> On 7 Oct 2019, at 11:55, Esteban Maringolo <[email protected]> wrote:
>
>> Are we sure that Git is really the best way to go? Yes, it’s everywhere,
>> but its representation in Iceberg seems awkward or incomplete. I’ve been
>> able to crash several Pharo VMs with routine repo operations. This is why I
>> backed away recently from Pharo--that and the mush (see below).
>
> I haven't seen is the instability of the VM you mention, it has
> worked pretty well for my average use, although the UX is not
> straightforward.
>
>> The other thing that keeps me planted firmly in VW is the sheer speed of it.
>
> I don't know if there are recent benchmarks, but I've felt Pharo to be
> really fast compared to VW when it comes to computing.
He is talking about the UI: While the VM is pretty fast, the first approach to
it is our UI, and yes, it is slower (then some people may think the VM is
slower, which is not the case).
>
>> Pharo looks generally much better, but it’s mushy, and that’s a problem. VW
>> is not.
>
> Working regularly with VW or VAST when I go back to Pharo the
> "mushiness" is significantly noticeable, but if you open a Pharo 3
> image (or even Pharo 4) you'll feel it really "snappy", but of course
> you'll lose all the improvements since then; and that's the current
> tradeoff.
>
> I never understood the reason for the incremental slowdown, it is even
> present in "modern" tools such as GTToolkit.
>
>> Gestural dynamics are very quick, well under 100 ms latency, often less than
>> 20 ms.
>> I’m seeing 100, 150, and 200 ms regularly in Pharo. It’s too mushy, and
>> that slows the mind.
>> Any developer understands this, whether he talks about it or not.
>
> This is true, below 20ms is ideal, and top-notch CLI terminals are
> benchmarking this as a selling point (using stuff like
> https://github.com/pavelfatin/typometer), Sublime, TextEdit, Notepad++
> measure sub 10ms latency.
>
>> So I’m wondering when the Pharo GUI will snap as well as VW.
>
> Maybe with native widgets there will be a significant speedup,
> although I don't know whether the lag comes from rendering time or
> from something else.
Morphic + Glamour sometimes + bad UI/algorithms design put us in a bad place
concerning UI speed.
We are working to fix it, but this is not straightforward.
Esteban
> But VW event model is not better than Pharo's, so it might be something else.
>
> Regards,
>
> Esteban A. Maringolo
>
