Class: BenchmarkDriver::Runner::Memory

Inherits:
Object
  • Object
show all
Defined in:
lib/benchmark_driver/runner/memory.rb

Overview

Max resident set size

Constant Summary collapse

METRIC = 
BenchmarkDriver::Metric.new(
  name: 'Max resident set size', unit: 'bytes', larger_better: false, worse_word: 'larger',
)
Job =

JobParser returns this, BenchmarkDriver::Runner.runner_for searches “*::Job”

Class.new(BenchmarkDriver::DefaultJob)
JobParser =

Dynamically fetched and used by BenchmarkDriver::JobParser.parse

BenchmarkDriver::DefaultJobParser.for(klass: Job, metrics: [METRIC])

Instance Method Summary collapse

Constructor Details

#initialize(config:, output:, contexts:) ⇒ Memory

Returns a new instance of Memory.

Parameters:



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# File 'lib/benchmark_driver/runner/memory.rb', line 22

def initialize(config:, output:, contexts:)
  @config = config
  @output = output
  @contexts = contexts
end

Instance Method Details

#run(jobs) ⇒ Object

This method is dynamically called by BenchmarkDriver::JobRunner.run

Parameters:

  • jobs (Array<BenchmarkDriver::Default::Job>) 


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# File 'lib/benchmark_driver/runner/memory.rb', line 30

def run(jobs)
  # Currently Linux's time(1) support only...
  case Etc.uname.fetch(:sysname)
  when 'Linux'
    @time_command = ['/usr/bin/time']
  when 'Darwin'
    @time_command = ['/usr/bin/time', '-l']
  else
    raise "memory output is not supported for '#{Etc.uname[:sysname]}' for now"
  end

  if jobs.any? { |job| job.loop_count.nil? }
    jobs = jobs.map do |job|
      job.loop_count ? job : Job.new(**job.to_h.merge(loop_count: 1))
    end
  end

  @output.with_benchmark do
    jobs.each do |job|
      @output.with_job(name: job.name) do
        job.runnable_contexts(@contexts).each do |context|
          result = BenchmarkDriver::Repeater.with_repeat(config: @config, larger_better: false) do
            run_benchmark(job, context: context)
          end
          @output.with_context(name: context.name, executable: context.executable, gems: context.gems, prelude: context.prelude) do
            @output.report(values: { METRIC => result.value }, all_values: { METRIC => result.all_values }, loop_count: job.loop_count)
          end
        end
      end
    end
  end
end