Inline functions in depth

                              Inline functions in depth

#pragma inline_depth( [0... 255] )

--max-inline-insns-recursive

http://www.gotw.ca/gotw/033.htm

-finline-functions
-fnoinline-functions

https://stackoverflow.com/questions/190232/can-a-recursive-function-be-inline

http://www.parashift.com/c++-faq-lite/inline-and-perf.html

https://isocpp.org/

__attribute__((always_inline))

https://www.systutorials.com/gcc-may-save-you-some-recursive-functions-calls-an-analysis-of-a-function-call-stack-length-example/

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