Timing of various functions on ATMEGA 328P chip (Arduino Uno, Arduino Nano, etc) [stub]

Using Arduino Programming Questions
4

Robin2:
Please post the program you used to produce your results and explain how you use the 'scope to do the measurements

I would be interested to see the results for digitalWriteFast() and digitalReadFast() from the digitalWriteFast library

...R

Here is one way to measure code timing:
https://forum.arduino.cc/index.php?topic=445951.msg3597772#msg3597772

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