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2 Commits

Author SHA1 Message Date
Johann
9f4d4a3f49 neon: GetResidualCost 
Direct copy of sse2. Slight improvement because neon has
abs().

flower.ppm had minimal improvement. Somewhat expected because
GetResidualCost_C is only ~3.6%

mug.ppm had a better improvement because GetResidualCost_C is
almost 9%.

C    2.150
NEON 2.130

BUG=b/118740850

Change-Id: Ibc0dd97a81596635f5599cf568205974b4fd2597
 2018-11-14 11:46:58 -08:00
Johann
0fd7514b55 neon: SetResidualCoeffs 
Much faster with aarch64. Still somewhat faster without vmaxv.

C: 3.700s
ArmV7: 3.675
aarch64: 3.600

BUG=b/118740850

Change-Id: I3be852da89633eca4bddce443c87f5e4a2f55868
 2018-11-14 11:46:40 -08:00