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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 |
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.. | ||
asm.h | ||
bswap.h | ||
cpu.c | ||
cpu.h | ||
cpuid.asm | ||
emms.asm | ||
emms.h | ||
fixed_dsp_init.c | ||
fixed_dsp.asm | ||
float_dsp_init.c | ||
float_dsp.asm | ||
intmath.h | ||
intreadwrite.h | ||
lls_init.c | ||
lls.asm | ||
Makefile | ||
pixelutils_init.c | ||
pixelutils.asm | ||
pixelutils.h | ||
timer.h | ||
w64xmmtest.h | ||
x86inc.asm | ||
x86util.asm |