Tuesday, August 28, 2012

SmartScreen Filter performance issue in IE8

In IE8, our GWT application seems to suffer significant slowdown when we have slow PCs and smart screen filter on.

Profiling the code, it looks like the problem is with com.google.gwt.user.client.impl.DOMImpl.setEventListener.  We are generating a very large amount of HTML when we assign do the assignment in this method, we get the slowdown (based on profiling results.

Has anyone encountered this issue and if so, how did you rectify it.



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