Memory Profile of MXML vs AS3 for ItemRenderers

Memory Profile of MXML vs AS3 for ItemRenderers

Although using MXML can be quicker to code up it appears that using it for itemRenderers is a lot more CPU intensive than coding itemRenderers in AS3. The Repeater component also seems to hog a lot of memory.

MXML vs AS3 for itemRenderers

this is an ItemRenderer memory profile using MXML

this is the same itemRenderer recoded in AS3

 

Example of Memory usage for a Repeater component vs AS3 (based on the Paginator Component we built)

 

Profile of Paginator using a Repeater Component

Profile of Paginator using a good old fasioned for loop:

Advice:

try and always you an AS3 Class for itemRenderers rather than MXML. I wonder if Gumbo is going to be any better?

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