Optimizing Programs

This lesson focuses on how to optimize a program.

Timing a function

Sometimes it is interesting to know how long a certain computation took, e.g. for comparing and benchmarking calculations. A simple way to do this is to record the start-time before the calculation, and the end-time after the calculation by using the function Now() from the time package. The difference between them can then be calculated with Sub(). In code, this goes like:

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