for your difficult algorithms, magnitude the performance?


let's only assume have narrowed down where customary bottlenecks your app are. know, competence collection slight run reindex your tables; sql queries runs over your effective-dated trees; xml marshalling few hundred multiple objects. words, competence have something this:



public outcome takeanannoyinglongtime(input in) {
   // impl above
}


unfortunately, even after you've identified your bottleneck, chip divided during it. rudimentary fortitude available.



how magnitude opening your bottleneck know your fixes headed right direction?



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