Optimization is the process of improving an existing program to make it work more efficiently or/and using less resources.

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How big sites scale up and optimize to massive traffic? [closed]

How do sites like Facebook and Twitter optimize their sites for massive traffic. Aside from spending big bucks on getting the best servers, what can be optimized in your code to accommodate massive ...
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What do you optimize for? [closed]

Generally speaking, what type of optimizations do you typically slant yourself towards when designing software? Are you the type that prefers to optimize your design for Development time (i.e., ...
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Compiler optimization examples [closed]

I'd like to see (good) examples of optimizations performed by compilers (static and JIT). Why? To learn what we don't have to optimize ourselves (often leading to better code) To be amazed
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What optimizations are premature? [duplicate]

I've been here for nearly a month and it seems that people have a tendency to be eager to use the "Premature Optimization is the root of all evil" argument as soon as someone mentions efficiency. ...
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Is premature optimization really the root of all evil?

A colleague of mine today committed a class called ThreadLocalFormat, which basically moved instances of Java Format classes into a thread local, since they are not thread safe and "relatively ...