tree 20a6b67186bfe47aa5e5fb1bc28eb553df360e75
parent 87919c9215af62acfb6e8eb83d2ac0d96d854ac3
author venkat sanampudi <sanampudi.venkatarao@ittiam.com> 1603257934 +0530
committer Yunqing Wang <yunqingwang@google.com> 1606934598 +0000

Implement multithreading for CDEF search

This CL adds support for block based multithreading of CDEF
search module.

cpu-used   Resolution    Tile    Average Encode Time
                                     Reduction (%)
   2        832x480      2x1       0.39 (2 threads)
   3       1280x720      2x2       0.52 (4 threads)
   4       1920x1080     4x2       0.51 (8 threads)
   5       3840x2160     4x2       2.57 (8 threads)
   6       3840x2160     4x2       1.55 (8 threads)

Change-Id: I754d3e7f0cb5355726682163bcf99bfde43ba233