Messages in this thread | | | Date | Wed, 13 Jul 2016 14:33:37 +0200 | From | Peter Zijlstra <> | Subject | Re: Odd performance results |
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On Wed, Jul 13, 2016 at 09:27:48AM -0300, Henrique de Moraes Holschuh wrote: > On Wed, 13 Jul 2016, Ingo Molnar wrote: > > > The ordering Paul has, namely 0,1 for core0,smt{0,1} is not something > > > I've ever seen on an Intel part. AMD otoh does enumerate their CMT stuff > > > like what Paul has. > > > > That's more the natural 'direct' mapping from CPU internal topology to CPU id: > > what's close to each other physically is close to each other in the CPU id space > > as well. > > But does it correctly reflect the hardware? That seems to be the real > question...
Its just enumeration afaict. But its weird that this changed. Some BIOS team somewhere changed things and I want to know why (and how widespread this is).
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