1. Rubinius
Use Ruby

2. Dirkjan Bussink
http://github.com/dbussink
@dbussink

4. 1.1 is out!

5. Let’s have fun
and write a new
interpreter!
2006

6. 1.0 by end 2007!
2006

7. Ok, maybe not...
2007

8. 1.0!
2010

10. 2 virtual machines

11. 2 virtual machines
1.75 garbage collectors

12. 2 virtual machines
1.75 garbage collectors
3 bytecode compilers

13. 2 virtual machines
1.75 garbage collectors
3 bytecode compilers
1 Ruby core library

14. 2 virtual machines
1.75 garbage collectors
3 bytecode compilers
1 Ruby core library
2 primitives systems

15. 2 virtual machines
1.75 garbage collectors
3 bytecode compilers
1 Ruby core library
2 primitives systems
2 JIT compilers

16. Rubyspec

17. Ruby in Ruby

18. module Enumerable
def collect
if block_given?
ary = []
each { |o| ary << yield(o) }
ary
else
to_a
end
end
alias_method :map, :collect
end

19. What is Rubinius
these days?

20. Compacting generational
garbage collector

22. http://www.flickr.com/photos/ell-r-brown

23. class Address
attr_reader :street
attr_reader :number
attr_reader :city
end
Address.instance_variable_get("@seen_ivars")
=> [:@street, :@number, :@city]

24. a = Address.new
a.street = "Street"
a.number = "1"
a.city = "Enschede"
Rubinius.memory_size(a) => 56
VS
Rubinius.memory_size(a) => 160

25. JIT

26. InlineCache

27. module CoolModule
def method1
1 + 1
end
end
class CoolObject
include CoolModule
end
CoolObject.new.method1

28. Call counting

29. def method1
1 + 1
end
def method2
method1
end
100.times do
method2
end

30. members of rubinius::VMMethod:
total_args = 0,
call_count = 21,
llvm_function_ = 0x0,
name_ = 0x6306,

31. Go JIT!
RBX LLVM
thread(s) thread
Here it is!

32. Debugging

33. DEMO

34. Profiling

35. DEMO

36. Contributing

37. 3 legged dog turtles space shuttle rubinius
Performance
26

38. commit 5386d9299360b5f1ede14392b97da6dc7163ed00
Author: Dirkjan Bussink <d.bussink@gmail.com>
Date: Tue Jan 8 20:29:01 2008 +0100
Added Process::POSIX safety checks
diff --git a/kernel/core/process.rb b/kernel/core/process.rb
index fec15b6..ff50b49 100644
--- a/kernel/core/process.rb
+++ b/kernel/core/process.rb
@@ -103,11 +103,15 @@ module Process
end
def self.getpgid(pid)
- Platform::POSIX.getpgid(pid)
+ ret = Platform::POSIX.getpgid(pid)
+ Errno.handle if ret == -1
+ ret
end
def self.setpgid(pid, int)
- Platform::POSIX.setpgid(pid, int)
+ ret = Platform::POSIX.setpgid(pid, int)
+ Errno.handle if ret == -1
+ ret
end
@maxgroups = 32

39. 1 patch == commit access

40. rbx my_awesome_code.rb

41. Future

42. 1.9

45. DEMO

46. So when will you
be a contributor?