Re: MPS: dangling markers

[Gerd Möllmann]

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

> I think I have an idea: What if igc_add_marker records in Lisp_Marker at
> which index in the weak vector it stored the marker? That would make
> igc_remove_marker O(1).

Pushed that to scratch/igc.

Ihor, could please measure again?

Next idea would be to make igc_add_marker O(1) with a free-list like
hash tables have in the next array. But let's first see if the above
change brings something to the table.