Module: Benchcc

Defined in:
lib/benchcc/mpl.rb,
lib/benchcc/plot.rb,
lib/benchcc/fusion.rb,
lib/benchcc/version.rb,
lib/benchcc/compiler.rb,
lib/benchcc/benchmark.rb

Defined Under Namespace

Modules: Fusion, MPL Classes: Clang, CompilationError, Compiler, GCC, Renderer

Constant Summary collapse

Y_FEATURES = 
[:memory_usage, :compilation_time, :run_time]
DEFAULT_TWEAK =

How do I make this private?

{
  memory_usage: -> (plot) {
    plot.ylabel   'Memory usage'
    plot.decimal  'locale \'en_US.UTF-8\''
    plot.format   'y \'%.2e kb\''
  },

  compilation_time: -> (plot) {
    plot.ylabel   'Compilation time'
    plot.format   'y \'%.2g s\''
  },

  run_time: -> (plot) {
    plot.ylabel   'Run time'
    plot.format   'y \'%.2g s\''
  }
}
VERSION = 
"0.0.11"

Class Method Summary collapse

Class Method Details

.benchmark(erb_file, environments, timeout: 10, evaluate_erb_relative_to: File.dirname(erb_file), &bench) ⇒ Object 



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# File 'lib/benchcc/benchmark.rb', line 23

def benchmark(erb_file, environments, timeout: 10,
              evaluate_erb_relative_to: File.dirname(erb_file), &bench)
  erb_file = Pathname.new(erb_file)
  progress = ProgressBar.create(format: '%p%% | %B |', total: environments.size)

  data = CSV.generate({headers: :first_row}) do |csv|
    csv << [:input_size, :compilation_time, :memory_usage, :run_time]

    environments.each do |env|
      code = Renderer.new(evaluate_erb_relative_to).render(erb_file, **env)
      begin
        Tempfile.create([erb_file.basename, '.cpp']) do |tmp|
          tmp.write(code) && tmp.close
          bench_data = Timeout::timeout(timeout) {
            bench.call(tmp.path, env)
          }
          row = {
            input_size: env[:input_size],
            compilation_time: bench_data[:compilation_time],
            memory_usage: bench_data[:memory_usage],
            run_time: bench_data[:run_time] # TODO: implement this
          }
          csv << row
        end
      rescue CompilationError, Timeout::Error => e
        $stderr << e
        break
      end
      progress.increment
    end
  end
  return data
ensure
  progress.finish
end

.plot(title, output, curves, x_feature: :input_size, y_feature: :compilation_time, &tweak) ⇒ Object

title:

The title used for the plot.

output:

The name of the file in which the plot is written.

curves:

An array of hashes of the form
  { title: <curve title>, input: <data set file> }
representing the curves to draw on the plot.

Raises:

  • (ArgumentError) 


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# File 'lib/benchcc/plot.rb', line 37

def plot(title, output, curves, x_feature: :input_size, y_feature: :compilation_time, &tweak)
  x_feature, y_feature = x_feature.to_sym, y_feature.to_sym
  raise ArgumentError if not Benchcc::Y_FEATURES.include?(y_feature)
  tweak ||= Benchcc::DEFAULT_TWEAK[y_feature]

  Gnuplot.open do |io|
    Gnuplot::Plot.new(io) do |plot|
      plot.title    title
      plot.term     'png'
      plot.output   output
      plot.data = curves.map { |curve|
        csv = CSV.table(curve[:input])
        Gnuplot::DataSet.new([csv[x_feature], csv[y_feature]]) { |ds|
          ds.title = curve[:title]
          ds.with = 'lines'
        }
      }
      tweak.call(plot)
    end
  end
end