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Graalvm with Groovy and Kotlin - Greach 2019
- 1. Salenda GraalVM with Groovy & Kotlin Alberto De Ávila Hernández
- 2. A B O U T M E ✴ Team Lead at Salenda ✴ Groovy & Grails dev ✴ Atlassian certified @alberto_deavila
- 3. S A L E N D A
- 4. S O F T WA R E D E V E L O P M E N T Turnkey development Atlassian Solution Partner Consulting and support in software architecture and analysis Application integration Evolutionary support of our own developments or inherited ones @alberto_deavila
- 5. DISCLAIMER
- 6. Goals
- 7. G O A L S ✴ Increase our JVM performance ✴ Future of JVM ✴ Programming languagues interoperability ✴ System independence ✴ Serverless @alberto_deavila
- 8. ✴ GraalVM & features ✴ Show me more code ✴ Limits using GraalVM ✴ Future S U M M A RY @alberto_deavila
- 9. GraalVM
- 10. @alberto_deavila first... what is Graal?
- 11. G R A A L @alberto_deavila A dynamic just-in-time compiler that improves efficiency and speed
- 12. G R A A L @alberto_deavila A (JIT) compiler for Java transforms bytecode to machine code
- 13. G R A A L @alberto_deavila Source: https://www.dynatrace.com/news/blog/new-ways-introducing-compiled-code-java-9/
- 14. G R A A LV M A R Q U I T E C T U R E @alberto_deavila Source: https://res.infoq.com/presentations/polyglot-jvm-graal/en/slides/sl13.jpg
- 15. @alberto_deavila then... what is GraalVM?
- 16. G R A A LV M @alberto_deavila Ecosystem and shared runtime offering performance advantages to multiples languages
- 17. G R A A LV M @alberto_deavila Source: https://www.graalvm.org/docs/
- 18. S U P P O R T E D L A N G U A G E S @alberto_deavila ✴ Native support: ✴ Support with installations: Ruby, Python, R ✴ JVM languages: Groovy, Kotlin, Java... ✴ LLVM: C, C++ ✴ Javascript
- 19. ✴ Graal: the JIT compiler ✴ Graal Polyglot APIs: API to combine programming languages ✴ Graal SDK: embedding Graal and configure native images ✴ Oracle HotSpot JVM G R A A LV M @alberto_deavila
- 21. ✴ Community edition: free to use ✴ Enterprise edition: Oracle support G R A A L L I C E N S E @alberto_deavila
- 23. ✴ Interoperate with other languages ✴ Includes consoles for JS, R... ✴ Create compiled native images ✴ Run code faster & efficiently ✴ Tools to monitor, debug, and profile code G R A A LV M F E AT U R E S @alberto_deavila
- 25. @alberto_deavila How can we achieve that?
- 27. ✴ Framework ✴ Allow to create languages interpreters ✴ Based on annotations ✴ Contains common things across any language G R A A LV M T R U F F L E @alberto_deavila
- 28. G R A A LV M T R U F F L E @alberto_deavila Source: https://res.infoq.com/presentations/polyglot-jvm-graal/en/slides/sl13.jpg
- 29. G R A A LV M I N T E R O P E R A B I L I T Y @alberto_deavila JS RubyPython Source: https://www.graalvm.org/docs/reference-manual/polyglot/
- 30. G R A A LV M I N T E R O P E R A B I L I T Y @alberto_deavila JS RubyPython Source: https://www.graalvm.org/docs/reference-manual/polyglot/
- 31. G R A A LV M I N T E R O P E R A B I L I T Y @alberto_deavila JS RubyPython Source: https://www.graalvm.org/docs/reference-manual/polyglot/
- 32. G R A A LV M I N T E R O P E R A B I L I T Y @alberto_deavila Node with R Source: https://docs.google.com/presentation/d/1cBuq4rjaNTOMJOOeGvqnI2TJjWH2VBId7NtVVhXWJkY/edit#slide=id.g495524223b_0_179
- 33. ✴ Use the appropiate languague for any task ✴ Use libraries from differents languagues ✴ Create apps combining languages ✴ One environment for all requirements G R A A LV M I N T E R O P E R A B I L I T Y @alberto_deavila
- 35. ✴ Self-contained executable ✴ Fast startup ✴ Low memory consumption ✴ Can generate binary library ✴ Useful for lambdas, containers or command line G R A A LV M N AT I V E I M A G E S @alberto_deavila
- 36. G R A A LV M N AT I V E I M A G E S @alberto_deavila GraalVM can generate native images BUT not yet cross platform Source: https://github.com/oracle/graal/issues/407
