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${ noResults }
6 Commits (0e18f1e9a3c1abefc0a945727490550427cee2cb)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Andreas Rheinhardt
|
24936a9fbb |
avfilter/vf_gblur: Move ff_gblur_init into a header
This removes a dependency of checkasm on lavfi/vf_gblur.o and also allows to inline ff_gblur_init() irrespectively of interposing. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> |
3 years ago |
Wu Jianhua
|
4041c1029b |
libavfilter/x86/vf_gblur: add localbuf and ff_horiz_slice_avx2/512()
We introduced a ff_horiz_slice_avx2/512() implemented on a new algorithm. In a nutshell, the new algorithm does three things, gathering data from 8/16 rows, blurring data, and scattering data back to the image buffer. Here we used a customized transpose 8x8/16x16 to avoid the huge overhead brought by gather and scatter instructions, which is dependent on the temporary buffer called localbuf added newly. Performance data: ff_horiz_slice_avx2(old): 109.89 ff_horiz_slice_avx2(new): 666.67 ff_horiz_slice_avx512: 1000 Co-authored-by: Cheng Yanfei <yanfei.cheng@intel.com> Co-authored-by: Jin Jun <jun.i.jin@intel.com> Signed-off-by: Wu Jianhua <jianhua.wu@intel.com> |
3 years ago |
|
Wu Jianhua
|
68a2722aee |
libavfilter/x86/vf_gblur: add ff_verti_slice_avx2/512()
The new vertical slice with AVX2/512 acceleration can significantly improve the performance of Gaussian Filter 2D. Performance data: ff_verti_slice_c: 32.57 ff_verti_slice_avx2: 476.19 ff_verti_slice_avx512: 833.33 Co-authored-by: Cheng Yanfei <yanfei.cheng@intel.com> Co-authored-by: Jin Jun <jun.i.jin@intel.com> Signed-off-by: Wu Jianhua <jianhua.wu@intel.com> |
3 years ago |
Paul B Mahol
|
058db59e16 |
avfilter/vf_gblur: factor out postscale function
|
4 years ago |
|
Paul B Mahol
|
34922dffca |
avfilter/vf_gblur: add float format support
|
4 years ago |
Ruiling Song
|
83f9da7768 |
avfilter/vf_gblur: add x86 SIMD optimizations
The horizontal pass get ~2x performance with the patch under single thread. Tested overall performance using the command(avx2 enabled): ./ffmpeg -i 1080p.mp4 -vf gblur -f null /dev/null ./ffmpeg -i 1080p.mp4 -vf gblur=threads=1 -f null /dev/null For single thread, the fps improves from 43 to 60, about 40%. For multi-thread, the fps improves from 110 to 130, about 20%. Signed-off-by: Ruiling Song <ruiling.song@intel.com> |
6 years ago |