Invokedynamic and Jython

invokedynamic and Jython

Jeremy Siek jeremy.siek@colorado.edu

Jim Baker jim.baker@

Shashank Bharadwaj shashank.bharadwaj@colorado.edu

Department of ECEE, University of Colorado, Boulder

Jython Ubuntu Server Team

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Outline

? What is Jython? ? Call-site specialization ? Iterator Expression Transformation

invokedynamic and Jython ? 2 of 41

Outline

? What is Jython? ? Call-site specialization ? Iterator Expression Transformation

invokedynamic and Jython ? 3 of 41

What is Jython?

Jython is an implementation of the Python Programming Language that compiles to JVM bytecode. Jython 2.6 will:

? support for Python 2.6 ? run only on Java 6+ ? improve performance by using invokedynamic

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How is Python compiled to Java Bytecode?

Consider the statement: print a + b + c

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