Re: [Xsltforms-support] Cumulative refresh time in IE

[Alain C. <ala...@ag...>]

Hi Tim,

First, the Javascript engine of Internet Explorer is effectively the 
slowest one.

But, XSLTForms v1 is also using the native XML engine of each browser 
and, for both Internet Explorer and Edge, it is still MSXML, which is a 
COM object. It appears that it is, again, the slowest one with DOM API, 
probably because it is not embedded in the browser itself.

XSLTForms v2 is using Fleur, which is a Javascript XML engine. For 
loading big XML files, such as some XQuery test sets ;-) , in Internet 
Explorer, Fleur parser is already almost as fast as MSXML. When 
refreshing, because of MIPs and dependencies to be memorized, a lot of 
xsltforms-* attributes are added by XSLTForms v1. For XSLTForms v2, 
userdata property is directly used within Fleur Node object. I don't 
have yet performance reports for forms refresh with XSLTForms v2 and Fleur.

Specifically for Internet Explorer, sorry, I have no idea for 
performance improvement which could already be applied to XSLTForms v1.

--Alain

Le 22/03/2016 20:49, Tim Thompson a écrit :
> Hi, Alain,
>
> A quick question. I have a very simple form whose purpose is to 
> display an XML report (150KB). It can be accessed here:
>
> http://bibfram.es/basex/static/test/index.xml
>
> This is running in Tomcat7 in a BaseX web app.
>
> The XForms Cumulative Refresh Time is essentially the same in Firefox 
> and Chrome: 695ms in FF and 669 in Chrome. However, in Internet 
> Explorer, it skyrockets to 4471ms.
>
> Is IE really that bad, or is there something that I can do to optimize 
> performance for this browser?
>
> Best regards,
> Tim
>
> --
> Tim A. Thompson
> Metadata Librarian (Spanish/Portuguese Specialty)
> Princeton University Library
>
>
>
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