/
githubmirror
/
jekyll
Обзор
Документация
Войти
/
githubmirror
/
jekyll
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
benchmark/static-drop-vs-forwarded.rb
83 строки
2 KB
Ashwin Maroli
Implement custom delegators for drop methods (#8183)
23 сен 2020, 23:13
Не верифицирован
23 сен 2020, 23:13
53f1755
Код
Авторство
О чём код?
#!/usr/bin/env ruby # frozen_string_literal: true require "forwardable" require "colorator" require "liquid" require "benchmark/ips" require "memory_profiler" # Set up (memory) profiler class Profiler def self.run yield new(ARGV[0] || 10_000) end def initialize(count) @count = count.to_i end def report(label, color, &block) prof_report = MemoryProfiler.report { @count.to_i.times(&block) } allocated_memory = prof_report.scale_bytes(prof_report.total_allocated_memsize) allocated_objects = prof_report.total_allocated retained_memory = prof_report.scale_bytes(prof_report.total_retained_memsize) retained_objects = prof_report.total_retained puts <<~MSG.send(color) With #{label} calls Total allocated: #{allocated_memory} (#{allocated_objects} objects) Total retained: #{retained_memory} (#{retained_objects} objects) MSG end end # Set up stage class Drop < Liquid::Drop def initialize(obj) @obj = obj end end class ForwardDrop < Drop extend Forwardable def_delegators :@obj, :name end class StaticDrop < Drop def name @obj.name end end class Document def name "lipsum" end end # Set up actors document = Document.new alpha = ForwardDrop.new(document) beta = StaticDrop.new(document) count = ARGV[0] || 10_000 # Run profilers puts "\nMemory profiles for #{count} calls to invoke drop key:" Profiler.run do |x| x.report("forwarded", :cyan) { alpha["name"] } x.report("static", :green) { beta["name"] } end # Benchmark puts "\nBenchmarking the two scenarios..." Benchmark.ips do |x| x.report("forwarded".cyan) { alpha["name"] } x.report("static".green) { beta["name"] } x.compare! end