Because the difference between goofing around and science is taking notes, I have been taking notes while working on improving the performance in Tartrazine, a syntax highlighting shard/tool I have been working on.
And here it is:
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A very interesting note 
- Use Valgrind and Callgrind to find performance issues.
- Speed up external library functions by using options, especially when some checks overlap with Crystal.
- In loops, memory allocation and deallocation take a lot of time, so reducing them can help.
These tips seem useful and can be used in many situations.
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Really cool! I sent to our team to take a look, some very promising leads to follow :)
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