Nested groups

J. Landman Gay jacque at
Tue Feb 7 17:19:14 EST 2017

On 2/7/17 4:07 PM, Paul Dupuis via use-livecode wrote:
> On 2/7/2017 5:01 PM, J. Landman Gay via use-livecode wrote:
>> On 2/7/17 2:13 PM, Richard Gaskin via use-livecode wrote:
>>> J. Landman Gay wrote:
>>>> Curiosity question: Do multiple nested groups (3 or 4 levels deep)
>>>> affect CPU and memory performance? Are fewer nested groups easier
>>>> on the engine?
>>> Because they effectively deepen the message path, I'd wager there is
>>> some difference, at least in terms of initializing the message path as
>>> the objects are unpacked before preOpenCard.
>>> That said, given the speed of the natural message path I'd wager it
>>> would be small enough to be unnoticeable, and perhaps even difficult to
>>> measure.
>> I was thinking about the amount of redrawing the engine would need to
>> do to render them.
> I have a number of stack with a lot of controls in multiple nested
> groups. For me, the groups are primarily for organizing objects on the
> card so I can find what I am looking for as a developer. OR when I want
> to move a set of related control around. In all such cases, I have never
> noticed a visible difference in rendering of the cards vs card with few
> groups or fewer controls in a similar number of groups.
> This is just human perception. I have never timed renderings to compare.

Thanks. I'm working with a stack that has some memory issues which 
includes many image-rich nested groups. I don't think this is 
contributing directly to the problem but wondered if reducing the number 
of groups might help.

Jacqueline Landman Gay         |     jacque at
HyperActive Software           |

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