[Gambas-user] Big Gambas3 slowdown on hex edit / compare program

[Ron]

On 15-12-2011 5:50, Benoît Minisini wrote:
> Le 15/12/2011 03:42, Benoît Minisini a écrit :
>> Le 15/12/2011 01:19, Caveat a écrit :
>>> Benoit,
>>>
>>> I decided to test against qt and gtk+ by selecting them manually from
>>> the Project Properties, Components.
>>>
>>> If I select gb.qt4, the '4k GUI' builds in just 3 seconds! The '1k GUI'
>>> takes less than 1/2 a second.
>>>
>>> With gb.gtk+ (or gb.gui which is auto-selecting gtk+ afaict), the same
>>> '4k GUI' takes 1.5 minutes to build.
>>>
>>> Hope this helps.
>>>
>>> Regards,
>>> Caveat
>>>
>> Then maybe the problem is in the gb.gtk code, as I didn't wrote all of
>> it... I will take a look.
>>
>> And I don't think that John wanted to be rude or sarcastic at all: I had
>> the same reaction when I saw the 8000+ textboxes.
>>
>> It is something I didn't dare to do (even with qt) without expecting an
>> explosion somewhere. :-)
>>
> OK: the GTK+ functions that modify control colors and fonts are slow,
> and become slower as the number of created controls grows. So I now call
> them only if really necessary in revision #4278.
>
> If you try it, you will get a great speed up.
>
> Regards,
>

You see that even 'unefficient' programming/design of a users project 
helps making Gambas better for all of us.
Specific bugs or slowdowns are easier to spot if you try to get the most 
out of Gambas.

Regards,
Ron_2nd.