Re: [PyMOL] Performance of extended commands vs python function

[Lorenzo G. <br...@gm...>]

Yes, it does. Both cases are with the GUI and ewual graphical
representation.

On Mon, Dec 16, 2019, 17:37 Thomas Holder <tho...@sc...>
wrote:

> Hi Lorenzo,
>
> When you say "run from a python script", is that with the graphical GUI?
> That "instant update", does that include instant update of visual
> representations?
>
> Thanks,
>   Thomas
>
>
> > On Dec 13, 2019, at 12:55 PM, Lorenzo Gaifas <br...@gm...> wrote:
> >
> > Dear Pymol users,
> >
> > I just discovered something I did not expect: the same python function
> can have extremely different performance when called as a python function
> or using the pymol api.
> >
> > To be more specific: I have a function func that (among other things)
> uses cmd.alter several times over a big system to change the properties and
> representation.
> >
> > If I run it calling func() from a python script, its effects are almost
> instant. If I call it with cmd.do('func') (or directly from within pymol
> with func), it’s extremely slow (up to 10 seconds) and Pymol freezes
> completely during this time.
> >
> > I expected this to be due to an overhead of the api itself, but when I
> do the same thing with a simpler function, I see no noticeable difference.
> >
> > Why exactly is this happening? And more importantly, how can I get the
> performance of func even when I call it from within pymol?
> >
> > Thank you,
> > Lorenzo
> >
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> --
> Thomas Holder
> PyMOL Principal Developer
> Schrödinger, Inc.
>
>