Ruby is not slow anymore

Ruby is not slow anymore @kalashnikovisme

Pasha Kalashnikov @kalashnikovisme Backend Engineer @ @evilmartians

@kalashnikovisme @evilmartians They say

Ruby is too slow @kalashnikovisme @evilmartians They say What does
it mean?

1 2 3 4 5 6 7 8 9 10
11 12 13 14 the_fastest_lang.rb faster.cpp @kalashnikovisme @evilmartians def sum_eq_n?(arr, n) return true if arr.empty? && n == 0 arr.product(arr).reject do |a,b| a == b end.any? { |a,b| a + b == n } end Is this slow?

1 2 3 4 5 6 7 8 9 10
11 12 13 14 the_fastest_lang.rb faster.cpp @kalashnikovisme @evilmartians def some_method sleep Random.rand(1_000_000) end or this?

what is slow? @kalashnikovisme @evilmartians But

@kalashnikovisme @evilmartians What virtual machine is slow?

@kalashnikovisme @evilmartians What virtual machine is slow? (interpreter, runtime)

MRI / YARV - slow ? @kalashnikovisme @evilmartians What virtual
machine? (interpreter, runtime)

MRI / YARV - slow ? @kalashnikovisme @evilmartians JRuby /
JVM - slow ? What virtual machine? (interpreter, runtime)

MRI / YARV - slow ? @kalashnikovisme @evilmartians JRuby /
JVM - slow ? Rubinius - slow ? What virtual machine? (interpreter, runtime)

@kalashnikovisme

@kalashnikovisme hack yourself

@kalashnikovisme Ruby

@kalashnikovisme Rust

Year of Rust @kalashnikovisme @evilmartians 2022 in the Ruby community

Proof of concept @kalashnikovisme @evilmartians Let’s make a The fastest
JSON parser Ruby gem ever!!!

https://youtu.be/qxZ2ste7RyA

@kalashnikovisme @evilmartians Ruby Class Magnus Type String RString Integer Integer
Float Float Array RArray Hash RHash Symbol Symbol Class RClass Module RModule

Thanks for watching @kalashnikovisme @evilmartians and don’t forget to subscribe!
@kalashnikovisme @kalashnikovisme kalashnikovisme.medium.com [email protected] @evilmartians @evilmartians https://evilmartians.com

Ruby is not slow anymore

Ruby is not slow anymore

Pavel Kalashnikov

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