05 Jan '13, 4pm

Blog post: Constant and Global Optimization in JRuby 1.7.1 and 1.7.2

Because global variables have a much simpler structure than constants, they're pretty easy to optimize. I had not done so up to JRuby 1.7.1 mostly because I didn't see a compelling use case and didn't want to encourage their use. However, after Tony Arcieri pointed out that invokedynamic-optimized global variables could be used to add logging and profiling to an application with zero impact when disabled, I was convinced. Let's look at the example from above again.

Full article: http://blog.headius.com/2013/01/constant-and-global-optim...

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