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Unverified Commit 8c24af66 authored by Chip Kerchner's avatar Chip Kerchner Committed by GitHub
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Merge pull request #16556 from ChipKerchner:vectorizeIntegralSumPixels 

* Vectorize calculating integral for line for single and multiple channels

* Single vector processing for 4-channels - 25-30% faster

* Single vector processing for 4-channels - 25-30% faster

* Fixed AVX512 code for 4 channels

* Disable 3 channel 8UC1 to 32S for SSE2 and SSE3 (slower).  Use new version of 8UC1 to 64F for AVX512.
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modules/imgproc/src/sumpixels.simd.hpp
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