This is impossible without significant performance impact. No language can chang... | Hacker News

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		turminal on Jan 23, 2021 \| parent \| context \| favorite \| on: But how, exactly, do databases use mmap? This is impossible without significant performance impact. No language can change that. Edit: except theoretically for data structures that have certain characteristics known in advance

amelius on Jan 23, 2021 | [–]

Well, one approach is to parameterize your data-types such that they are fast in the usual case, but become perhaps slightly slower (but still on par with hand-written code) in the more versatile case.

gpderetta on Jan 24, 2021 | [–]

Boost.interproces does exactly that for the STL.

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