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C++ “move” semantics are simple, and unchanged since C++11. But they are still widely misunderstood, sometimes because of unclear teaching and sometimes because of a desire to view move…

References are for parameter passing, including range-for. Sometimes they’re useful as local variables, but pointers or structured bindings are usually better. Any other use of references typ…

C++ is an object-oriented programming language that was first developed by Bjarne Stroustrup. It was originally created to be an extension of the C language, which is a middle-level language, and these roots are still present today. C++ can be developed in…

January 2018 was a sad time in the kernel community. The Meltdown and
Spectre vulnerabilities had finally been disclosed, and the required
workarounds hurt kernel performance in a number of ways. One of those
workarounds — retpolines —
continues to cause…

What is Strict Aliasing and Why do we Care? GitHub Gist: instantly share code, notes, and snippets.

Wow, I wish I had more time to write this answer. Modern C++ is a mixed bag of features; some wonderful, some boring, and some potentially tremendously expensive at run time. My focus is on optimization as you can see from my credential, so here’s...