Rubinius and RubySpec talk at the contributing to Open Source track at Red Dirt Ruby Conference 2011. These are the full slides. The talk used an abbreviated selection of these slides.

1. Joy of
The
Rubinius

2. Agony
The
of
RubySpec

3. http://www.flickr.com/photos/sukaina/3506948906/

4. ∞
more transitions

5. “I lay awake at night
dreaming about how
to make developers
happy”
http://dev-logger.blogspot.com/2009/01/reasons-behind-ruby-by-yukihiro-matz.html

6. caution
(truth may be stretched)

7. attention

8. question

9. act

10. emotional
l
ica
me
ys
n
tal
ph

11. Why
Rubinius

13. whyuserubinius.com

14. happy fun

15. happy fun
serious business™

16. serious business™
happy fun

17. when itʼs not fun
anymore

18. proud to use Ruby

19. http://terrychay.com/article/egos-and-assholes.shtml

20. we use blocks

21. canʼt we all just
get along?

22. feeling deep pleasure
or satisfaction

23. Microsoft vs Apple

24. pragmatic

26. ph
ys
ica
l
em
mental
oti
on
al

28. Architecture
your application
core library standard lib
C-API JIT primitives
garbage
virtual machine
collector

29. Architecture
your application
core library standard lib
C-API JIT primitives
garbage
virtual machine
collector

30. Virtual Machine
Method Constant Primitive
Dispatch Lookup Operations
IO Threads
Garbage Collector
Bytecode Interpreter

31. Virtual Machine
Method Constant Primitive
Dispatch Lookup Operations
IO Threads
Garbage Collector
Bytecode Interpreter

32. Virtual Machine
Method Constant Primitive
Dispatch Lookup Operations
IO Threads
Garbage Collector
Bytecode Interpreter

33. Virtual Machine
Method Constant Primitive
Dispatch Lookup Operations
IO Threads
Garbage Collector
Bytecode Interpreter

35. Bytecode Compiler
Parser Compiler
Symbolic Compiled Compiled
String AST Bytecode Method File

36. Source → Parser → Compil

37. Source → Parser → Compiler → Virtu
Abstract Syntax Tree
script
class
name superclass method
Exclaimer nil blurt

38. Source → Parser → Compiler → Virtual Machin

40. Generational GC
Young Mature
Nursery
Semi-
Space Immix
Large Object Space

41. Immix:
A Mark-Region Garbage Collector
with Space Efficiency, Fast
Collection, and Mutator
Performance
Blackburn, S. & McKinley, K.
(PLDI 2008)

42. just-in-time compiler

43. LLVM

47. Rubinius is

48. modern

49. sophisticated

50. high-performance

51. Ruby environment

52. l
nta
physical
me
al
on
oti
em

53. > time rbx -e ‘puts 1’
0.3864s
> time ruby -e ‘puts 1’
0.0196s

54. ZOMG
20x slower

55. or
0.3668s slower

56. x 1000 tests

57. 0.32s vs 6m

58. :’(

59. </3

61. M
_script_
A
foo _block_

62. Bootstrapping
http://www.myvintagesecret.com/page/7/

63. VM | OM

64. alpha.rb
VM | OM

65. bootstrap/
alpha.rb
VM | OM

66. platform/
bootstrap/
alpha.rb
VM | OM

67. common/
platform/
bootstrap/
alpha.rb
VM | OM

68. delta/
common/
platform/
bootstrap/
alpha.rb
VM | OM

69. loader.rb
delta/
common/
platform/
bootstrap/
alpha.rb
VM | OM

70. problem

71. opportunity

72. all good things
come to those
who wait

73. be lazy

74. 1. save as list

75. 2. load script

76. 3. resolve on call

77. Ruby and C++
sittinʼ in a tree...

78. kernel/bootstrap/array.rb

79. vm/builtin/array.hpp

80. kernel/bootstrap/array.rb

81. vm/builtin/array.hpp

82. vm/gen/primitives_glue.gen.hpp

83. LazyExecutable

84. kernel/bootstrap/lazy_executable.rb

85. vm/builtin/lazy_executable.hpp

86. vm/builtin/lazy_executable.cpp

87. detect

88. 1. check method
2. load if needed

89. encode

90. lib/compiler/compiled_file.rb

91. lib/compiler/compiled_file.rb

92. decode

93. vm/marshal.cpp

94. vm/marshal.cpp

95. vm/marshal.cpp

96. 1. save as list
2. load script
3. resolve on call

97. how to contribute

98. 1. run your code

99. 2. file issues

100. 3. read docs

101. > rbx docs

102. 4. file issues

103. 5. write libraries

104. 6. talk to people

105. 7. send patches

106. no effort is too small

107. gh:evanphx/rubinius
http://rubini.us

108. Agony
The
of
RubySpec

109. array/index_spec.rb

110. array/index_spec.rb

111. integer/even_spec.rb

112. file/open_spec.rb

113. spec/compiler/and_spec.rb

114. 3761 files
16366 examples
44765 expectations
0 failures
0 errors

115. 99.5%

116. gh:rubyspec/rubyspec
http://rubyspec.org

117. Letʼs discuss...

118. |
Brian Ford brixen
{ rstat.us twitter IRC gmail }