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Ruby is
not slow
anymore
@kalashnikovisme
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Pasha
Kalashnikov
@kalashnikovisme
Backend Engineer
@
@evilmartians
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@kalashnikovisme @evilmartians
They say
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Ruby is
too slow
@kalashnikovisme @evilmartians
They say
What does it mean?
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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?
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the_fastest_lang.rb faster.cpp
@kalashnikovisme @evilmartians
def some_method
sleep Random.rand(1_000_000)
end
or this?
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what is
slow?
@kalashnikovisme @evilmartians
But
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@kalashnikovisme @evilmartians
What virtual machine is slow?
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@kalashnikovisme @evilmartians
What virtual machine is slow?
(interpreter, runtime)
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MRI / YARV - slow ?
@kalashnikovisme @evilmartians
What virtual machine?
(interpreter, runtime)
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MRI / YARV - slow ?
@kalashnikovisme @evilmartians
JRuby / JVM - slow ?
What virtual machine?
(interpreter, runtime)
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MRI / YARV - slow ?
@kalashnikovisme @evilmartians
JRuby / JVM - slow ?
Rubinius - slow ?
What virtual machine?
(interpreter, runtime)
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@kalashnikovisme
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@kalashnikovisme
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@kalashnikovisme
hack yourself
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@kalashnikovisme
Ruby
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@kalashnikovisme
Rust
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Year of
Rust
@kalashnikovisme @evilmartians
2022
in the Ruby community
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Proof of
concept
@kalashnikovisme @evilmartians
Let’s make a
The fastest JSON parser
Ruby gem ever!!!
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https://youtu.be/qxZ2ste7RyA
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@kalashnikovisme @evilmartians
Ruby Class Magnus Type
String RString
Integer Integer
Float Float
Array RArray
Hash RHash
Symbol Symbol
Class RClass
Module RModule
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Thanks for watching
@kalashnikovisme @evilmartians
and don’t forget to
subscribe!
@kalashnikovisme
@kalashnikovisme
kalashnikovisme.medium.com
[email protected]
@evilmartians
@evilmartians
https://evilmartians.com