Save moneySave powerBad perf == brokenLost customers
Half a second delay caused a 20% drop in traffic (Google)
Internal L.O.B apps
Why?
“The most amazing achievement of the computer software industry is its continuing cancellation of the steady and staggering gains made by the computer hardware industry.”
- Henry Peteroski
Why?
Premature optimization is the root of all evil v.
Backing yourself into a corner
“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%.“
- Donald Knuth
Never give up your performance accidentally
Rico Mariani, Performance Architect @ Microsoft
What?
Averages are bad
"most people have more than the average number of legs"
- Hans Rosling
Based on an original idea by Gil Tene from “How NOT to Measure Latency”