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From: Paavo Helde <eesnimi@osa.pri.ee>
Newsgroups: comp.lang.c++,comp.lang.c
Subject: Re: "White House to Developers: Using C or C++ Invites Cybersecurity
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Date: Fri, 8 Mar 2024 14:41:16 +0200
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07.03.2024 17:36 David Brown kirjutas:
> 
> CPython does use garbage collection, as far as I know.
> 

AFAIK CPython uses reference counting, i.e. basically the same as C++ 
std::shared_ptr (except that it does not need to be thread-safe).

With reference counting one only knows how many pointers there are to a 
given heap block, but not where they are, so heap compaction would not 
be straightforward.

Python also has zillions of extensions written in C or C++ (all of AI 
related work for example), so having e.g. heap compaction of Python 
objects only might not be worth of it.