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# frozen_string_literal: true
require 'benchmark/ips'
require 'memory_profiler'
require 'terminal-table'
require_relative 'theme_runner'
class Profiler
LOG_LABEL = "Profiling: ".rjust(14).freeze
REPORTS_DIR = File.expand_path('.memprof', __dir__).freeze
def self.run
puts
yield new
end
def initialize
@allocated = []
@retained = []
@headings = []
end
def profile(phase, &block)
print(LOG_LABEL)
print("#{phase}.. ".ljust(10))
report = MemoryProfiler.report(&block)
puts 'Done.'
@headings << phase.capitalize
@allocated << "#{report.scale_bytes(report.total_allocated_memsize)} (#{report.total_allocated} objects)"
@retained << "#{report.scale_bytes(report.total_retained_memsize)} (#{report.total_retained} objects)"
return if ENV['CI']
require 'fileutils'
report_file = File.join(REPORTS_DIR, "#{sanitize(phase)}.txt")
FileUtils.mkdir_p(REPORTS_DIR)
report.pretty_print(to_file: report_file, scale_bytes: true)
end
def tabulate
table = Terminal::Table.new(headings: @headings.unshift('Phase')) do |t|
t << @allocated.unshift('Total allocated')
t << @retained.unshift('Total retained')
end
puts
puts table
puts "\nDetailed report(s) saved to #{REPORTS_DIR}/" unless ENV['CI']
end
def sanitize(string)
string.downcase.gsub(/[\W]/, '-').squeeze('-')
end
end
Liquid::Template.error_mode = ARGV.first.to_sym if ARGV.first
runner = ThemeRunner.new
Profiler.run do |x|
x.profile('parse') { runner.compile }
x.profile('render') { runner.render }
x.tabulate
end
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