tree 0e188bb0c75754f2591cf868126cf5d6b433f7a4
parent c4824890e4c0c8ebaac12dcba6f62e7870219a2f
author Aniket Dhok <aniket.dhok@ittiam.com> 1543918742 +0530
committer Yunqing Wang <yunqingwang@google.com> 1543944557 +0000

Optimize highbd inv_txfm modules

Added SSE4_1 variants for horizontal identity txfm types.

Module level gains:
Tx_size   Gain w.r.t. C
8x8         7.53x
8x16        12.58x
16x8        7.31x
16x16       14.15x

When tested for multiple test cases observed 1.0%
average reduction in encoder time for speed = 1 preset.

Change-Id: Ida4e806a6a6a2463953b440d43ae0ded2808352c