Zhao Zhili e250854ecf aarch64/h264pred: disable inefficient functions ... These assembly optimizations have been identified as "performance regressions." Due to advancements in modern CPU micro-architectures and compiler optimization the C implementations now consistently outperform these handwritten routines. Test Name A55-clang M1 A76-gcc-14 A510-clang A715-clang X3-clang -------------------------------------------------------------------------------------------------------------------- pred8x8_dc_8_neon 55.9 ( 0.79x)! 0.2 ( 0.31x)! 35.7 ( 0.63x)! 98.3 ( 0.37x)! 35.9 ( 0.45x)! 33.6 ( 0.38x)! pred8x8_dc_10_neon 57.0 ( 1.04x) 0.3 ( 0.36x)! 35.9 ( 0.94x)! 98.2 ( 0.53x)! 35.8 ( 0.58x)! 33.2 ( 0.50x)! pred8x8_dc_128_8_neon 26.0 ( 0.69x)! 0.1 ( 0.43x)! 15.3 ( 0.73x)! 46.4 ( 0.36x)! 10.6 ( 0.48x)! 10.3 ( 1.09x) pred8x8_dc_128_10_neon 25.3 ( 0.99x)! 0.1 ( 0.42x)! 19.3 ( 0.48x)! 44.5 ( 0.42x)! 10.0 ( 0.61x)! 11.0 ( 1.00x) pred8x8_left_dc_8_neon 46.9 ( 0.72x)! 0.2 ( 0.26x)! 30.2 ( 0.49x)! 71.4 ( 0.39x)! 29.8 ( 0.35x)! 26.5 ( 0.44x)! pred8x8_left_dc_10_neon 45.4 ( 0.82x)! 0.2 ( 0.29x)! 28.1 ( 0.67x)! 70.2 ( 0.47x)! 30.0 ( 0.38x)! 26.5 ( 0.43x)! pred16x16_dc_8_neon 74.4 ( 1.34x) 0.3 ( 0.62x)! 44.7 ( 0.89x)! 128.0 ( 0.79x)! 48.5 ( 0.67x)! 39.4 ( 0.71x)! pred16x16_dc_128_8_neon 37.9 ( 0.79x)! 0.1 ( 0.60x)! 20.1 ( 0.80x)! 41.8 ( 0.46x)! 16.2 ( 0.81x)! 12.8 ( 0.95x)! pred16x16_left_dc_8_neon 69.9 ( 1.19x) 0.3 ( 0.46x)! 49.6 ( 0.54x)! 116.8 ( 0.62x)! 52.8 ( 0.45x)! 44.2 ( 0.51x)! pred8x8_hori_8_neon 30.6 ( 1.39x) 0.1 ( 0.45x)! 19.4 ( 0.81x)! 71.0 ( 0.50x)! 15.9 ( 0.55x)! 12.2 ( 0.94x)! pred8x8_hori_10_neon* 29.3 ( 1.82x) 0.1 ( 0.59x)! 18.5 ( 1.56x) 68.9 ( 0.64x)! 15.8 ( 0.62x)! 11.8 ( 0.97x)! pred8x8_top_dc_8_neon 35.8 ( 0.96x)! 0.1 ( 0.59x)! 16.8 ( 0.81x)! 58.9 ( 0.44x)! 11.3 ( 0.89x)! 11.4 ( 0.99x)! pred8x8_top_dc_10_neon 37.4 ( 1.24x) 0.1 ( 0.92x)! 20.4 ( 0.81x)! 59.5 ( 0.69x)! 10.5 ( 1.48x) 11.8 ( 1.02x) pred8x8_vertical_8_neon 18.3 ( 1.08x) 0.1 ( 0.54x)! 12.8 ( 0.89x)! 37.2 ( 0.40x)! 8.3 ( 0.77x)! 11.2 ( 1.00x) pred8x8_vertical_10_neon 19.0 ( 1.24x) 0.1 ( 0.55x)! 15.3 ( 0.62x)! 39.7 ( 0.50x)! 8.2 ( 0.91x)! 11.1 ( 0.99x)! - pred8x8_horizontal_10 also underperforms on new architectures, but useful on A55 and A76. Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>		2026-02-04 09:06:37 +00:00
..
