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Andreas Rheinhardt f5ed254528 swscale/x86/yuv2yuvX: Port ff_yuv2yuvX_mmxext to SSE2 
The mmx function performs two registers in parallel;
given the larger register size of SSE2, the same amount
of data can be processed in one register with some speedups.
(Given that this function is used for tail-processing,
not processing more data is important.)

Switching to SSE2 also fixes a bug introduced in
554c2bc708: Since said
commit, only half the dither values were used. This
seems not to matter in practice, as the functions here
use dither only in the following form:
((filtersize-1)*8+dither)>>4. The dither values used
here come from ff_dither_8x8_128 which has the property
that ff_dither_8x8_128[i][j] and ff_dither_8x8_128[i][j+4]
always lead to the same result in the above formula.

Old benchmarks:
yuv2yuvX_8_2_0_512_approximate_c:                     2309.9 ( 1.00x)
yuv2yuvX_8_2_0_512_approximate_mmxext:                 250.2 ( 9.23x)
yuv2yuvX_8_2_0_512_approximate_sse3:                    98.8 (23.39x)
yuv2yuvX_8_2_0_512_approximate_avx2:                    52.9 (43.63x)
yuv2yuvX_8_2_16_512_approximate_c:                    2263.0 ( 1.00x)
yuv2yuvX_8_2_16_512_approximate_mmxext:                245.3 ( 9.22x)
yuv2yuvX_8_2_16_512_approximate_sse3:                  114.3 (19.80x)
yuv2yuvX_8_2_16_512_approximate_avx2:                   85.6 (26.45x)
yuv2yuvX_8_2_32_512_approximate_c:                    2155.8 ( 1.00x)
yuv2yuvX_8_2_32_512_approximate_mmxext:                235.6 ( 9.15x)
yuv2yuvX_8_2_32_512_approximate_sse3:                   93.6 (23.04x)
yuv2yuvX_8_2_32_512_approximate_avx2:                   78.1 (27.60x)
yuv2yuvX_8_2_48_512_approximate_c:                    2084.8 ( 1.00x)
yuv2yuvX_8_2_48_512_approximate_mmxext:                230.2 ( 9.05x)
yuv2yuvX_8_2_48_512_approximate_sse3:                  105.0 (19.85x)
yuv2yuvX_8_2_48_512_approximate_avx2:                   71.9 (29.00x)
yuv2yuvX_8_4_0_512_approximate_c:                     3496.3 ( 1.00x)
yuv2yuvX_8_4_0_512_approximate_mmxext:                 455.0 ( 7.68x)
yuv2yuvX_8_4_0_512_approximate_sse3:                   157.5 (22.20x)
yuv2yuvX_8_4_0_512_approximate_avx2:                    88.4 (39.53x)
yuv2yuvX_8_4_16_512_approximate_c:                    3380.9 ( 1.00x)
yuv2yuvX_8_4_16_512_approximate_mmxext:                440.0 ( 7.68x)
yuv2yuvX_8_4_16_512_approximate_sse3:                  175.0 (19.32x)
yuv2yuvX_8_4_16_512_approximate_avx2:                  134.1 (25.22x)
yuv2yuvX_8_4_32_512_approximate_c:                    3277.6 ( 1.00x)
yuv2yuvX_8_4_32_512_approximate_mmxext:                427.2 ( 7.67x)
yuv2yuvX_8_4_32_512_approximate_sse3:                  149.7 (21.89x)
yuv2yuvX_8_4_32_512_approximate_avx2:                  115.5 (28.37x)
yuv2yuvX_8_4_48_512_approximate_c:                    3167.8 ( 1.00x)
yuv2yuvX_8_4_48_512_approximate_mmxext:                414.9 ( 7.63x)
yuv2yuvX_8_4_48_512_approximate_sse3:                  164.1 (19.31x)
yuv2yuvX_8_4_48_512_approximate_avx2:                  101.2 (31.30x)
yuv2yuvX_8_8_0_512_approximate_c:                     5987.5 ( 1.00x)
yuv2yuvX_8_8_0_512_approximate_mmxext:                 854.1 ( 7.01x)
yuv2yuvX_8_8_0_512_approximate_sse3:                   294.6 (20.32x)
yuv2yuvX_8_8_0_512_approximate_avx2:                   144.1 (41.56x)
yuv2yuvX_8_8_16_512_approximate_c:                    5848.9 ( 1.00x)
yuv2yuvX_8_8_16_512_approximate_mmxext:                834.4 ( 7.01x)
yuv2yuvX_8_8_16_512_approximate_sse3:                  312.1 (18.74x)
yuv2yuvX_8_8_16_512_approximate_avx2:                  214.9 (27.22x)
yuv2yuvX_8_8_32_512_approximate_c:                    5610.1 ( 1.00x)
