Reflections on Software Performance An Article by Nelson Elhage blog.nelhage.com Performance is a feature Performance changes how users use software Performance needs effort throughout a project’s lifecycle Architecture strongly impacts performance Performance isn’t just about hot spots Performant foundations simplify architecture …we underrate performance when designing and building software. We have become accustomed to casually giving up factors of two or ten or more with our choices of tools and libraries, without asking if the benefits are worth it. performancesoftware
Requirements proliferation Any attempt to formulate all possible requirements at the start of a project will fail and would cause considerable delays. — Pahl and Beitz, Engineering Design As Project Manager, I had to reject the requirements document as totally impractical, and have a quite small team of architects, marketers, and implementers extract the essence. Requirements proliferation must be fought, by both birth control and infanticide. Frederick P. Brooks, Jr., The Design of Design YagniA grossly obese set of requirementsFeatures and complexity features