Re: [Xsltforms-support] xsltforms Performance

[COUTHURES A. <ala...@ag...>]

Christopher,
>
> I have been using xsltforms to create some complicated interfaces.  
> xsltforms performance appears to degrade significantly as the size of 
> the instance data increases.  It does not seem to be impacted as 
> significantly by the number of input controls on the page.  This means 
> that paging the items in my repeat element has almost no performance 
> impact.
>
Can you send me a link or the XForms document itself with its data ?
>
>  
>
> Profiling tools report at least 13 seconds in IE 8 (2.5 seconds in 
> FF/Chrome)
>
Yes, IE is still very slower...
>
> to "tab" from one field to the next, regardless of whether the data in 
> the field was changed.
>
It's a good situation to check with a javascript debugger (focus is 
lost,...).
>
>   As you can expect, this is not acceptable for my users.
>
There are different possibilities of optimization in XSLTForms: less 
generated HTML elements, less Javascript instructions executed,...

Because this has not been done yet, I hope that a minimal effort could 
improve it significantly.
>
>  
>
> What are the scalability limits of xsltforms?
>
This is not yet determined but there are many parameters involved: 
complexity, instance size, number of bindings, ...
>
>   Do you have any suggestions on how to improve performance in my 
> xforms document?
>
Use of // in XPath expressions is surely to avoid.

-Alain