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template_engine_comparison/benchmark.rb

145 lines
2.9 KiB
Ruby
Executable File

#!/usr/bin/env ruby
require 'rubygems'
require 'bundler/setup'
require 'benchmark'
require 'yaml'
require 'ostruct'
require 'erubis'
require 'haml'
require 'slim'
require 'liquid'
require 'mustache'
require 'tilt/erb'
require 'tilt/erubis'
require 'tilt/haml'
require 'tilt/liquid'
# Terminal settings
TERMINAL_WIDTH = 60
BM_WIDTH = 46
# Benchmark settings
COMPILE_LOOPS = 1000
RENDER_LOOPS = 1000
templates = {}
big_data_file = File.expand_path('../data/big.yml', __FILE__)
unless File.exist?(big_data_file)
raise 'Big data file not found. Please generate it with "./fakedata.rb 10000 > data/big.yml"'
end
small_data = {window_title: 'Greetings!', username: '%username%'}
big_data = YAML.load_file(big_data_file)
def banner title
puts '#' * TERMINAL_WIDTH
puts '##' + title.center(TERMINAL_WIDTH - 4) + '##'
puts '#' * TERMINAL_WIDTH
end
def benchmark params
raise 'No block given' unless block_given?
Benchmark.bm(TERMINAL_WIDTH - BM_WIDTH) do |x|
ENGINES.each do |name, attrs|
x.report(name) do
params[:loops].times{ yield(name, attrs) }
end
end
end
end
module Wrappers
class Base
attr_reader :tpl
def initialize path
@tpl = File.read(path)
end
end
class Mustache < Base
def render context, args = {}
::Mustache.render(tpl, args)
end
end
end
ENGINES = {
string: {
class: Tilt::StringTemplate,
extension: 'str'
},
erubis: {
class: Tilt::ErubisTemplate,
extension: 'erubis'
},
erb: {
class: Tilt::ERBTemplate,
extension: 'erb'
},
haml: {
class: Tilt::HamlTemplate,
extension: 'haml'
},
slim: {
class: Slim::Template,
extension: 'slim'
},
mustache: {
class: Wrappers::Mustache,
extension: 'mustache'
},
liquid: {
class: Tilt::LiquidTemplate,
extension: 'liquid'
},
markaby: {
class: Tilt::MarkabyTemplate,
extension: 'mab'
},
builder: {
class: Tilt::BuilderTemplate,
extension: 'builder'
},
}
banner 'Compilation (small template) - 1.000 runs'
benchmark(loops: 1000) do |name, attrs|
template_path = File.expand_path('../templates/%s/small.%s', __FILE__) % [name, attrs[:extension]]
templates[name] = attrs[:class].new(template_path)
end
puts
banner 'Render (small template) - 10.000 runs'
benchmark(loops: 10_000) do |name, attrs|
case name
when :slim
templates[name].render(OpenStruct.new(small_data))
else
templates[name].render(Object, small_data)
end
end
puts
banner 'Compilation (big template) - 1.000 runs'
benchmark(loops: 1000) do |name, attrs|
template_path = File.expand_path('../templates/%s/big.%s', __FILE__) % [name, attrs[:extension]]
templates[name] = attrs[:class].new(template_path)
end
puts
banner 'Render (big template, 1.5MB data) - 30 runs'
benchmark(loops: 30) do |name, attrs|
case name
when :slim
templates[name].render(OpenStruct.new(customers: big_data))
else
templates[name].render(Object, {customers: big_data})
end
end
puts