- 38. ✴ Analyze statically all code ✴ Compile reachable code ✴ Generates native code ✴ Package it with SubstrateVM G R A A LV M A O T C @alberto_deavila
- 39. ✴ Framework subset of JVM ✴ No JIT ✴ No optimization ✴ No Graal neither any related with bytecode ✴ Just runtime: GC, threads, I/O, ... G R A A LV M S U B S T R AT E V M @alberto_deavila
- 40. G R A A LV M N AT I V E I M A G E S @alberto_deavila Source: https://twitter.com/cstancu/status/1103413247305166849
- 42. ✴ Depends on code optimizations ✴ Native images startup time is very fast ✴ Each languague has different perfomance G R A A LV M P E R F O R M A N C E @alberto_deavila
- 43. G R A A LV M P E R F O R M A N C E @alberto_deavila Source: https://lafo.ssw.uni-linz.ac.at/pub/papers/2016_PLDI_Truffle.pdf
- 44. G R A A LV M P E R F O R M A N C E @alberto_deavila Source: https://2017.jokerconf.com/en/2017/talks/3qdblcadmqy0me2uuieqaq/ Twitter performance using Graal
- 46. ✴ Use one debugger for all languages, like chrome-dev-tools ✴ VisualVM to show stats about other languages G R A A LV M T O O L S @alberto_deavila
- 47. G R A A LV M T O O L S @alberto_deavila Source: https://github.com/chrisseaton/graalvm-ten-things#5-tools-that-work-across-all-languages
- 48. G R A A LV M T O O L S @alberto_deavila Source: https://github.com/chrisseaton/graalvm-ten-things#5-tools-that-work-across-all-languages
- 49. Show me more code
- 51. ✴ Download manually ✴ Use SDKman ✴ Docker G R A A LV M S E T U P @alberto_deavila
- 53. ✴ Install SDKMAN! ✴ Download GraalVM G R A A LV M S E T U P W I T H S D K M A N ! @alberto_deavila
- 55. G R A A LV M FA C T O R I A L @alberto_deavila Groovy Class
- 56. G R A A LV M FA C T O R I A L @alberto_deavila Groovy Script
- 57. G R A A LV M FA C T O R I A L @alberto_deavila Trying to generate an image you'll get:
- 58. ✴ You need some config: G R A A LV M FA C T O R I A L @alberto_deavila Groovy reflection.json compiler.groovy
- 59. ✴ Then you can compile code: ✴ And generate the image G R A A LV M FA C T O R I A L @alberto_deavila Groovy
- 60. ✴ Compile code ✴ Generate image G R A A LV M FA C T O R I A L @alberto_deavila Kotlin
- 62. ✴ Generate native images from Micronaut app ✴ Java and Kotlin supported, Groovy partially ✴ Includes scripts or Dockerfile to generate it ✴ Generate automatically reflect.json G R A A LV M + M I C R O N A U T @alberto_deavila
- 63. ✴ Create a Micronaut app ✴ Create a controller: G R A A LV M M I C R O N A U T @alberto_deavila Kotlin
- 64. ✴ Generate the image: G R A A LV M M I C R O N A U T @alberto_deavila Kotlin ✴ Use it:
- 65. Limitations
- 66. ✴ Evaluate static code at compile time ✴ No dynamic code ✴ Some strange exceptions appears ✴ Take long time to generate executable ✴ Only for Mac/Linux & 64 bits L I M I TAT I O N S @alberto_deavila
- 68. K O T L I N L I M I TAT I O N S @alberto_deavila Source: https://github.com/oracle/graal/issues/366#issuecomment-383547970 ✴ Almost all features work ✴ Some bugs / features to work, like: ✴ Does not support compilation of non- reducible loops
- 70. ✴ Sometimes requires lot of changes / rewrite ✴ No metaprogramming ✴ Closures requires manual config ✴ Grape doesn't work on standalone native images G R O O V Y L I M I TAT I O N S @alberto_deavila
- 71. G R O O V Y L I M I TAT I O N S @alberto_deavila Source: https://e.printstacktrace.blog/graalvm-and-groovy-how-to-start/
- 72. L I M I TAT I O N S @alberto_deavila Source: https://github.com/oracle/graal/blob/master/substratevm/LIMITATIONS.md
- 73. Future
- 74. F U T U R E @alberto_deavila ✴ More languages and tools will be available ✴ Apps with many languages working ✴ A native image compatible with all OS ✴ Better perfomance ✴ ...
- 75. M O R E I N F O @alberto_deavila ✴ Offial Doc ✴ List of resources for Graal and related topics ✴ Videos and presentations ✴ Top 10 things to do with GraalVM ✴ Kotlin performance with GraalVM