Aaron Patterson tenderlove

## yamaha-receiver.rb
# Watch Yamaha AV receivers for events
#
# This script watches a Yamaha AV receiver for changes in state.
# It also implements two functions for changing the volume which is a fun
# way to "help" unsuspecting users.
#
# Protocol is here: https://www.sdu.se/pub/yamaha/yamaha-ynca-receivers-protocol.pdf

require "socket"
require "io/wait"

## conflict.txt
[aaron@TC ~/git]$ ruby -rminitest/autorun -e' '
Traceback (most recent call last):
	9: from /Users/aaron/.rbenv/versions/ruby-trunk/lib/ruby/gems/2.7.0/gems/minitest-5.11.3/lib/minitest.rb:63:in `block in autorun'
	8: from /Users/aaron/.rbenv/versions/ruby-trunk/lib/ruby/gems/2.7.0/gems/minitest-5.11.3/lib/minitest.rb:121:in `run'
	7: from /Users/aaron/.rbenv/versions/ruby-trunk/lib/ruby/gems/2.7.0/gems/minitest-5.11.3/lib/minitest.rb:92:in `load_plugins'
	6: from /Users/aaron/.rbenv/versions/ruby-trunk/lib/ruby/gems/2.7.0/gems/minitest-5.11.3/lib/minitest.rb:92:in `each'
	5: from /Users/aaron/.rbenv/versions/ruby-trunk/lib/ruby/gems/2.7.0/gems/minitest-5.11.3/lib/minitest.rb:98:in `block in load_plugins'
	4: from /Users/aaron/.rbenv/versions/ruby-trunk/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:54:in `require'
	3: from /Users/aaron/.rbenv/versions/ruby-trunk/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:54:in `require'
	2: from /Users/aaron/.rbenv/versions/ruby-trunk/lib/ruby/gems/2.7.0/gems/rai

## after_patch.csv

          
            real
            cstime
            cutime
            stime
            utime
            total

            
              47.30989000003319
              8.122842
              37.494842999999996
              0.005576000000000025
              0.00012099999999998223
              45.62338199999999

            
              49.633449999964796
              9.02866
              37.767471
              0.0045399999999999885
              0.00013900000000000023
              46.800810000000006

            
              46.255383000010625
              7.929361999999998
              37.034392999999994
              0.0045099999999999585
              0.000124000000000013
              44.968388999999995

            
              46.28654599993024
              8.027361000000003
              36.961467
              0.004464999999999997
              0.00012499999999998623
              44.993418000000005

            
              45.782935000024736
              8.010796999999997
              36.488111
              0.004514000000000018
              0.00012700000000004374
              44.503549

            
              48.835172999999486
              8.771659
              37.279645000000016
              0.004508999999999985
              0.00012700000000004374
              46.055940000000014

            
              49.2580490000546
              9.047513000000002
              37.05552799999998
              0.00464500000000001
              0.00013699999999999823
              46.10782299999998

            
              45.05590499995742
              7.856316000000007
              36.05048099999999
              0.0061370000000000036
              0.00015100000000001224
              43.913084999999995

            
              45.321803999948315
              7.876872999999989
              36.332494
              0.004386999999999974
              0.00011899999999998023
              44.21387299999998

## heapviz.rb
require 'fiddle'

color_iter = DATA.readlines.map(&:chomp).map { |i|
  i = i.to_i(16)
  [(i >> 16) & 0xFF, (i >> 8) & 0xFF, i & 0xFF, 255]
}.each

SIZEOF_HEAP_PAGE_HEADER_STRUCT = Fiddle::SIZEOF_VOIDP

SIZEOF_RVALUE           = 40

## superduper.rb
require "ast"

class Superduper
  class EnumerableAST
    include Enumerable

    def initialize ast
      @ast = ast
    end

## memory_stuff.rb
# How to measure the size of a method's iseq

require 'objspace'

small_body = (["bar"] * 10).join(" + ")
big_body = (["bar"] * 10_000).join(" + ")

eval "def small(bar); #{small_body}; end"
eval "def big(bar); #{big_body}; end"

## header.h
#ifdef __GNUC__
# pragma GCC system_header
#endif


## gc-perf.md

      
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                tenderlove
                / gc-perf.md
            
            
              Created Apr 9, 2019
            
          
      View gc-perf.md
  
    
    Benchmarks for GC Compactor
GC benchmarks for trunk vs gc-compact seem to be about the same:
$ make benchmark ITEM=gc
./revision.h unchanged
/Users/aaron/.rbenv/shims/ruby --disable=gems -rrubygems -I./benchmark/lib ./benchmark/benchmark-driver/exe/benchmark-driver \
	            --executables="compare-ruby::/Users/aaron/.rbenv/shims/ruby --disable=gems -I.ext/common --disable-gem" \
	            --executables="built-ruby::./miniruby -I./lib -I. -I.ext/common  -r./prelude --disable-gem" \


## heapviz.rb
require 'fiddle'

color_iter = DATA.readlines.map(&:chomp).map { |i|
  i = i.to_i(16)
  [(i >> 16) & 0xFF, (i >> 8) & 0xFF, i & 0xFF, 255]
}.each

SIZEOF_HEAP_PAGE_HEADER_STRUCT = Fiddle::SIZEOF_VOIDP

SIZEOF_RVALUE           = 40

## thing.rb
begin
  Integer("foo", exception: false)

  def parse_int string, default
    Integer(string, exception: false) || default
  end
rescue TypeError
  def parse_int string, default
    Integer(string)
  rescue