Koichi Sasada (he/him)

#concurrency

#performance

#ruby

#ractors

#ruby-vm

#garbage-collection

#ruby-3

#ruby-internals

#parallel-programming

#memory-management

#cruby

#parallelism

#debugging

#ruby-implementations

#actor-model

#ruby-3-0

#developer-tools

#threads

#virtual-machine

#ruby-interpreter

#threading

#fibers

#ruby-1-9

#bytecode

#compiling

#naming

#just-in-time-compilation

#performance-optimization

#yarv-yet-another-ruby-vm

#programming-languages

#workshop

#hacking

#ruby-core

#thread-safety

#mentorship

#ruby-community

#open-source

#community-engagement

#ruby-heroes

#ruby-on-rails

#performance-tuning

#ruby-performance

#just-in-time-jit

#integrated-development-environment-ide

#domain-specific-language-dsl

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