Re: MPS: weak hash tables

[Gerd Möllmann]

Pip Cet <pipcet@protonmail.com> writes:

> On Sunday, July 7th, 2024 at 19:00, Gerd Möllmann <gerd.moellmann@gmail.com> 
> wrote:
>> Helmut Eller eller.helmut@gmail.com writes:
>> 
>> > On Sun, Jul 07 2024, Gerd Möllmann wrote:
>> > 
>> > > Helmut, I seem to remember that you had 3 points on your list that
>> > > needed investigation, pi, ert-test, and something else I can't find now
>> > > and don't remember.
>> > > 
>> > > Could you please remind me, or am I misremembering?
>> > 
>> > The third was some form of heap size limit. Maybe
>> > mps_arena_commit_limit_set is what I want. I'd have to try it.
>> 
>> 
>> Ah right, thanks! The strange behaviour when set via MPS_KEY_... etc.
>
> I looked into that briefly, and believe it happens only when we hit
> the memory limit. Does that match what you're seeing?

Not sure. IIRC, I used 1 << 30, and got the assertion when dumping. I
don't know if Emacs uses 1G for dumping.