PQA
PQA is an acronym for Performance Quality Assurance. We developed PQA to answer the questions, which APL primitives have slowed down from one build of the Dyalog interpreter to the next, and by how much? Currently, PQA consists of 13,659 benchmarks divided into 136 groups. The Graphs The graph above (and all other graphs in […]
Isolated Mandelbrot Set Explorer
It amazes me that an equation so simple can produce images so beautiful and complex. I was first introduced to the Mandelbrot set by the August 1985 issue of Scientific American. Wikipedia says “The Mandelbrot set is the set of complex numbers ‘c’ for which the sequence ( c , c² + c , (c²+c)² + c , […]
Creating Shortcuts (Microsoft Windows)
At Dyalog, a developer not only needs access to all of the readily available editions of the interpreter but also to earlier versions that are no longer officially supported. On my Microsoft Windows Desktop I have a folder that contains a shortcut to my developer builds of all these interpreters. I’ve recently suffered a complete […]
