miloops

def instances(&block)
  GC.enable_stats
  GC.clear_stats
  block.call
  warmup_objs = GC.num_allocations
  warmup_bytes = GC.allocated_size
  GC.clear_stats
  block.call
  puts "=" * 50
  puts "ActiveRecord::IdentityMap.enabled: #{ActiveRecord::IdentityMap.enabled}"

miloops

def instances(&block)
  GC.enable_stats
  GC.clear_stats
  block.call
  warmup_objs = GC.num_allocations
  warmup_bytes = GC.allocated_size
  GC.clear_stats
  block.call
  puts "=" * 50
  puts "ActiveRecord::IdentityMap.enabled: #{ActiveRecord::IdentityMap.enabled}"

miloops

# instances method
def instances(&block)
  GC.enable_stats
  GC.clear_stats
  block.call
  warmup_objs = GC.num_allocations
  warmup_bytes = GC.allocated_size
  GC.clear_stats
  block.call
  puts "Objects:"

miloops

require 'rubygems'
require 'barby'
require 'barby/outputter/cairo_outputter'
require 'rbench'

dimensions = {:height => 70, :margin => 10}
barcode = Barby::Code128C.new('081300010000102771000000000000500000000084')

TIMES = 1000

miloops

   def convert_to_png(src, out)
     system("gs -sDEVICE=ppmraw -r144x144 -sOutputFile=- -sNOPAUSE \
      -q #{src} -c showpage -c quit | pnmcrop | pnmmargin -white 10 | pnmtopng > #{out} 2> /dev/null")
   end

miloops

   def convert_to_png(src, out)
     system("gs -sDEVICE=ppmraw -r144x144 -sOutputFile=- -sNOPAUSE \
      -q #{src} -c showpage -c quit | pnmcrop | pnmmargin -white 10 | pnmtopng > #{out} 2> /dev/null")
   end

miloops

rails/master

                                                       |      AR |
------------------------------------------------------------------
Model#id                                       x100000 |   0.967 |
Model.new (instantiation)                       x10000 |   0.324 |
Model.new (setting attributes)                  x10000 |   0.892 |
Model.first                                     x10000 |   4.504 |
Model.all limit(100)                             x1000 |  11.838 |
Model.all limit(100) with relationship           x1000 |  27.571 |

miloops

  def debug
    p "=" * 100
    yield
    p "=" * 100
  end

miloops

-      options.assert_valid_keys(VALID_FIND_OPTIONS)
+      finders.assert_valid_keys(VALID_FIND_OPTIONS)
+      finders = options.dup
+      finders.delete_if { |key, value| value.nil? }
 
-      [:joins, :select, :group, :having, :limit, :offset, :from, :lock].each do |finder|
-        if value = options[finder]
-          relation = relation.send(finder, value)
-        end
-      end

miloops

set go-=T
set bg=dark
if &background == "dark"
       hi normal guibg=black
       set transp=8
endif
set wildmenu
set lines=120
set columns=130