Manually unrolling the multiply-and-accumulate loop of the matched filter allows interleaving of instruction, which gives a significant saving.
Bug: None
Change-Id: Ie7a7d92bd453d81e9dd61812781a7b6d62e1f1f4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/240321
Reviewed-by: Ivo Creusen <ivoc@webrtc.org>
Commit-Queue: Christian Schuldt <cschuldt@google.com>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35566}