Abstract: "General Capabilities of GraalVM" GraalVM project enhances the Java ecosystem with an integrated, polyglot, high-performance execution environment for dynamic, static, and native languages. GraalVM supports Java, Scala, Kotlin, Groovy, and other JVM-based languages. At the same time, it can run the dynamic scripting languages JavaScript including node.js, Ruby, R, and Python. In this session you'll see demos and learn what you can do with GraalVM, from using it as the JVM JIT compiler, enhancing the JIT, running native and polyglot programs, compiling them ahead of time for faster startup and lower runtime overhead, debugging your polyglot code using exact same tools for any language, to profiling performance and memory of your application and embedding GraalVM in a native application for portability. GraalVM offers you the opportunity to write the code in the language you want, which suits the problem the best, and run the resulting program really fast wherever you like: JVM, native code, even inside a database.

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Oleg Šelajev
GraalVM team, Oracle Labs
@shelajev

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Safe Harbor Statement
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development, release, and timing of any features or functionality described in
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Oracle. Any views expressed in this presentation are my own and do not
necessarily reflect the views of Oracle.
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Fast Java, Scala, Kotlin, Groovy, Clojure...
Instant startup, low footprint
Polyglot & embeddable VM
Interoperability between languages: node.js, Python, Ruby, R
Why GraalVM?

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Java HotSpot VM
GraalVM Compiler

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Java HotSpot VM
GraalVM Compiler
Truffle Framework
LLVM

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• More performance
• Smaller footprint
• Managed runtime for better
isolation when running native code
• Oracle Enterprise Support 7x24x365
Launching earlier this month:
GraalVM Enterprise 19.0

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Renaissance suite
https://renaissance.dev

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Streams API example benchmarks
https://medium.com/graalvm/stream-api-performance-with-graalvm-be6cfe7fbb52

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sbt > clean; compile;
https://medium.com/graalvm/compiling-scala-faster-with-graalvm-86c5c0857fa3

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Matrix multiplication
https://www.youtube.com/watch?v=RFF2SfPMfpk

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valhallaBench.Multiply.multiply (lower is better)
JDK 11 (size) Mode Cnt Score Error Units
valhallaBench.Multiply.multiply 100 avgt 3 7944.935 ± 1963.931 us/op
JDK11 + Graal (size) Mode Cnt Score Error Units
valhallaBench.Multiply.multiply 100 avgt 3 3450.944 ± 1130.123 us/op
GraalVM EE 1.0-rc8 (size) Mode Cnt Score Error Units
valhallaBench.Multiply.multiply 100 avgt 3 3134.066 ± 518.812 us/op
Matrix multiplication
2.3x
2.5x

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21. https://twitter.com/janiszt/status/1091678397523283968

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ECMAScript 6 compatibility

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Graal.js on JDK11
https://github.com/graalvm/graal-js-jdk11-maven-demo

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https://www.youtube.com/watch?v=mRKjWrNJ8DI

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https://medium.com/graalvm/faster-r-with-fastr-4b8db0e0dceb

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https://medium.com/graalvm/analyzing-the-heap-of-graalvm-polyglot-applications-b9963e68a6a

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https://medium.com/graalvm/safe-and-sandboxed-execution-of-native-code-f6096b35c360

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High performance, polyglot, language-level virtualization layer…
embeddable across the stack
in native and JVM-based applications.

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Fast Java, Scala, Kotlin, Groovy, Clojure...
Instant startup, low footprint
Polyglot & embeddable VM
Interoperability between languages: node.js, Python, Ruby, R
Why GraalVM?