Benchmarks that are designed to measure absolute performance often don't test the factors that make real world software feel fast or slow. They're designed to o

Benchmarks that are designed to measure absolute performance often don't test the factors that make real world software feel fast or slow. They're designed to output a number that allows you to compare the performance of the VMs in certain scenarios. The speed of a JS vm factoring primes doesn't indicate how laggy it'll feel scrolling through a list because it's garbage collecting every few hundred millis.