yuv2yuvX_8_8_32_512_approximate_mmxext:                811.6 ( 6.91x)
yuv2yuvX_8_8_32_512_approximate_sse3:                  277.5 (20.21x)
yuv2yuvX_8_8_32_512_approximate_avx2:                  189.8 (29.55x)
yuv2yuvX_8_8_48_512_approximate_c:                    5415.8 ( 1.00x)
yuv2yuvX_8_8_48_512_approximate_mmxext:                782.3 ( 6.92x)
yuv2yuvX_8_8_48_512_approximate_sse3:                  289.4 (18.72x)
yuv2yuvX_8_8_48_512_approximate_avx2:                  165.3 (32.76x)
yuv2yuvX_8_16_0_512_approximate_c:                   11100.7 ( 1.00x)
yuv2yuvX_8_16_0_512_approximate_mmxext:               1682.1 ( 6.60x)
yuv2yuvX_8_16_0_512_approximate_sse3:                  558.8 (19.86x)
yuv2yuvX_8_16_0_512_approximate_avx2:                  280.1 (39.63x)
yuv2yuvX_8_16_16_512_approximate_c:                  10772.1 ( 1.00x)
yuv2yuvX_8_16_16_512_approximate_mmxext:              1611.0 ( 6.69x)
yuv2yuvX_8_16_16_512_approximate_sse3:                 578.1 (18.63x)
yuv2yuvX_8_16_16_512_approximate_avx2:                 418.8 (25.72x)
yuv2yuvX_8_16_32_512_approximate_c:                  10381.5 ( 1.00x)
yuv2yuvX_8_16_32_512_approximate_mmxext:              1560.4 ( 6.65x)
yuv2yuvX_8_16_32_512_approximate_sse3:                 525.8 (19.74x)
yuv2yuvX_8_16_32_512_approximate_avx2:                 370.7 (28.01x)
yuv2yuvX_8_16_48_512_approximate_c:                  10046.1 ( 1.00x)
yuv2yuvX_8_16_48_512_approximate_mmxext:              1512.4 ( 6.64x)
yuv2yuvX_8_16_48_512_approximate_sse3:                 546.0 (18.40x)
yuv2yuvX_8_16_48_512_approximate_avx2:                 315.0 (31.89x)

New benchmarks:
yuv2yuvX_8_2_0_512_approximate_c:                     2302.5 ( 1.00x)
yuv2yuvX_8_2_0_512_approximate_sse2:                   184.4 (12.49x)
yuv2yuvX_8_2_0_512_approximate_sse3:                   100.1 (23.01x)
yuv2yuvX_8_2_0_512_approximate_avx2:                    54.9 (41.98x)
yuv2yuvX_8_2_16_512_approximate_c:                    2224.6 ( 1.00x)
yuv2yuvX_8_2_16_512_approximate_sse2:                  180.0 (12.36x)
yuv2yuvX_8_2_16_512_approximate_sse3:                  109.5 (20.31x)
yuv2yuvX_8_2_16_512_approximate_avx2:                   81.3 (27.35x)
yuv2yuvX_8_2_32_512_approximate_c:                    2165.3 ( 1.00x)
yuv2yuvX_8_2_32_512_approximate_sse2:                  176.6 (12.26x)
yuv2yuvX_8_2_32_512_approximate_sse3:                   93.7 (23.11x)
yuv2yuvX_8_2_32_512_approximate_avx2:                   73.1 (29.61x)
yuv2yuvX_8_2_48_512_approximate_c:                    2088.0 ( 1.00x)
yuv2yuvX_8_2_48_512_approximate_sse2:                  170.7 (12.23x)
yuv2yuvX_8_2_48_512_approximate_sse3:                  103.4 (20.20x)
yuv2yuvX_8_2_48_512_approximate_avx2:                   69.4 (30.10x)
yuv2yuvX_8_4_0_512_approximate_c:                     3496.8 ( 1.00x)
yuv2yuvX_8_4_0_512_approximate_sse2:                   320.3 (10.92x)
yuv2yuvX_8_4_0_512_approximate_sse3:                   158.8 (22.02x)
yuv2yuvX_8_4_0_512_approximate_avx2:                    86.4 (40.49x)
yuv2yuvX_8_4_16_512_approximate_c:                    3443.5 ( 1.00x)
yuv2yuvX_8_4_16_512_approximate_sse2:                  325.3 (10.59x)
yuv2yuvX_8_4_16_512_approximate_sse3:                  171.9 (20.03x)
yuv2yuvX_8_4_16_512_approximate_avx2:                  123.6 (27.85x)
yuv2yuvX_8_4_32_512_approximate_c:                    3272.2 ( 1.00x)
yuv2yuvX_8_4_32_512_approximate_sse2:                  302.7 (10.81x)
yuv2yuvX_8_4_32_512_approximate_sse3:                  148.9 (21.98x)
yuv2yuvX_8_4_32_512_approximate_avx2:                  110.6 (29.58x)
yuv2yuvX_8_4_48_512_approximate_c:                    3166.3 ( 1.00x)
yuv2yuvX_8_4_48_512_approximate_sse2:                  291.0 (10.88x)
