Best Practice For UX Deliverables - Eventhandler, London, 05 March 2014
Reddirt2011
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TheJoyRubinius
of
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TheAgonyRubySpec
of
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http://www.flickr.com/photos/sukaina/3506948906/
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∞more transitions
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http://dev-logger.blogspot.com/2009/01/reasons-behind-ruby-by-yukihiro-matz.html
“I lay awake at night dreaming about how to make developers happy”
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caution(truth may be stretched)
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attention
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question
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act
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emotional
mental phys
ical
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WhyRubinius
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whyuserubinius.com
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happy fun
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happy funserious business™
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happy funserious business™
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when itʼs not fun anymore
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proud to use Ruby
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http://terrychay.com/article/egos-and-assholes.shtml
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we use blocks
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canʼt we all justget along?
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feeling deep pleasureor satisfaction
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Microsoft vs Apple
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pragmatic
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mental
physical emoti
onal
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virtual machine
C-API
garbage collector
primitives
core library standard lib
your application
Architecture
JIT
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core library standard lib
your application
Architecture
virtual machine
C-API
garbage collector
primitivesJIT
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Virtual Machine
Bytecode Interpreter
Garbage Collector
ThreadsIO
Primitive Operations
Method Dispatch
Constant Lookup
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Virtual Machine
Bytecode Interpreter
Garbage Collector
ThreadsIO
Primitive Operations
Method Dispatch
Constant Lookup
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Virtual Machine
Bytecode Interpreter
Garbage Collector
ThreadsIO
Primitive Operations
Method Dispatch
Constant Lookup
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Virtual Machine
Bytecode Interpreter
Garbage Collector
ThreadsIO
Primitive Operations
Method Dispatch
Constant Lookup
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String
Bytecode Compiler
AST SymbolicBytecode
CompiledMethod
CompiledFile
Parser Compiler
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Source → Parser → Compiler
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Source → Parser → Compiler → Virtu
script
class
name
Exclaimersuperclass
nilmethod
blurt
Abstract Syntax Tree
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Source → Parser → Compiler → Virtual Machin
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Large Object Space
Nursery
Young
Semi-Space
Mature
Immix
Generational GC
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Immix:A Mark-Region Garbage Collector
with Space Efficiency, Fast Collection, and Mutator
Performance
Blackburn, S. & McKinley, K.(PLDI 2008)
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just-in-time compiler
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LLVM
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Rubinius is
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modern
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sophisticated
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high-performance
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Ruby environment
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physical
emotional mental
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> time rbx -e ‘puts 1’0.3864s
> time ruby -e ‘puts 1’0.0196s
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ZOMG20x slower
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or0.3668s slower
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x 1000 tests
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0.32s vs 6m
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:’(
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</3
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_script_
A
foo _block_
M
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Bootstrapping
http://www.myvintagesecret.com/page/7/
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VM | OM
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VM | OM
alpha.rb
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VM | OM
alpha.rb
bootstrap/
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VM | OM
alpha.rb
bootstrap/
platform/
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VM | OM
alpha.rb
bootstrap/
platform/
common/
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VM | OM
alpha.rb
bootstrap/
platform/
common/
delta/
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VM | OM
alpha.rb
bootstrap/
platform/
common/
delta/
loader.rb
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problem
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opportunity
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all good things come to those
who wait
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be lazy
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1. save as list
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2. load script
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3. resolve on call
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Ruby and C++ sittinʼ in a tree...
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kernel/bootstrap/array.rb
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vm/builtin/array.hpp
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kernel/bootstrap/array.rb
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vm/builtin/array.hpp
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vm/gen/primitives_glue.gen.hpp
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LazyExecutable
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kernel/bootstrap/lazy_executable.rb
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vm/builtin/lazy_executable.hpp
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vm/builtin/lazy_executable.cpp
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detect
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1. check method2. load if needed
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encode
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lib/compiler/compiled_file.rb
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lib/compiler/compiled_file.rb
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decode
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vm/marshal.cpp
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vm/marshal.cpp
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vm/marshal.cpp
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1. save as list2. load script3. resolve on call
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how to contribute
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1. run your code
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2. file issues
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3. read docs
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> rbx docs
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4. file issues
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5. write libraries
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6. talk to people
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7. send patches
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no effort is too small
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TheAgonyRubySpec
of
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array/index_spec.rb
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array/index_spec.rb
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integer/even_spec.rb
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file/open_spec.rb
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spec/compiler/and_spec.rb
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3761 files16366 examples44765 expectations 0 failures 0 errors
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99.5%
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Letʼs discuss...
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Brian Ford brixen { rstat.us twitter IRC gmail }
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