[jboss-user] [JBoss Seam] - Re: JBoss EL performance vs Sun EL
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Sat Sep 15 16:41:12 EDT 2007
anonymous wrote :
| I very much doubt that. The reason why rendering large tables is slow in JSF is the building of the component tree.
No it is EL. I can see it in profiler.
JSF doesn't have ability to define a variable so you have to
recalculate EL expressions over and over (and that is using reflection!).
JSF doesn't have if/else concept it only has 'rendered'
so where you would normally had 'switch' statement evaluated once
JSF has to evaluate 'rendered' again and again (with reflection!).
I wonder if any thought on performance implications was given during JSF design...
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