The quest to the language Graal: one JVM to rule them all

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The quest to the language Graal: one JVM to rule them all Elder Moraes Developer Advocate @elderjava

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@elderjava 2 Demo time!!!

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@elderjava 3 bit.ly/elderyt Developer Advocate at Red Hat Board Member at SouJava Author of Jakarta EE Cookbook Helps developers to build and deliver awesome applications

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@elderjava 4 PERFORMANCE Only for languages with high Investments High performance for all languages INTEROPERABILITY High cost for serialization Zero overhead TOOLING Each language use its own tools (debugging, profiling, etc) Shared tools for all languages Usually Graal VM

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@elderjava 5 Performance

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@elderjava 6 Languages Performance Benchmark

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@elderjava 7 Math function in different environments

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@elderjava 8 The secret: Graal compiler • JIT (Just in Time) compiler • AOT (Ahead of Time) compiler • Written in Java - easier and faster to evolve (even more optimisation options available) • Years and years of research and work

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@elderjava 9 Interoperability

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@elderjava 10

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@elderjava 11

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@elderjava 12

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@elderjava 13 Truffle: a language implementation framework • Make possible to implement language interpreters • Trufﬂe uses GraalVM on your behalf to gives you a JIT compiler for your language • So... today GraalVM is a JIT compiler for Java, JavaScript, Ruby, R and Python

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@elderjava 14

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@elderjava 15 Truffle has an API for polyglot code

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@elderjava 16 ***IMPORTANT*** • The point is not to mix code from different languages, but: • Allows libs interchange among languages • Select the best (or preferred) language for your task

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@elderjava 17 Tooling

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@elderjava 18 Tooling • If you are a Java developer, probably you are used to high quality tools • If you are not… Trufﬂe comes to the rescue • Whatever tool you make using Trufﬂe’s tool API, you’ll only write it once

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@elderjava 19 More demos!!!

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@elderjava 20

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@elderjava 21 https://chrisseaton.com/trufﬂeruby/tenthings/

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@elderjava 22 Graal VM Advisory Board Bernd Mathiske Amazon Bruno Caballero Microdoc Chris Seaton Shopify Chris Thalinger Twitter Fabio Niephaus Hasso Plattner Graeme Rocher Object Computing Johan Vos Gluon Max Andersen Red Hat Michael Hunger Neo4j Sébastien Deleuze VMware Thomas Wuerthinger Oracle Xiaohong Gong Arm Technology Source: https://www.graalvm.org/community/advisory-board/