зеркало из https://github.com/github/ruby.git
322 строки
7.3 KiB
Ruby
322 строки
7.3 KiB
Ruby
#
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# Ruby Benchmark driver
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#
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first = true
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begin
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require 'optparse'
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rescue LoadError
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if first
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first = false
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$:.unshift File.join(File.dirname(__FILE__), '../lib')
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retry
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else
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raise
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end
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end
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require 'benchmark'
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require 'pp'
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class BenchmarkDriver
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def self.benchmark(opt)
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driver = self.new(opt[:execs], opt[:dir], opt)
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begin
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driver.run
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ensure
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driver.show_results
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end
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end
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def output *args
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puts(*args)
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@output and @output.puts(*args)
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end
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def message *args
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output(*args) if @verbose
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end
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def message_print *args
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if @verbose
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print(*args)
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STDOUT.flush
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@output and @output.print(*args)
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end
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end
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def progress_message *args
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unless STDOUT.tty?
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STDERR.print(*args)
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STDERR.flush
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end
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end
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def initialize execs, dir, opt = {}
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@execs = execs.map{|e|
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e.strip!
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next if e.empty?
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if /(.+)::(.+)/ =~ e
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# ex) ruby-a::/path/to/ruby-a
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label = $1.strip
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path = $2
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version = `#{path} -v`.chomp
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else
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path = e
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version = label = `#{path} -v`.chomp
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end
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[path, label, version]
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}.compact
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@dir = dir
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@repeat = opt[:repeat] || 1
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@repeat = 1 if @repeat < 1
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@pattern = opt[:pattern] || nil
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@exclude = opt[:exclude] || nil
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@verbose = opt[:quiet] ? false : (opt[:verbose] || false)
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@output = opt[:output] ? open(opt[:output], 'w') : nil
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@rawdata_output = opt[:rawdata_output] ? open(opt[:rawdata_output], 'w') : nil
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@loop_wl1 = @loop_wl2 = nil
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@ruby_arg = opt[:ruby_arg] || nil
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@opt = opt
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# [[name, [[r-1-1, r-1-2, ...], [r-2-1, r-2-2, ...]]], ...]
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@results = []
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if @verbose
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@start_time = Time.now
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message @start_time
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@execs.each_with_index{|(path, label, version), i|
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message "target #{i}: " + (label == version ? "#{label}" : "#{label} (#{version})") + " at \"#{path}\""
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}
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end
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end
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def adjusted_results name, results
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s = nil
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results.each_with_index{|e, i|
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r = e.min
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case name
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when /^vm1_/
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if @loop_wl1
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r -= @loop_wl1[i]
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r = 0 if r < 0
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s = '*'
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end
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when /^vm2_/
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if @loop_wl2
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r -= @loop_wl2[i]
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r = 0 if r < 0
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s = '*'
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end
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end
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yield r
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}
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s
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end
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def show_results
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output
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if @verbose
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message '-----------------------------------------------------------'
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message 'raw data:'
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message
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message PP.pp(@results, "", 79)
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message
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message "Elapsed time: #{Time.now - @start_time} (sec)"
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end
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if @rawdata_output
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h = {}
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h[:cpuinfo] = File.read('/proc/cpuinfo') if File.exist?('/proc/cpuinfo')
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h[:executables] = @execs
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h[:results] = @results
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@rawdata_output.puts h.inspect
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end
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output '-----------------------------------------------------------'
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output 'benchmark results:'
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if @verbose and @repeat > 1
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output "minimum results in each #{@repeat} measurements."
