tree eba47b8015483443b1dbe23d0e455038234e5401
parent 29804479b54fcb8bba18ecff512f6d931895e319
author Yi Luo <luoyi@google.com> 1474479901 -0700
committer Yi Luo <luoyi@google.com> 1475793195 -0700

Hybrid forward transforms 16x16 AVX2 optimization

- Unit tests are added for AVX2 SIMD.
- Encoder speed improvement:
  AV1 baseline and EXT_TX, three 1080p sequences at bitrate:
  800 Kbps, 2 Mbps, 6 Mbps, on i7-6700 CPU, average
  user level time reduction: 3.86%.

Change-Id: Ibbd7837ee3a831c6b1e4e471bf6c8d3fa3a19ff4