Re: igc, macOS avoiding signals

[Gerd Möllmann]

Sean Devlin <spd@toadstyle.org> writes:

>> Pip Cet <pipcet@protonmail.com> writes:
>> 
>> > Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>> >
>> >> This is about commit
>> >>
>> >> ceec5ace134081b64dbf46c4fb5702ef5209c5fd
>> >> Avoid MPS being interrupted by signals
>> >>
>> >> I've been running with this for some days now, and must report that
>> >> Emacs feels a _bit_ different here in interactive use, maybe one could
>> >> say not as smooth. (macOS, --without-ns, in my fork of Emacs, which is
>> >> very recent master++).
>> >
>> > I think we should quantify that.  Set a watchpoint on
>> > igc_global->signals_pending, check how often we even set that, and how
>> > often we call igc_maybe_quit, particularly if we were previously idle.
>> > Maybe it's sufficient to call it again from the idle handler.
>> >
>> >> After reverting the commit, it's feeling smoother again.
>> >
>> > Entirely possible.  Let's measure it.
>> 
>> I'm sorry, but I pass. It's too time-consuming for me. Maybe someone
>> else using macOS can do that. I just wanted to make you aware of this.
>
> I can take a stab at this. I’ve been running the scratch/igc branch on
> macOS using the NS build.
>
> To be clear, I should make sure to include the above commit in my
> build? Or should I not include it?

Just let in in. I reverted it only in my Emacs.

> When I take my measurements, are there any kinds of tasks I should try
> to perform? What durations of time should I try to measure?
>
> Cheers.

That's something for Pip to tell.