ad a 5 minute talk (aka slides)
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Torsten Ruger
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70029ef691
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_layouts/light.html
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26
_layouts/light.html
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<!DOCTYPE html>
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<!--[if IE 8]> <html class="no-js lt-ie9" lang="en"> <![endif]-->
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<!--[if gt IE 8]><!--> <html class="no-js" lang="en"> <!--<![endif]-->
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<head>
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<meta charset="utf-8" />
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<!-- Set the viewport width to device width for mobile -->
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="/js/bootstrap/css/bootstrap.min.css" />
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<link rel="stylesheet" href="/js/bootstrap/css/bootstrap-responsive.min.css" />
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<!-- Website CSS Theme Css -->
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<link rel="stylesheet" href="/css/stylesheet.css" />
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</head>
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<body>
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<div class="content" width=90%>
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<div class="container theme">
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{{content}}
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</div>
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</div>
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</body>
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</html>
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110
talk.md
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talk.md
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---
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layout: light
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title: 5 minute talk
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---
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### ruby in ruby
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- speed
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- parallelism
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- clarity / understandibility
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### Impossible, no
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- Metasm, generate binary in ruby
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- whitequark Parse
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- c interface, not needed
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### Difficult / low level - no
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- exception in c is difficult, no c, not difficult
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- function / os calling surprisingly easy
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- vm - just code
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### Architecture
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- arm + elf --> binary
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- parslet parser, ast
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- virtual machine - object machine
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- register machine
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- passes (vm->reg , reg optimisation , extensible)
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- parfait (pure "normal" ruby) std/core on top
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- builtin, code that can not be coded in ruby (ie array[])
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- macro , shared code for builtin
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- object memory layout, cache lines , type info external
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(type word / layout ref / payload )
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.
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-Virtual::CompiledMethod(:name => :__init__, :class_name => :Object, :receiver => &4 Virtual::Integer, :return_type => *2)
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:args []
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:locals []
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:tmps []
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:blocks
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-Virtual::Block(:name => :enter, :position => 172)
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:codes
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-Arm::MemoryInstruction(:right => 2, :operand => 0, :pre_post_index => 1, :add_offset => 0, :position => 172)
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:result Register::RegisterReference(:symbol => :pc)
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:left Register::RegisterReference(:symbol => :r0)
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:attributes {:opcode => :str, :update_status => 0, :condition_code => :al}
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-Arm::MemoryInstruction(:right => 1, :operand => 0, :pre_post_index => 1, :add_offset => 0, :position => 176)
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:result Register::RegisterReference(:symbol => :r0)
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:left Register::RegisterReference(:symbol => :r5)
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:attributes {:opcode => :ldr, :update_status => 0, :condition_code => :al}
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-Arm::CallInstruction(:first => *5, :position => 180)
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:attributes {:opcode => :call, :update_status => 0, :condition_code => :al}
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-Virtual::Block(:name => :return, :position => 184)
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:codes -Arm::MemoryInstruction(:right => 2, :operand => 0, :pre_post_index => 1, :add_offset => 0, :position => 184)
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:result Register::RegisterReference(:symbol => :pc)
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:left Register::RegisterReference(:symbol => :r0)
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:attributes {:opcode => :ldr, :update_status => 0, :condition_code => :al}
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.
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Disassembly of section .text:
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00000000 <_start>:
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0: ea00002b b b4 <Kernel::__init__@enter+0x8>
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000000a4 <Virtual::CompiledMethod::a4>:
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a4: 00111111 andseq r1, r1, r1, lsl r1
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a8: 00000244 andeq r0, r0, r4, asr #4
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000000ac <Kernel::__init__@enter>:
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ac: e580f002 str pc, [r0, #2]
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b0: e5950001 ldr r0, [pc, #124]
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b4: ebfffff6 bl 94 <Kernel::main@return+0x4>
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000000b8 <Kernel::__init__@return>:
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b8: e590f002 ldr pc, [r0, #2]
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00000204 <Virtual::BootSpace::204>:
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204: 00000000 andeq r0, r0, r0
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208: 00000224 andeq r0, r0, r4, lsr #4
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20c: 000002a4 andeq r0, r0, r4, lsr #5
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210: 000005c4 andeq r0, r0, r4, asr #11
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...
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### Understand the language at a new level, new possibilities
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### Ruby makes eaven a vm easy & understandable
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### Gems / bundler make parts independent
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### Surprisingly fast
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(6 weeks for first executable)
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### Surprisingly fun !!
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and wasn't ruby supposed to be
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### salama
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