On Mon, 24 Jun 2024, Zhao Zhili wrote:

From: Zhao Zhili <zhiliz...@tencent.com>

Test on Apple M1 with kperf:
                                : -O3           : -O3 -fno-vectorize
abgr_to_uv_8_c                  : 19.4          : 26.1
abgr_to_uv_8_neon               : 29.9          : 51.1
abgr_to_uv_128_c                : 146.4         : 558.9
abgr_to_uv_128_neon             : 85.1          : 83.4
abgr_to_uv_1080_c               : 1162.6        : 4786.4
abgr_to_uv_1080_neon            : 819.6         : 826.6
abgr_to_uv_1920_c               : 2063.6        : 8492.1
abgr_to_uv_1920_neon            : 1435.1        : 1447.1
abgr_to_uv_half_8_c             : 16.4          : 11.4
abgr_to_uv_half_8_neon          : 35.6          : 20.4
abgr_to_uv_half_128_c           : 108.6         : 359.4
abgr_to_uv_half_128_neon        : 75.4          : 42.6
abgr_to_uv_half_1080_c          : 883.4         : 2885.6
abgr_to_uv_half_1080_neon       : 460.6         : 481.1
abgr_to_uv_half_1920_c          : 1553.6        : 5106.9
abgr_to_uv_half_1920_neon       : 817.6         : 820.4
abgr_to_y_8_c                   : 6.1           : 26.4
abgr_to_y_8_neon                : 40.6          : 6.4
abgr_to_y_128_c                 : 99.9          : 390.1
abgr_to_y_128_neon              : 67.4          : 55.9
abgr_to_y_1080_c                : 735.9         : 3170.4
abgr_to_y_1080_neon             : 534.6         : 536.6
abgr_to_y_1920_c                : 1279.4        : 6016.4
abgr_to_y_1920_neon             : 932.6         : 927.6
---
libswscale/aarch64/input.S   | 86 +++++++++++++++++++++++++++---------
libswscale/aarch64/swscale.c | 17 +++++++
2 files changed, 82 insertions(+), 21 deletions(-)

This patchset looks ok to me (but wait a little bit in case someone else has further opinions on it).

// Martin

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