[m-rev.] for review: centralize recognition of sharing for tag switches

[Julien Fischer]

On Mon, 11 Mar 2024, Zoltan Somogyi wrote:

> For review by anyone. Peter reviewed my last diff to
> ml_tag_switch.m, so he may also want to review the diff
> that replaces that one :-(
>
> This diff adds rather a lot of ZZZs, which I intend to leave
> in the diff to be committed. I intend to address and then remove
> those ZZZs over about the next week. However, I intend to
> first break up switch_util.m, because the changes I made to it
> were made more complicated by the presence in it
> of code that is relevant only to *other* kinds of switches.
> Are there any objections?

Not from me.

> Many of the ZZZs are about possible speed improvements.
> I expect that my laptop does way too much thermal throttling
> for it to be able to reliably measure any resulting speed changes,
> especially in this heat :-( Does anyone have any machines
> suitable for benchmarking?

I can provide you with access to something that should be suitable.
(I'll contact you off-list.)

Julien.