mruby VM

RubyKaigi 2023 LT

The internal of the mruby VM (in 5 minutes)

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