On 2016-09-19 11:54, Jonathan Bober wrote:
But in that case the memory does effectively get "used", if it is the
case that a quarter of the machine's memory is only available from the
PARI memory allocater. If I'm not using the PARI parts of Sage, is that
memory completely wasted?


There should not be any consequences apart from the artificially high value of virtual memory used. It certainly does not affect the physical memory or swap space which is effectively available.

So the question becomes: what uses the "virtual memory used" value? Apparently, the Linux overcommit thing does use that value (which is surprising to me, I never really understood how this overcommit stuff works).


Jeroen.

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