ruby-marc-0.4.0-profiling.rb

$:.unshift 'lib'
require 'marc'
require 'benchmark'
require 'profiler'

tags = ['001','005', '100','110','111','240','243','245', /^6[0-9][0-9]$/, '700', '710', '711']


rec = MARC::Reader.new('batch.dat').first


1000.times do
  tags.each do |tag|
    if tag.is_a?(String)
      t = rec.fields(tag)
    else
      t = rec.find_all { | f | f.tag =~ tag }
    end
  end
end

# %self     total     self     wait    child    calls  name
# 23.10      0.97     0.51     0.00     0.46    11001  Array#hash
# 20.69      0.46     0.46     0.00     0.00   198018  Kernel#hash
# 18.19      1.71     0.40     0.00     1.31    11000  MARC::Record#fields
# 15.58      2.12     0.35     0.00     1.96     6030  Array#each
#  4.83      1.11     0.11     0.00     1.00    11000  MARC::FieldMap#in_sync?
#  4.11      0.09     0.09     0.00     0.00    37003  Kernel#is_a?
#  3.75      0.09     0.08     0.00     0.08       93  Kernel#gem_original_require
#  2.59      0.08     0.06     0.00     0.02    15055  Hash#[]
#  2.50      0.06     0.06     0.00     0.00    18000  String#=~
#  1.24      0.03     0.03     0.00     0.00    11000  Fixnum#==
#  0.79      0.02     0.02     0.00     0.00     7037  Hash#default