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Copyright © 2019, Oracle and/or its affiliates. All rights reserved.
Oleg Šelajev
GraalVM team, Oracle Labs
@shelajev

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Safe Harbor Statement
The following is intended to provide some insight into a line of research in Oracle
Labs. It is intended for information purposes only, and may not be incorporated
into any contract. It is not a commitment to deliver any material, code, or
functionality, and should not be relied upon in making purchasing decisions. The
development, release, and timing of any features or functionality described in
connection with any Oracle product or service remains at the sole discretion of
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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Copyright © 2019, Oracle and/or its affiliates. All rights reserved. !6

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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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Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 11
• 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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Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | !18
Matrix multiplication
https://www.youtube.com/watch?v=RFF2SfPMfpk

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Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | !19
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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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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Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | !29

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

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Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | !32

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Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | !33
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.

35.
Copyright © 2019, Oracle and/or its affiliates. All rights reserved. !35
Fast Java, Scala, Kotlin, Groovy, Clojure...
Instant startup, low footprint
Polyglot & embeddable VM
Interoperability between languages: node.js, Python, Ruby, R
Why GraalVM?