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end
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output "Execution time (sec)"
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output "name\t#{@execs.map{|(_, v)| v}.join("\t")}"
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@results.each{|v, result|
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rets = []
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s = adjusted_results(v, result){|r|
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rets << sprintf("%.3f", r)
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}
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output "#{v}#{s}\t#{rets.join("\t")}"
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}
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if @execs.size > 1
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output
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output "Speedup ratio: compare with the result of `#{@execs[0][1]}' (greater is better)"
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output "name\t#{@execs[1..-1].map{|(_, v)| v}.join("\t")}"
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@results.each{|v, result|
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rets = []
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first_value = nil
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s = adjusted_results(v, result){|r|
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if first_value
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if r == 0
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rets << "Error"
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else
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rets << sprintf("%.3f", first_value/r)
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end
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else
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first_value = r
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end
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}
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output "#{v}#{s}\t#{rets.join("\t")}"
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}
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end
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if @opt[:output]
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output
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output "Log file: #{@opt[:output]}"
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end
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end
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def files
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flag = {}
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@files = Dir.glob(File.join(@dir, 'bm*.rb')).map{|file|
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next if @pattern && /#{@pattern}/ !~ File.basename(file)
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next if @exclude && /#{@exclude}/ =~ File.basename(file)
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case file
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when /bm_(vm[12])_/, /bm_loop_(whileloop2?).rb/
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flag[$1] = true
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end
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file
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}.compact
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if flag['vm1'] && !flag['whileloop']
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@files << File.join(@dir, 'bm_loop_whileloop.rb')
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elsif flag['vm2'] && !flag['whileloop2']
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@files << File.join(@dir, 'bm_loop_whileloop2.rb')
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end
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@files.sort!
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progress_message "total: #{@files.size * @repeat} trial(s) (#{@repeat} trial(s) for #{@files.size} benchmark(s))\n"
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@files
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end
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def run
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files.each_with_index{|file, i|
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@i = i
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r = measure_file(file)
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if /bm_loop_whileloop.rb/ =~ file
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@loop_wl1 = r[1].map{|e| e.min}
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elsif /bm_loop_whileloop2.rb/ =~ file
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@loop_wl2 = r[1].map{|e| e.min}
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end
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}
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end
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def measure_file file
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name = File.basename(file, '.rb').sub(/^bm_/, '')
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prepare_file = File.join(File.dirname(file), "prepare_#{name}.rb")
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load prepare_file if FileTest.exist?(prepare_file)
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if @verbose
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output
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output '-----------------------------------------------------------'
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output name
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output
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output File.read(file)
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output
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end
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result = [name]
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result << @execs.map{|(e, v)|
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(0...@repeat).map{
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message_print "#{v}\t"
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progress_message '.'
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m = measure(e, file)
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message "#{m}"
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m
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}
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}
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@results << result
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result
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end
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unless defined?(File::NULL)
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if File.exist?('/dev/null')
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File::NULL = '/dev/null'
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end
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end
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def measure executable, file
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cmd = "#{executable} #{@ruby_arg} #{file}"
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m = Benchmark.measure{
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system(cmd, out: File::NULL)
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}
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if $? != 0
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output "\`#{cmd}\' exited with abnormal status (#{$?})"
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0
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else
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m.real
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end
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end
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end
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if __FILE__ == $0
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opt = {
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:execs => [],
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:dir => File.dirname(__FILE__),
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:repeat => 1,
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:output => "bmlog-#{Time.now.strftime('%Y%m%d-%H%M%S')}.#{$$}",
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:raw_output => nil
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}
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parser = OptionParser.new{|o|
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o.on('-e', '--executables [EXECS]',
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"Specify benchmark one or more targets (e1::path1; e2::path2; e3::path3;...)"){|e|
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e.split(/;/).each{|path|
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opt[:execs] << path
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}
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}
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o.on('-d', '--directory [DIRECTORY]', "Benchmark suites directory"){|d|
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opt[:dir] = d
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}
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o.on('-p', '--pattern [PATTERN]', "Benchmark name pattern"){|p|
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opt[:pattern] = p
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}
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o.on('-x', '--exclude [PATTERN]', "Benchmark exclude pattern"){|e|
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opt[:exclude] = e
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}
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o.on('-r', '--repeat-count [NUM]', "Repeat count"){|n|
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opt[:repeat] = n.to_i
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}
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o.on('-o', '--output-file [FILE]', "Output file"){|f|
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opt[:output] = f
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}
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o.on('--ruby-arg [ARG]', "Optional argument for ruby"){|a|
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opt[:ruby_arg] = a
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}
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o.on('--rawdata-output [FILE]', 'output rawdata'){|r|
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opt[:rawdata_output] = r
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}
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o.on('-v', '--verbose'){|v|
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opt[:verbose] = v
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}
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o.on('-q', '--quiet', "Run without notify information except result table."){|q|
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opt[:quiet] = q
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opt[:verbose] = false
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}
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}
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parser.parse!(ARGV)
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BenchmarkDriver.benchmark(opt)
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end
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