benchmark/graph.rb

#!/usr/bin/env ruby
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
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require "csv"
require "charty"

Charty::Backends.use("pyplot")

benchmarks = [
  "integer",
  "string",
]
types = [
  "insert",
  "select",
]
benchmarks.each do |benchmark|
  base_dir = File.join(__dir__, benchmark)
  types.each do |type|
    data = CSV.read(File.join(base_dir, "#{type}.csv"),
                    headers: true,
                    converters: :all)
    plotter = Charty.bar_plot(data: data,
                              x: "N records",
                              y: "Elapsed time (sec)",
                              color: "Approach")
    plotter.save(File.join(base_dir, "#{type}.svg"))
  end
end