ESC meeting minutes: 2020-05-14

Noel Grandin noelgrandin at
Thu May 14 15:02:20 UTC 2020

On Thu, 14 May 2020 at 16:51, Miklos Vajna <vmiklos at> wrote:

>         + 'performance problem with plenty comments' still in 6.3 alpha1,
> *only after save of file/autosave*
>             +
>             + Armin?
>             + the problem is that (a) as soon as we display a note it
> becomes an SdrObject and stays an SdrObject until Calc closes (b) when we
> save, we create an SdrObject for every note during the save process (Noel)
>             + tons of SdrObjects interact badly with the accessibility
> stuff in calc, and it becomes a huge slowdown. I've optimized the
> accessibility stuff as much as possible, but we have run out of easy/medium
> fixes
>             + even if we throw away things after a timeout, it won’t help
> much (Eike)
We can't even throw things away. The current data path goes (strictly one

data_in_file -> nice compact notes summary objects -> large expensive
SdrObjects -> saved to disk

Note the complete absence of any way of going backwards here - and
implementing such looks quite tricky (to me).

Maybe to someone else it will be easier :-)
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