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added recommended number of stripes to parallel_for_, modified some of the functions to use larger stripes (for better performance)

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Vadim Pisarevsky
2012-10-11 22:37:14 +04:00
parent 821de96346
commit 354a5f2686
7 changed files with 119 additions and 103 deletions
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modules/imgproc/src/color.cpp
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@@ -187,7 +187,7 @@ private:
template <typename Cvt>
void CvtColorLoop(const Mat& src, Mat& dst, const Cvt& cvt)
{
parallel_for_(Range(0, src.rows), CvtColorLoop_Invoker<Cvt>(src, dst, cvt));
parallel_for_(Range(0, src.rows), CvtColorLoop_Invoker<Cvt>(src, dst, cvt), src.total()/(double)(1<<16) );
}
////////////////// Various 3/4-channel to 3/4-channel RGB transformations /////////////////