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"Significant Garbage Collection Improvement For Emacs" - sweep_conses pe

From: Stefan Kangas
Subject: "Significant Garbage Collection Improvement For Emacs" - sweep_conses performance improved by 50%?
Date: Sat, 29 Oct 2022 07:07:25 +0200

In this blog post


the author asserts that a one-line patch "reduces the total wall clock
duration for sweep conses execution by approximately 50%", at least in
one benchmark.  There are some caveats; read the blog post for the
full story.

The patch can be found here:


Is this a change we could/should realistically make in Emacs?

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