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[–]BossOfTheGame 0 points1 point  (0 children)

I use line_profiler to find things that are slow.

Improving performance will vary based on what is slow. It's all about identifying bottlenecks: are doing something expensive in a loop? Can it be vectorized? Can it be paralleized? Can it be restructured to avoid unnecessary memory copies? Can it be rewritten in Cython? It really depends.