this post was submitted on 15 Jun 2024
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If everyone had a magic lamp that told them whether performance was going to be an issue when they started a project then maybe it wouldn't matter. But in my experience people start Python projects with "performance doesn't matter", write 100k lines of code and then ask "ok it's too slow now, what do we do". To which the answer is "you fucked up, you shouldn't have used Python".
Q: what do we do? A: profile and decompose. Should not be that distant as a thought
Profiling is an extremely useful tool for optimising the system that you have. It doesn't help if you have the wrong system entirely though.
Upfront analysis and design is very close to independent from the technology, particularly at the I/O level