short answer: update() is usually faster than flip().
On 8/26/15, Bob Irving <bob...@gmail.com> wrote: > What is the difference? Is there a reason to use one over the other? > > Thanks! > Bob Irving > Porter-Gaud School > Charleston, SC > > -- > Twitter: @birv2 > www.bob-irving.com > http://www.scoop.it/t/on-the-digital-frontier > -- ..... “Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.” Albert Einstein ..... “I have no special talents, only a passionate and stubborn curiosity.” Albert Einstein