Posts Tagged local

Local Variable Caching

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Recently, I’ve seen a lot of performance-critical code that has made heavy use of field variables. For example, an expensive loop might look like this: for (var i:int = 0; i < this.numObjects; ++i). I've recommended to some of the programmers writing such code that they modify it to cache the field variable as a local variable to improve performance. Was I right to recommend this? In today's article I'll examine the read and write times to see if caching field variables locally really improves performance.

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Argument Clash

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I am often burned by MXMLC: the AS3 compiler. When I am, I find this infuriating and look for the reason why this happened. Today I’ll tip you off about this problem and delve into what it means if you happen to trigger it.

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