yuv2yuvX_8_4_48_512_approximate_sse3:                  162.9 (19.44x)
yuv2yuvX_8_4_48_512_approximate_avx2:                  102.3 (30.95x)
yuv2yuvX_8_8_0_512_approximate_c:                     5967.6 ( 1.00x)
yuv2yuvX_8_8_0_512_approximate_sse2:                   691.2 ( 8.63x)
yuv2yuvX_8_8_0_512_approximate_sse3:                   294.2 (20.28x)
yuv2yuvX_8_8_0_512_approximate_avx2:                   154.9 (38.52x)
yuv2yuvX_8_8_16_512_approximate_c:                    5780.2 ( 1.00x)
yuv2yuvX_8_8_16_512_approximate_sse2:                  606.2 ( 9.53x)
yuv2yuvX_8_8_16_512_approximate_sse3:                  309.3 (18.69x)
yuv2yuvX_8_8_16_512_approximate_avx2:                  208.7 (27.69x)
yuv2yuvX_8_8_32_512_approximate_c:                    5604.3 ( 1.00x)
yuv2yuvX_8_8_32_512_approximate_sse2:                  592.3 ( 9.46x)
yuv2yuvX_8_8_32_512_approximate_sse3:                  281.1 (19.94x)
yuv2yuvX_8_8_32_512_approximate_avx2:                  185.4 (30.23x)
yuv2yuvX_8_8_48_512_approximate_c:                    5413.7 ( 1.00x)
yuv2yuvX_8_8_48_512_approximate_sse2:                  570.4 ( 9.49x)
yuv2yuvX_8_8_48_512_approximate_sse3:                  294.9 (18.36x)
yuv2yuvX_8_8_48_512_approximate_avx2:                  166.5 (32.51x)
yuv2yuvX_8_16_0_512_approximate_c:                   11099.4 ( 1.00x)
yuv2yuvX_8_16_0_512_approximate_sse2:                 1213.6 ( 9.15x)
yuv2yuvX_8_16_0_512_approximate_sse3:                  563.0 (19.72x)
yuv2yuvX_8_16_0_512_approximate_avx2:                  294.8 (37.65x)
yuv2yuvX_8_16_16_512_approximate_c:                  10718.1 ( 1.00x)
yuv2yuvX_8_16_16_512_approximate_sse2:                1121.2 ( 9.56x)
yuv2yuvX_8_16_16_512_approximate_sse3:                 563.7 (19.01x)
yuv2yuvX_8_16_16_512_approximate_avx2:                 389.5 (27.51x)
yuv2yuvX_8_16_32_512_approximate_c:                  10373.3 ( 1.00x)
yuv2yuvX_8_16_32_512_approximate_sse2:                1096.2 ( 9.46x)
yuv2yuvX_8_16_32_512_approximate_sse3:                 526.7 (19.70x)
yuv2yuvX_8_16_32_512_approximate_avx2:                 354.7 (29.24x)
yuv2yuvX_8_16_48_512_approximate_c:                  10066.9 ( 1.00x)
yuv2yuvX_8_16_48_512_approximate_sse2:                1055.8 ( 9.53x)
yuv2yuvX_8_16_48_512_approximate_sse3:                 527.9 (19.07x)
yuv2yuvX_8_16_48_512_approximate_avx2:                 313.7 (32.09x)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2026-04-26 23:48:21 +02:00
..
api avcodec/tests: add encoder-parser API test for H.261 2026-03-29 23:01:39 +00:00
checkasm swscale/x86/yuv2yuvX: Port ff_yuv2yuvX_mmxext to SSE2 2026-04-26 23:48:21 +02:00
fate tests/fate/mpegts: add tests for LCEVC samples 2026-04-24 16:04:48 -03:00
filtergraphs tests/fate: add fate test for excessive frame buffering when using filters 2025-07-14 22:05:11 +02:00
maps
ref tests/fate/mpegts: add tests for LCEVC samples 2026-04-24 16:04:48 -03:00
streamgroups tests/fate/iamf: add tests for Projection mode ambisonic Audio Elements 2025-12-29 12:02:53 -03:00
.gitignore
audiogen.c
audiomatch.c
base64.c
copycooker.sh
extended.ffconcat all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
fate-run.sh libavformat/oggenc.c: re-initialize stream on new metadata. 2026-02-18 16:25:06 +00:00
fate-valgrind.supp
fate.sh fate.sh: Allow specifying --ar through a separate variable 2025-12-19 18:41:23 +00:00
Makefile tests/fate: Add SBC tests 2026-03-28 11:25:38 +01:00
md5.sh
refcmp-metadata.awk
reference.pnm
rotozoom.c
simple1.ffconcat all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
simple2.ffconcat all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
test.ffmeta
tiny_psnr.c
tiny_ssim.c
utils.c
videogen.c