class BenchmarkDriver::Runner::Once
Run only once, for testing
Constants
- BenchmarkScript
@param [String] prelude @param [String] script @param [String] teardown @param [Integer] loop_count
- Job
JobParser
returns this, `BenchmarkDriver::Runner.runner_for` searches “*::Job”- JobParser
Dynamically fetched and used by `BenchmarkDriver::JobParser.parse`
- METRIC
Public Class Methods
new(config:, output:, contexts:)
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@param [BenchmarkDriver::Config::RunnerConfig] config @param [BenchmarkDriver::Output] output @param [BenchmarkDriver::Context] contexts
# File lib/benchmark_driver/runner/once.rb, line 20 def initialize(config:, output:, contexts:) @config = config @output = output @contexts = contexts end
Public Instance Methods
run(jobs)
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This method is dynamically called by `BenchmarkDriver::JobRunner.run` @param [Array<BenchmarkDriver::Default::Job>] jobs
# File lib/benchmark_driver/runner/once.rb, line 28 def run(jobs) jobs = jobs.map do |job| Job.new(**job.to_h.merge(loop_count: 1)) # to show this on output end @output.with_benchmark do jobs.each do |job| @output.with_job(name: job.name) do job.runnable_contexts(@contexts).each do |context| duration = run_benchmark(job, context: context) # no repeat support if BenchmarkDriver::Result::ERROR.equal?(duration) value = BenchmarkDriver::Result::ERROR else value = 1.0 / duration end @output.with_context(name: context.name, executable: context.executable, gems: context.gems, prelude: context.prelude) do @output.report(values: { METRIC => value }, duration: duration, loop_count: 1) end end end end end end
Private Instance Methods
execute(*args)
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# File lib/benchmark_driver/runner/once.rb, line 91 def execute(*args) output = IO.popen(args, err: [:child, :out], &:read) # handle stdout? unless $?.success? raise "Failed to execute: #{args.shelljoin} (status: #{$?.exitstatus})" end output end
run_benchmark(job, context:)
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@param [BenchmarkDriver::Runner::Ips::Job] job - loop_count is not nil @param [BenchmarkDriver::Context] context @return [Float] duration
# File lib/benchmark_driver/runner/once.rb, line 58 def run_benchmark(job, context:) benchmark = BenchmarkScript.new( preludes: [context.prelude, job.prelude], script: job.script, teardown: job.teardown, loop_count: job.loop_count, ) Tempfile.open(['benchmark_driver-', '.rb']) do |f| with_script(benchmark.render(result: f.path)) do |path| IO.popen([*context.executable.command, path], &:read) # TODO: print stdout if verbose=2 if $?.success? && ((value = Float(f.read)) > 0) value else BenchmarkDriver::Result::ERROR end end end end
with_script(script) { |path| ... }
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# File lib/benchmark_driver/runner/once.rb, line 78 def with_script(script) if @config.verbose >= 2 sep = '-' * 30 $stdout.puts "\n\n#{sep}[Script begin]#{sep}\n#{script}#{sep}[Script end]#{sep}\n\n" end Tempfile.open(['benchmark_driver-', '.rb']) do |f| f.puts script f.close return yield(f.path) end end