Messages in this thread | | | Date | Tue, 6 Mar 2007 20:48:41 +0100 | From | Andi Kleen <> | Subject | Re: [RFC] div64_64 support |
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On Tue, Mar 06, 2007 at 10:29:41AM -0800, Stephen Hemminger wrote: > Don't count the existing Newton-Raphson out. It turns out that to get enough > precision for 32 bits, only 4 iterations are needed. By unrolling those, it > gets much better timing.
But did you fix the >2^43 bug too?
SGI has already shipped 10TB Altixen, so it's not entirely theoretical.
-Andi
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