Messages in this thread | | | From | Andi Kleen <> | Subject | Re: 2.6.19-rc1: x86_64 slowdown in lmbench's fork | Date | Fri, 3 Nov 2006 19:39:59 +0100 |
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> Which invalidates the tlb fault hypothesis unless it happens to lie > on the 2MB boundary.
It's in different pages than the code.
One drawback of using large TLBs is that the CPUs tend to have a lot less of them than small TLBs so they can actually thrash quicker if you're unlucky.
Only profiling can tell I guess.
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