In article <52a9a1a0$0$29992$c3e8da3$5496439d at news.astraweb.com>, Steven D'Aprano <steve+comp.lang.python at pearwood.info> wrote: > I'm afraid I don't know what you mean by "performant". I've heard the term used often. It means something like, "performs well" or "runs fast". It may or may not be an English word, but that doesn't stop people from using it :-)