GNU bug report logs - #79116
31.0.50; Crash on IGC build

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Helmut Eller <eller.helmut <at> gmail.com>
Cc: spd <at> toadstyle.org, Eli Zaretskii <eliz <at> gnu.org>, 79116 <at> debbugs.gnu.org, pipcet <at> protonmail.com
Subject: bug#79116: 31.0.50; Crash on IGC build
Date: Fri, 01 Aug 2025 10:12:58 +0200

Helmut Eller <eller.helmut <at> gmail.com> writes:

> However, performance of igc is already unconvincing: throughput with the
> old GC and gc-cons-percentage = 1.0 is better than with igc.  For
> latency, we have no benchmarks; so I'm not convinced that igc actually
> has lower latency.
>
> Even if igc has lower latency, the current way igc triggers
> opportunistic GC doesn't work well: I've often seen "Opportunism: client
> predicts plenty of idle time, so start full collection." messages when I
> was about to type something.

For me, neither throughput nor latency are important. What I care about
is pause times in interactive use.

I've been using using igc for > 1 year, and I am now running emacs-mac
for 10 days, with the old GC. GC-wise, emacs-mac is definitely a step
back :-).

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