Gerd Möllmann <gerd.moellmann@gmail.com> writes:

> Aprt from that, I'm currently trying to get profiling working on my old
> Macbook Pro, to compare the profiles of the 2 commits on emacs-29 which
> show the difference.  That could maybe answer your question.

To the question of profiling.  I've now used the built-in profiler on
the two commits, but I must say that I don't see where the difference
comes from.  These are debug builds, 5 runs of the benchmark.