Hi, On Thu, 13 Sep 2007, Peter Zijlstra wrote:If you look at the math, you'll see that I took the overflow into account, I even expected it. If you see this effect in my implementation, it would be a bug. You need more than two busy loops. There's a reason I implemented a simple simulator first, so I could actually study the scheduling behaviour of different load situations. That doesn't protect from all surprises of course, but it gives me the necessary confidence the scheduler will work reasonably even in weird situations. From these tests I already know that your approximations only work with rather simple loads. bye, Roman -
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