h26x	aarch64: Fix indentation of a few instructions	2026-01-30 05:21:27 +00:00
vvc	aarch64/vvc: Optimisations of put_luma_v() functions for 10/12-bit	2026-01-08 17:35:55 +00:00
aacencdsp_init.c	avcodec/aarch64/aacencdsp: NEON implementation	2025-01-28 10:44:40 +02:00
aacencdsp_neon.S	avcodec/aarch64/aacencdsp: NEON implementation	2025-01-28 10:44:40 +02:00
aacpsdsp_init_aarch64.c	Include attributes.h directly	2021-04-19 14:34:10 +02:00
aacpsdsp_neon.S	aarch64: Reindent all assembly to 8/24 column indentation	2023-10-21 23:25:54 +03:00
ac3dsp_init_aarch64.c	avcodec/ac3: Implement sum_square_butterfly_float for aarch64 NEON	2024-04-08 13:36:40 +03:00
ac3dsp_neon.S	avcodec/aarch64/ac3dsp_neon.S: Optimize ac3_sum_square_butterfly_int32_neon	2025-03-02 01:17:53 +02:00
cabac.h
fdct.h	lavc/aarch64/fdct: add neon-optimized fdct for aarch64	2024-05-13 14:54:10 +02:00
fdctdsp_init_aarch64.c	lavc/aarch64/fdct: add neon-optimized fdct for aarch64	2024-05-13 14:54:10 +02:00
fdctdsp_neon.S	lavc/aarch64/fdct: add neon-optimized fdct for aarch64	2024-05-13 14:54:10 +02:00
fmtconvert_init.c	avcodec/fmtconvert: Remove unused AVCodecContext parameter	2022-09-21 20:26:40 +02:00
fmtconvert_neon.S
h264chroma_init_aarch64.c	avcodec/h264chroma: Constify src in h264_chroma_mc_func	2022-08-05 03:02:13 +02:00
h264cmc_neon.S	aarch64: Lowercase UXTW/SXTW and similar flags	2023-10-21 23:25:23 +03:00
h264dsp_init_aarch64.c	avcodec/h264dsp: Remove redundant h264 from H264DSPCtx member names	2026-01-25 22:53:25 +01:00
h264dsp_neon.S	aarch64: Make the indentation more consistent	2023-10-21 23:25:29 +03:00
h264idct_neon.S	aarch64: Lowercase UXTW/SXTW and similar flags	2023-10-21 23:25:23 +03:00
h264pred_init.c	aarch64/h264pred: disable inefficient functions	2026-02-04 09:06:37 +00:00
h264pred_neon.S	lavc/aarch64: Fix addp overflow in ff_pred16x16_plane_neon_10	2025-10-24 15:32:35 +00:00
h264qpel_init_aarch64.c	lavc/aarch64: h264qpel, add 10-bit lowpass_8_10 based functions	2023-12-07 23:20:14 +02:00
h264qpel_neon.S	lavc/aarch64: h264qpel, add 10-bit lowpass_8_10 based functions	2023-12-07 23:20:14 +02:00
hevcdsp_deblock_neon.S	avcodec/aarch64/hevc: add luma deblock NEON	2024-02-28 10:14:58 +01:00
hevcdsp_dequant_neon.S	lavc/hevc: add aarch64 neon for 12-bit dequant	2026-01-25 06:55:26 +00:00
hevcdsp_idct_neon.S	aarch64/hevcdsp_idct_neon: Add implementation for idct dc 12	2025-03-04 17:01:58 +08:00
hevcdsp_init_aarch64.c	lavc/hevc: add aarch64 neon for 12-bit dequant	2026-01-25 06:55:26 +00:00
hpeldsp_init_aarch64.c
hpeldsp_neon.S	aarch64/hpeldsp_neon: fix out-of-bounds read	2026-01-04 03:22:55 +00:00
idct.h	avcodec/aarch64/idct: Add missing stddef	2022-02-21 13:10:04 +01:00
idctdsp_init_aarch64.c	lavc/aarch64: fix include for cpu.h	2024-05-13 14:50:38 +02:00
idctdsp_neon.S	avcodec/idctdsp: Arm 64-bit NEON block add and clamp fast paths	2022-04-01 10:03:34 +03:00
Makefile	avcodec/aarch64: add pngdsp	2026-02-04 12:05:35 +08:00
me_cmp_init_aarch64.c	avcodec/mpegvideoenc: Add MPVEncContext	2025-03-26 04:08:33 +01:00
