Presentation: Java at Speed
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Abstract
Getting the most of your Java applications can be an interesting challenge. Understanding some of the optimizations the latest crop of JVMs are able to apply when running on the latest servers may help with that.
This talk will discuss some of those features and optimizations. Along with discussing JIT compiler capabilities, we will dive into how such optimizations interplay with warmup, startup, rare executions, and dynamic JIT adaptations. We will also discuss the issues that these techniques can introduce when speed "right out of the gate" or "at rare but critical times" is an important consideration. We'll even throw in some fun examples of micro-benchmarking pitfalls that often come in the way of understanding what reality looks like in such environments.
If you like to geek out to the sound of mechanical sympathy discussions, this is the talk for you.
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