Category "intrinsics"

SSE1,2,3 round() not fully follow std::round() result

I'm trying to make similar to std::round() function using SSE(1,2,3) instructions but have some issues with certain values and/or logical operators. Here's my c

How to make use of SIMD capability for sum of squared differences between 8-bit components of RGBA pixels?

The below code is trying to extract the red, green and blue channel of a pixel value and performing an arithmetic with another set of RGB values. It seems that

How to make use of SIMD capability for sum of squared differences between 8-bit components of RGBA pixels?

The below code is trying to extract the red, green and blue channel of a pixel value and performing an arithmetic with another set of RGB values. It seems that