2 Commits

Author SHA1 Message Date
Yi Luo
7317200002 Hybrid inverse transforms 16x16 AVX2 optimization
- Add unit tests to verify the bit-exact result.
- User level time reduction (EXT_TX):
    encoder: 3.63%
    decoder: 2.36%
- Also add tx_type=V_DCT...H_FLIPADST SSE2 for 16x16 inv txfm.

Change-Id: Idc6d9e8254aa536e5f18a87fa0d37c6bd551c083
2016-11-01 13:38:20 -07:00
Yi Luo
e8e8cd8f1b 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
2016-10-06 15:33:15 -07:00