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mruby VM

Yukihiro Matsumoto
July 04, 2023
Programming
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62

mruby VM

RubyKaigi 2023 LT

The internal of the mruby VM (in 5 minutes)

Yukihiro Matsumoto

July 04, 2023
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Transcript

  1. Powered by Rabbit 3.0.1 mruby VM OSS Vision Ruby Association

    Yukihiro "Matz" Matsumoto @yukihiro_matz

  2. Powered by Rabbit 3.0.1 　 mruby

  3. Powered by Rabbit 3.0.1 　 Alternative Ruby Implementation

  4. Powered by Rabbit 3.0.1 　 M-Ruby

  5. Powered by Rabbit 3.0.1 　 Modular Ruby

  6. Powered by Rabbit 3.0.1 　 eMbeddable Ruby

  7. Powered by Rabbit 3.0.1 　 Memory efficient Ruby

  8. Powered by Rabbit 3.0.1 　 Embeddable VM

  9. Powered by Rabbit 3.0.1 　 Register Based Instruction Set Ruby

    Specialized Instructions Portable Instruction Set

  10. Powered by Rabbit 3.0.1 　 Register vs Stack

  11. Powered by Rabbit 3.0.1 Stack based Instructions PUSH 1 PUSH

    2 ADD

  12. Powered by Rabbit 3.0.1 　 Less Operands Smaller Instructions Highly

    Dependent Instruction Order

  13. Powered by Rabbit 3.0.1 Register based Instructions LOADINT R1 1

    LOADINT R2 2 ADD R1 R2

  14. Powered by Rabbit 3.0.1 　 More Operands Longer Instructions Independent

    Instruction Order Easier to Peep-hole Optimize

  15. Powered by Rabbit 3.0.1 　 # a (R1) = 42

    LOADINT R2 42 MOVE R1 R2

  16. Powered by Rabbit 3.0.1 　 # a (R1) = 42

    LOADINT R1 42

  17. Powered by Rabbit 3.0.1 　 Ruby Specialized Instructions

  18. Powered by Rabbit 3.0.1 　 GETIV,GETCV,GETCONST SEND,SENDB SUPER EXCEPT,RESCUE,RAISEIF

  19. Powered by Rabbit 3.0.1 　 Portable

  20. Powered by Rabbit 3.0.1 　 Can be dumped in binary

    format

  21. Powered by Rabbit 3.0.1 　 Used by mruby, mruby/c

  22. Powered by Rabbit 3.0.1 　 Not easy to upgrade

  23. Powered by Rabbit 3.0.1 　 Compile Once, Run Anywhere

  24. Powered by Rabbit 3.0.1 　 Even on Keyboards

  25. Powered by Rabbit 3.0.1 　 Sponsored by Salesforce.com

  26. Powered by Rabbit 3.0.1 　 Sponsored by NaCl

  27. Powered by Rabbit 3.0.1 　 Sponsored by GitHub Sponsors

  28. Powered by Rabbit 3.0.1 　 Sponsored by Ruby Community

  29. Powered by Rabbit 3.0.1 　 Thank you