61 lines
1.3 KiB
Ruby
61 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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module DerailedBenchmarks
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# A class for reading in benchmark results
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# and converting them to numbers for comparison
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#
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# Example:
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#
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# puts `cat muhfile.bench.txt`
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#
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# 9.590142 0.831269 10.457801 ( 10.0)
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# 9.836019 0.837319 10.728024 ( 11.0)
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#
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# x = StatsForFile.new(name: "muhcommit", file: "muhfile.bench.txt", desc: "I made it faster", time: Time.now)
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# x.values #=> [11.437769, 11.792425]
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# x.average # => 10.5
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# x.name # => "muhfile"
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class StatsForFile
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attr_reader :name, :values, :desc, :time
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def initialize(file:, name:, desc: "", time: )
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@file = Pathname.new(file)
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FileUtils.touch(@file)
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@name = name
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@desc = desc
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@time = time
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end
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def call
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load_file!
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@median = (values[(values.length - 1) / 2] + values[values.length/ 2]) / 2.0
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@average = values.inject(:+) / values.length
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end
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def median
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@median.to_f
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end
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def average
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@average.to_f
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end
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private def load_file!
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@values = []
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@file.each_line do |line|
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line.match(/\( +(\d+\.\d+)\)/)
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begin
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values << BigDecimal($1)
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rescue => e
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raise e, "Problem with file #{@file.inspect}:\n#{@file.read}\n#{e.message}"
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end
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end
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values.sort!
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values.freeze
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end
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end
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end
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