Re: Please upgrade your machines to sparc64
From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Date: Thu, 23 Jun 2016 21:33:34 +0200
> On 06/23/2016 09:31 PM, David Miller wrote:
>> And all of those binaries you say "don't matter" take up memory,
>> swap space, etc. And if you add this up for the entire system
>> it's non-trivial.
>>
>> Multiply this by some factor N when virtualization is involved.
>
> On a machine with 8 TiB of memory? I have also never heard anyone complain
> about memory issues on x86_64. Are you also running i686 for that reasons?
It's physical memory, cache memory, TLB entries.
Not the amount of physical or virtual "address space" the cpu
supports.
> Intel ICC does exactly that. I even provided a reference for that.
I don't understand how such an optimization is even possible, or would
even apply in common cases where the pointer is actually used.
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