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Java JIT compiler for download

I want to download the JIT compiler for Java. Where can I get a good JIT compiler?

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The JIT compiler works as part of the JVM - it's not what you download and run separately.

In the early days of Java, you used the ability to run JIT as a plugin, but these days there is no need. Any regular, modern Java desktop environment will include JIT.

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Most JVMs have a built-in JIT. Download any of them.

I assume that you are looking for java for the native .exe compiler in the erroneous belief that this will give a significant difference in performance. For Java, this does not apply to most real applications and just makes them more complex.

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Any modern, well-functioning Java implementation comes with JIT, and usually you don’t have to worry about these things. The most common implementation of Oracle Java is available from http://java.com .

If you, however, have a performance problem, this is usually a problem with your own code, so use a suitable profiler (jvisualvm in Sun 6 JDK is a good, free starting point) to identify your bottlenecks so you can fix them.

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Source: https://habr.com/ru/post/1333347/

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