me_cmp_neon.S	all: fix typos found by codespell	2025-08-03 13:48:47 +02:00
mpegaudiodsp_init.c
mpegaudiodsp_neon.S	lavc/hevcdsp_qpel_neon: using movi.16b instead of movi.2d	2023-11-28 15:54:49 +02:00
mpegvideoencdsp_init.c	avcodec/mpegvideoencdsp: convert stride parameters from int to ptrdiff_t	2024-09-01 13:42:30 +02:00
mpegvideoencdsp_neon.S	avcodec/mpegvideoencdsp: convert stride parameters from int to ptrdiff_t	2024-09-01 13:42:30 +02:00
neon.S	aarch64: Consistently use lowercase for vector element specifiers	2023-10-21 23:25:18 +03:00
neontest.c	avcodec: Remove deprecated old encode/decode APIs	2021-04-27 10:43:12 -03:00
opusdsp_init.c	lavc/opus*: move to opus/ subdir	2024-09-02 11:56:53 +02:00
opusdsp_neon.S	avcodec/aarch64/opusdsp_neon: Simplify opus_postfilter_neon	2025-02-10 14:55:16 +02:00
pixblockdsp_init_aarch64.c	avcodec/pixblockdsp: be consistent about restrict use in ff_{get,diff}_pixels	2025-10-25 01:01:15 +02:00
pixblockdsp_neon.S
pngdsp_init.c	avcodec/aarch64: add pngdsp	2026-02-04 12:05:35 +08:00
pngdsp_neon.S	avcodec/aarch64: add pngdsp	2026-02-04 12:05:35 +08:00
rv40dsp_init_aarch64.c	avcodec/h264chroma: Constify src in h264_chroma_mc_func	2022-08-05 03:02:13 +02:00
sbrdsp_init_aarch64.c
sbrdsp_neon.S	aarch64: Consistently use lowercase for vector element specifiers	2023-10-21 23:25:18 +03:00
simple_idct_neon.S	aarch64: Consistently use lowercase for vector element specifiers	2023-10-21 23:25:18 +03:00
synth_filter_init.c	avcodec: Remove DCT, FFT, MDCT and RDFT	2023-10-01 02:25:09 +02:00
synth_filter_neon.S	avcodec: Remove DCT, FFT, MDCT and RDFT	2023-10-01 02:25:09 +02:00
vc1dsp_init_aarch64.c	avcodec/h264chroma: Constify src in h264_chroma_mc_func	2022-08-05 03:02:13 +02:00
vc1dsp_neon.S	avcodec/vc1: Arm 64-bit NEON unescape fast path	2022-04-01 10:03:34 +03:00
videodsp.S	lavc/aarch64: fix relocation out of range error	2021-09-25 21:55:29 +03:00
videodsp_init.c	avcodec/videodsp: Constify buf in VideoDSPContext.prefetch	2022-07-31 03:14:34 +02:00
vorbisdsp_init.c	lavc/vorbisdsp: use ptrdiff_t rather than intptr_t	2022-09-19 13:51:00 -03:00
vorbisdsp_neon.S
vp8dsp.h	avcodec/vp8dsp: Constify src in vp8_mc_func	2022-09-11 20:57:51 +02:00
vp8dsp_init_aarch64.c
vp8dsp_neon.S	aarch64: Make the indentation more consistent	2023-10-21 23:25:29 +03:00
vp9dsp_init.h
vp9dsp_init_10bpp_aarch64.c
vp9dsp_init_12bpp_aarch64.c
vp9dsp_init_16bpp_aarch64_template.c
vp9dsp_init_aarch64.c
vp9itxfm_16bpp_neon.S	aarch64: Use ret x<n> instead of br x<n> where possible	2021-11-16 13:43:56 +02:00
vp9itxfm_neon.S	aarch64: Implement stack spilling in a consistent way.	2022-10-11 09:12:02 +02:00
vp9lpf_16bpp_neon.S	aarch64: Implement stack spilling in a consistent way.	2022-10-11 09:12:02 +02:00
vp9lpf_neon.S	aarch64: Implement stack spilling in a consistent way.	2022-10-11 09:12:02 +02:00
vp9mc_16bpp_neon.S
vp9mc_aarch64.S
vp9mc_neon.S	aarch64: vp9mc: Load only 12 pixels in the 4 pixel wide horizontal filter	2025-01-03 17:53:46 -05:00