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require "bundler" | |
Bundler.require | |
require "active_record" | |
require "sequel" | |
require "benchmark/ips" | |
ActiveRecord::Base.establish_connection(adapter: "postgresql", database: "activerecord_unittest") | |
ActiveRecord::Base.logger = Logger.new(nil) | |
Sequel.connect("postgres://localhost/activerecord_unittest") | |
ActiveRecord::Schema.define do | |
create_table("users", force: true) do |t| | |
t.string :name, :email | |
t.timestamps null: false | |
end | |
end | |
class User < ActiveRecord::Base | |
end | |
class User2 < Sequel::Model(:users) | |
end | |
attributes = { | |
name: "Lorem ipsum dolor sit amet, consectetur adipiscing elit.", | |
email: "foobar@email.com" | |
} | |
1000.times do | |
User.create!(attributes) | |
end | |
Benchmark.ips do |bm| | |
bm.report("AR") do | |
str = "" | |
User.all.each do |user| | |
str << "name: #{user.name} email: #{user.email}\n" | |
end | |
end | |
bm.report("Sequel") do | |
str = "" | |
User2.all.each do |user| | |
str << "name: #{user.name} email: #{user.email}\n" | |
end | |
end | |
bm.compare! | |
end |
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Warming up -------------------------------------- | |
AR 7.000 i/100ms | |
Sequel 1.000 i/100ms | |
Calculating ------------------------------------- | |
AR 74.140 (±12.1%) i/s - 371.000 in 5.076408s | |
Sequel 19.099 (±15.7%) i/s - 94.000 in 5.025350s | |
Comparison: | |
AR: 74.1 i/s | |
Sequel: 19.1 i/s - 3.88x slower |
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