Know your platform. 7 things every Scala developer should know about JVM

Is this fact fully transparent to a Scala developer or does basic understanding of the platform can be beneficial? Can we squeeze full potential out of our code? Are we aware of limits of our runtime environment? This talk will try to answer those questions.

• we will show how Scala code is transformed to bytecode and what that implies
• we will try to answer the question why @tailrec matters
• we will look at the organization of the JVM memory
• we will understand how different GC algorithms work
• we will see if different GC algorithm can change performance of our code
• we will look at toolkits located at JAVA_HOME/bin/
• we will try to scratch a surface of JIT :)

This is basic introduction to the topic. We will not show you how compiler works internally :) But we will try to give you general overview of internals of the platform that you use on a daily basis.

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