Hubert Mazur a2e45ad407 lavc/aarch64: Add neon implementation for pix_abs16_y2
Provide optimized implementation of pix_abs16_y2 function for arm64.

Performance comparison tests are shown below.
pix_abs_0_2_c: 317.2
pix_abs_0_2_neon: 37.5

Benchmarks and tests run with checkasm tool on AWS Graviton 3.

Signed-off-by: Hubert Mazur <hum@semihalf.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
2022-08-18 12:07:26 +03:00
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