ANN: Dogelog Runtime, Prolog to the Moon (2021)

[Chris Angelico]

On Sun, Sep 19, 2021 at 11:46 AM Mostowski Collapse <bursejan at gmail.com> wrote:
>
> Yeah, it seems weak references could indeed spare
> me mark_term(). But then I am stil left with sweep_trail().
> I did not yet measure what takes more time mark_term()
> or sweep_trail(). The displayed "gc" is the sum of both.
>
> From what I have seen, very large trail practically reduced
> to a zero trail during Prolog GC, I am assuming that
> mark_term() is not the working horse. Usually mark_term()
> only marks what is not-Garbage, and sweep_trail()
>
> has to deal with Garbage and not-Garbage. And there
> is usually a lot of Garbage, much more than not-Garbage.
> Finding the objects that survive, is like finding the needle
> in the haystack, except we do not have to scan the

If you stop referring to something, it is garbage. Python will dispose of it.

You literally need to do nothing at all, and let the language take
care of things.

ChrisA