On Thu, May 23, 2024 at 7:38 AM James Almer <jamr...@gmail.com> wrote:
> On 5/21/2024 10:01 PM, Ronald S. Bultje wrote: > > Hi, > > > > On Tue, May 21, 2024 at 8:01 PM Stone Chen <chen.stonec...@gmail.com> > wrote: > > > >> Implements AVX2 DMVR (decoder-side motion vector refinement) SAD > >> functions. DMVR SAD is only calculated if w >= 8, h >= 8, and w * h > > 128. > >> To reduce complexity, SAD is only calculated on even rows. This is > >> calculated for all video bitdepths, but the values passed to the > function > >> are always 16bit (even if the original video bitdepth is 8). The AVX2 > >> implementation uses min/max/sub. > >> > >> Additionally this changes parameters dx and dy from int to intptr_t. > This > >> allows dx & dy to be used as pointer offsets without needing to use > movsxd. > >> > >> Benchmarks ( AMD 7940HS ) > >> Before: > >> BQTerrace_1920x1080_60_10_420_22_RA.vvc | 106.0 | > >> Chimera_8bit_1080P_1000_frames.vvc | 204.3 | > >> NovosobornayaSquare_1920x1080.bin | 197.3 | > >> RitualDance_1920x1080_60_10_420_37_RA.266 | 174.0 | > >> > >> After: > >> BQTerrace_1920x1080_60_10_420_22_RA.vvc | 109.3 | > >> Chimera_8bit_1080P_1000_frames.vvc | 216.0 | > >> NovosobornayaSquare_1920x1080.bin | 204.0| > >> RitualDance_1920x1080_60_10_420_37_RA.266 | 181.7 | > >> --- > >> libavcodec/vvc/dsp.c | 2 +- > >> libavcodec/vvc/dsp.h | 2 +- > >> libavcodec/x86/vvc/Makefile | 3 +- > >> libavcodec/x86/vvc/vvc_sad.asm | 130 +++++++++++++++++++++++++++++++ > >> libavcodec/x86/vvc/vvcdsp_init.c | 6 ++ > >> 5 files changed, 140 insertions(+), 3 deletions(-) > >> create mode 100644 libavcodec/x86/vvc/vvc_sad.asm > >> > > > > LGTM. > > > > Ronald > > Implemented my changes and applied. > Thank you, Ronald, Andreas, and James. Hi Stone, Congratulations on surviving your first crossfire! _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
