Change compareSubImg_thr_sse2 to use the intrinsic method _mm_sad_epu8#99

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gabilan wants to merge 1 commit intogeorgmartius:masterfrom gabilan:abs_opt

+18-88

Commits on Nov 9, 2020

Change compareSubImg_thr_sse2 to use the intrinsic method _mm_sad_epu8 for computing SAD. Improves motion estimation/detection performance by 2x.
gabilan
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