From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Owens Date: Mon, 24 Feb 2003 02:25:12 +0000 Subject: [Linux-ia64] Re: strange performance behaviour with floats Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Sun, 23 Feb 2003 18:16:57 -0800, David Mosberger wrote: >Let me say this again: you _don't_ want a single-cycle loop. You want >a 2-cycle loop that gets twice the work done as a 1-cycle loop. That >is, you'd want to decrement the loop counter by 2, compare it against >zero, and branch if it's not zero yet, all the while making sure you >get a 2-cycle loop. Now I see what you are getting at, sorry for the confusion. Of course, the fact that udelay() does not use bogomips at all makes the whole question irrelevant. We now return you to our regularly scheduled delay loop :)