Recently, profiling showed me that most of the time in the microbenchmark I was running was spent generating the stream of random numbers using Random.nextGaussian. I didn’t need a high-quality Gaussian distribution—I just wanted some moderately realistic numbers—so, mostly …
My team recently spent some time making performance improvements to a data-reporting front-end we build and maintain at Vena Solutions. The application is built entirely in React and has grown to the point where we are starting to notice …
Occasionally, you need to compute the Cartesian product of several sets. Java 8 Streams make this simple, clear, elegant… and extravagantly expensive. I’ve created a Cartesian helper class that solves the memory usage problem, and allows Cartesian products to be …
Folks using programming languages with automatic garbage collection (GC) often feel that it’s a price worth paying. I disagree: outside of some fairly limited circumstances, there’s no price to be paid at all.
If your application is short-running, or …
