tree dd044bd58abfd1e99ecd8595690837715fa55546
parent 52d9242b6572a5ecae705c4cdc552439fcb72e68
author Krishna Malladi <kmalladi@google.com> 1607022003 -0800
committer Yunqing Wang <yunqingwang@google.com> 1607037249 +0000

Add av1_calc_indices_dim2_avx2()

PERF performance: 2.68% for c-code 0.59% for AVX2

Speed Test:
Block Size	Gain for 2 Centroids
8x8		3.03x
8x16		2.99x
8x32		3.03x
16x8		3.01x
16x16		3.0x
16x32		2.84x
32x8		3.04x
32x16		2.92x
32x32		2.97x
32x64		3.04x
64x32		3.07x
64x64		4.59x
16x64		2.95x
64x16		2.99x

Change-Id: I5e7f7e811e15721241b7c34a42d5baaf0b8e7020