ESC meeting minutes: 2021-07-08
noelgrandin at gmail.com
Thu Jul 8 15:01:50 UTC 2021
> * What’s cooking (Miklos)
> + Noel looked at UNO-level weak references, performance → found a
> different solution for a11y
Our a11y is fundamentally slow because it always builds a parallel object
hierarchy of ~everything, UI and document model.
And because it makes extensive use of weak pointers, and ours are even
slower than std::weak_ptr (which is not high performance itself).
Ideally, we should be building the a11y stuff on-demand, but that it just
too deep of a change to be achievable.
I'm playing with the idea of saying:
Everything inside the soffice binary __must__ use OWeakObject and
css::uno::WeakReference to do any weak stuff.
and then I can specialise the weak object implementation into two - one
fast one for everything inside the process, and a slow one for handling
cross-process weak pointers.
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