module Benchmark
Public Class Methods
avgbm(iterations = 5, label_width = 0) { |job| ... }
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# File lib/avgbm.rb, line 6 def self.avgbm(iterations = 5, label_width = 0) # :yield: job job = Job.new(label_width) yield(job) width = job.width + 1 hash = Hash.new { |hash, key| hash[key] = [] } # benchmark job.list.each { |label,item| iterations.times do hash[label.to_s] << Benchmark.measure(label, &item) end } # minimum 5 iterations iterations = iterations < 5 ? 5 : iterations # discard the lowest and highest times lower_bound = iterations / 5 upper_bound = iterations - lower_bound hash.each_pair do |label, reports| # discard the highest and lowest times reports.sort! {|x, y| y.real <=> x.real} hash[label] = reports[lower_bound...upper_bound] # average the remaining hash[label] = hash[label].inject{ |sum, el| sum + el } / hash[label].size end # print the results print ' '*width + CAPTION hash.each_pair do |label, reports| print label.ljust(width) print reports end hash end