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→ 2013-12-11

Frequently, businesses will turn to “convenience metrics” average (or mean) response times to gauge overall performance. However while the average might be …

Programmers waste enormous amounts of time thinking about, or worrying about, the speed of noncritical parts of their programs, and these attempts at efficiency actually have a strong negative impact when debugging and maintenance are considered. We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Yet we should not pass up our opportunities in that critical 3%.

→ 2013-07-18