Any idea what's going on with the *mem* values in the listing in your second lin... | Hacker News

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		MaxBarraclough on April 25, 2020 \| parent \| context \| favorite \| on: I translated a simple C program to x86_64 and it w... Any idea what's going on with the mem values in the listing in your second link? Wouldn't expect a C++ implementation to use 200x the memory of a C implementation. Different algorithms presumably? Or a significant compiler optimisation being missed?

heeen2 on April 26, 2020 [–]

Maybe because the cpp version includes stdlib on top of stdio?

MaxBarraclough on April 26, 2020 | [–]

Ah, of course. So the problem doesn't involve any real allocations, and it's just the language overhead that we're seeing.

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