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by unsoundInput
3374 days ago
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Even though I agree that >>insert method of std::map is roughly 7 times slower than it should be<< is bad, these kind of problems are not too hard to find and solve if they are actually problematic for your software. The most problematic performance issues I've come across were usually bad/premature optimizations that were not (correctly) validated against a simpler implementation as a performance baseline. Things like parallelism (multi-threading, web workers) or caching can absolutely tank performance if not done correctly. Plus they usually tend to make stuff more complex and bug-prone. |
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