And at exactly that point (but rarely before), a good "product developer" puts on his "software developer" hat, and executes his finely-tuned JIT learning subroutine. He Googles "[framework] profiling", spends a week collecting information, tracks down the bottleneck, makes a fix, tests it, evaluates the new output, then calls it a day or repeats from step 1 until the issue is resolved.
Or a if you already know the difference you take a minute to look at the APIs you are using and switch to the one which is implemented with a hash table instead of a linked list. One minute vs. a week. A week here and a week there adds up.
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And at exactly that point (but rarely before), a good "product developer" puts on his "software developer" hat, and executes his finely-tuned JIT learning subroutine. He Googles "[framework] profiling", spends a week collecting information, tracks down the bottleneck, makes a fix, tests it, evaluates the new output, then calls it a day or repeats from step 1 until the issue is resolved.
Or a if you already know the difference you take a minute to look at the APIs you are using and switch to the one which is implemented with a hash table instead of a linked list. One minute vs. a week. A week here and a week there adds up.