Add Neon I8MM implementation svt_av1_filter_intra_predictor

gerdamore-armrequested to merge
gerdamore-arm/SVT-AV1:fork_filter_intra_optim into master

Description

Add Neon I8MM implementation of svt_av1_filter_intra_predictor and also add the necessary unit tests.

Overall uplift:

  • Neon -> Neon I8MM: 69%

CC: @jwright-arm

Issue

Author(s)

Gerda Zsejke More <gerdazsejke.more@arm.com>

Performance impact

  • quality
  • memory
  • speed
  • 8 bit
  • 10 bit
  • N/A

Test set

  • obj-1-fast can be found here
  • other
  • N/A

Merge method

  • Allow the maintainer to squash and merge when PR is ready to create a 1-commit to the master branch. The maintainer will be able to fix typos / combine commit messages to create a more readable 1-commit message or use whatever is stated in the 'Description' section
  • I will clean up my commits and the maintainer shall use 'rebase and merge' to the master branch
Edited by gerdamore-arm

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