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Bug #12373 » csv-benchmark.rb

ksss (Yuki Kurihara), 05/12/2016 12:39 AM

 
#! /usr/bin/env ruby

require 'csv'
require 'benchmark/ips'

Tempfile.create(["", ".csv"]) do |f|
head = [*'aa'..'zz']
f.puts head.to_a.join(',')
1000.times do
f.puts [*1..head.length].map{ |i| %("#{i}") }.join(',')
end
f.flush

Benchmark.ips do |x|
x.report("old_csv_shift") do
load './old_csv_shift.rb'
CSV.open(f.path) do |csv|
csv.each {}
end
end
x.report("new_csv_shift") do
load './new_csv_shift.rb'
CSV.open(f.path) do |csv|
csv.each {}
end
end
x.compare!
end
end
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