CPU dispatchingh is all about making your code portable and fast. We will talk about how to make your detect features your CPU has at is disposal and select the fastest function for that particular CPU without a need to recompile your software.
We will talk about how to profit from some of GDB’s very useful albeit less known features.
Function calls are not cheap operations and for time critical code it is better to avoid them. This article explores techniques you can use to avoid function calls thus speeding up your code.
Learn about FlameGraphs, a great tool that will help you quickly find slow functions in your program.