Bill Moran wrote:> Does this test demonstrate usage of memory over 4G? It's my understanding > that PAE starts to suffer when it has to look at the memory over 4G (which
> is the problem it's intended to solve) > > If your entire test fits in under 4G, you're not seeing the worst of it. > At least, that's my understanding of the issue.
I don't think that's how PAE works. AFAIK, it adds all the memory pages it can find (including those above and below 4 GB) into the VM pool with 64-bit addresses, so all of them can be used by the applications in an uniform way. Kind of like swap works.
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