diff options
| author | Martin Storsjö <martin@martin.st> | 2017-01-04 13:08:51 +0200 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2017-03-11 13:14:48 +0200 |
| commit | 758302e4bc14e93989e7feb1135ec3f807c3310d (patch) | |
| tree | 10a16d328653707ab878de0f6ce61a2882a8e479 /libavcodec/aarch64/vp9itxfm_neon.S | |
| parent | 045e33ae3fee74e39b1321dddf727eacb1ecf541 (diff) | |
arm: vp9itxfm: Optimize 16x16 and 32x32 idct dc by unrolling
This work is sponsored by, and copyright, Google.
Before: Cortex A7 A8 A9 A53
vp9_inv_dct_dct_16x16_sub1_add_neon: 273.0 189.5 211.7 235.8
vp9_inv_dct_dct_32x32_sub1_add_neon: 752.0 459.2 862.2 553.9
After:
vp9_inv_dct_dct_16x16_sub1_add_neon: 226.5 145.0 225.1 171.8
vp9_inv_dct_dct_32x32_sub1_add_neon: 721.2 415.7 727.6 475.0
This is cherrypicked from libav commit
a76bf8cf1277ef6feb1580b578f5e6ca327e713c.
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/aarch64/vp9itxfm_neon.S')
0 files changed, 0 insertions, 0 deletions