Hi,
I have an application that is primarily two data grids (summary and
detailed) that is suffering from performance problems (takes approx
20 seconds to render a page). I am just about to start profiling
and examining our application for performance, and have a host of
introductory questions
1. Is there a performance difference between accessing
properties as object.property and object[property].
2. Is there a performance difference between calling methods
and static methods?
3. What is the overhead for the dispatcher and dispatching
events vs. calling methods directly?
4. What is the difference between instantiating classes using
new vs createClassObject. What are the best practices between their
usage?
5. The Flex Application Performance
paper on
Macromedia's
site suggests using absolute positioning and sizing. What is the
difference between setting width/height and calling setSize. What
is the difference between setting x,y vs move. What is the the
preferred mechanism for setting the above.
6. What documents are available to help me better understand
how the UI component work so that I can apply appropriate mechanisms
to improve rendering of the application.
7. What have been other peoples experience and how have they
improved the performance of the application?
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