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The messy reality of SIMD (vector) functions - Johnny's Software Lab

We’ve discussed SIMD and vectorization extensively on this blog, and it was only a matter of time before SIMD (or vector) functions came up. In this post, we explore what SIMD functions are, when they are useful, and how to declare and use them effectively.A SIMD function is a function that processes more than one piece of data. Take for example a mathematical sin function:double sin(double angle);This function takes one double and returns one double. The vector version that processes four value...

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