Careful. That article is from 2012 and compile time unrolling was more useful back then. Today or can actually be harmful as it hides strong hints about the loo

Careful. That article is from 2012 and compile time unrolling was more useful back then. Today or can actually be harmful as it hides strong hints about the loop from the optimizer. Our code that did this fared worse than a loop, because no optimizer-writer expected unrolled loops.