From: H. Peter Anvin Date: Mon, 15 Jun 2009 13:16:05 GMT Subject: Re: [PATCH v3 0/3] automatically skip away from broken commits Message-ID: <4A364995.2010703@zytor.com> In-Reply-To: Christian Couder wrote: > Yes, but I feared that there could be rounding related differences > between platforms. Doesn't matter for this application. Really. Anything you're going to do yourself will be much worse. Realistically, you might have a difference in the 53rd bit. > By the way, could you explain why power 1.5 is better than 2? It would > be much simpler if we could avoid square rooting anything in the first > place. It is the power function that most closely creates a distribution which matches the value curve (rounded to a small fraction.) > I don't think this is a real problem for this application. In fact I > think it's already quite overkill and there are better things to do, > like looking for a commit on a different branch among the first ones > in the list, if we want to improve the current behavior. > > So unless there is a real flaw, I am going to work on something else. Makes sense. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.