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How would I check which answer/solution gives the faster result? I always print delta-micros() but is there a better way?

William Roy
– William Roy

2016-08-23 10:28:42 +00:00
Commented Aug 23, 2016 at 10:28
The above solution is slow. This is a fast hack to show that you do not need all the libraries mentioned in your original question. See @EdgarBonet's answer for a solution that runs much faster. It can be improved with table lookup to avoid division/modulo. That is what the Cosa version does.

Mikael Patel
– Mikael Patel

2016-08-23 10:46:37 +00:00
Commented Aug 23, 2016 at 10:46
Thank you very much. But how you know if this one or the other one is faster? How to determine it?

William Roy
– William Roy

2016-08-23 11:01:23 +00:00
Commented Aug 23, 2016 at 11:01
Estimate the algorithms complexity and behavior. Read the generated assembly code and calculate the number of clock cycles. Write a test program and verify.

Mikael Patel
– Mikael Patel

2016-08-23 12:34:22 +00:00
Commented Aug 23, 2016 at 12:34

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