize_bands_sse libavcodec/x86/aacencdsp.asm:103: warning: (RUN_AVX_INSTR:20) use of ``cvttps2dq'' sse2 instruction in sse function: ff_aac_quantize_bands_sse yasm 1.2.0 [...] -- 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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