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FFmpeg/libavutil/x86

History

Ronald S. Bultje f0a2b6249b vp9: add 16x16 idct avx2 (8-bit). ... checkasm --bench, 10k runs, for *_add_${bpc}_${sub_idct}_${opt}, shows that it's about 1.65x as fast as the AVX version for the full IDCT, and similar speedups for the sub-IDCTs: nop: 24.6 vp9_inv_dct_dct_16x16_add_8_1_c: 6444.8 vp9_inv_dct_dct_16x16_add_8_1_sse2: 638.6 vp9_inv_dct_dct_16x16_add_8_1_ssse3: 484.4 vp9_inv_dct_dct_16x16_add_8_1_avx: 661.2 vp9_inv_dct_dct_16x16_add_8_1_avx2: 311.5 vp9_inv_dct_dct_16x16_add_8_2_c: 6665.7 vp9_inv_dct_dct_16x16_add_8_2_sse2: 646.9 vp9_inv_dct_dct_16x16_add_8_2_ssse3: 455.2 vp9_inv_dct_dct_16x16_add_8_2_avx: 521.9 vp9_inv_dct_dct_16x16_add_8_2_avx2: 304.3 vp9_inv_dct_dct_16x16_add_8_4_c: 7022.7 vp9_inv_dct_dct_16x16_add_8_4_sse2: 647.4 vp9_inv_dct_dct_16x16_add_8_4_ssse3: 467.1 vp9_inv_dct_dct_16x16_add_8_4_avx: 446.1 vp9_inv_dct_dct_16x16_add_8_4_avx2: 297.0 vp9_inv_dct_dct_16x16_add_8_8_c: 6800.4 vp9_inv_dct_dct_16x16_add_8_8_sse2: 598.6 vp9_inv_dct_dct_16x16_add_8_8_ssse3: 465.7 vp9_inv_dct_dct_16x16_add_8_8_avx: 440.9 vp9_inv_dct_dct_16x16_add_8_8_avx2: 290.2 vp9_inv_dct_dct_16x16_add_8_16_c: 6626.6 vp9_inv_dct_dct_16x16_add_8_16_sse2: 599.5 vp9_inv_dct_dct_16x16_add_8_16_ssse3: 475.0 vp9_inv_dct_dct_16x16_add_8_16_avx: 469.9 vp9_inv_dct_dct_16x16_add_8_16_avx2: 286.4		8 years ago
..
Makefile	…
asm.h	asm: FF_-prefix internal macros used in inline assembly	9 years ago
bswap.h	…
cpu.c	asm: FF_-prefix internal macros used in inline assembly	9 years ago
cpu.h	x86: add some more helper macros to check for slow cpuflags	9 years ago
cpuid.asm	…
emms.asm	…
emms.h	x86/emms: empty the mmx state unconditionally on supported targets	9 years ago
fixed_dsp.asm	…
fixed_dsp_init.c	…
float_dsp.asm	…
float_dsp_init.c	x86: use the new helper macros where useful	9 years ago
intmath.h	lavu/intmath.h: fix compilation with msvc10.	9 years ago
intreadwrite.h	…
lls.asm	…
lls_init.c	x86: use the new helper macros where useful	9 years ago
pixelutils.asm	…
pixelutils.h	…
pixelutils_init.c	…
timer.h	…
w64xmmtest.h	all: Add missing header guards	9 years ago
x86inc.asm	x86inc: Enable AVX emulation in additional cases	9 years ago
x86util.asm	vp9: add 16x16 idct avx2 (8-bit).	8 years ago