class BenchmarkDriver::Output::Simple
Constants
- NAME_LENGTH
Public Class Methods
new(metrics:, jobs:, contexts:)
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@param [Array<BenchmarkDriver::Metric>] metrics @param [Array<BenchmarkDriver::Job>] jobs @param [Array<BenchmarkDriver::Context>] contexts
# File lib/benchmark_driver/output/simple.rb, line 7 def initialize(metrics:, jobs:, contexts:) @metrics = metrics @context_names = contexts.map(&:name) @name_length = jobs.map(&:name).map(&:size).max end
Public Instance Methods
report(result)
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@param [BenchmarkDriver::Result] result
# File lib/benchmark_driver/output/simple.rb, line 62 def report(result) if @with_benchmark $stdout.print("%#{NAME_LENGTH}s " % humanize(result.values.fetch(@metrics.first))) else $stdout.print '.' end end
with_benchmark(&block)
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# File lib/benchmark_driver/output/simple.rb, line 23 def with_benchmark(&block) @with_benchmark = true without_stdout_buffering do # Show header $stdout.puts "#{@metrics.first.name} (#{@metrics.first.unit}):" # Show executable names if @context_names.size > 1 $stdout.print("#{' ' * @name_length} ") @context_names.each do |context_name| $stdout.print("%#{NAME_LENGTH}s " % context_name) end $stdout.puts end block.call end ensure @with_benchmark = false end
with_context(context, &block)
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@param [BenchmarkDriver::Context] context
# File lib/benchmark_driver/output/simple.rb, line 57 def with_context(context, &block) block.call end
with_job(job, &block)
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@param [BenchmarkDriver::Job] job
# File lib/benchmark_driver/output/simple.rb, line 45 def with_job(job, &block) if @with_benchmark $stdout.print("%-#{@name_length}s " % job.name) end block.call ensure if @with_benchmark $stdout.puts end end
with_warmup(&block)
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# File lib/benchmark_driver/output/simple.rb, line 13 def with_warmup(&block) @with_benchmark = false without_stdout_buffering do $stdout.print 'warming up' block.call end ensure $stdout.puts end
Private Instance Methods
humanize(value)
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# File lib/benchmark_driver/output/simple.rb, line 80 def humanize(value) if BenchmarkDriver::Result::ERROR.equal?(value) return " %#{NAME_LENGTH}s" % 'ERROR' elsif value == 0.0 return " %#{NAME_LENGTH}.3f" % 0.0 elsif value < 0 raise ArgumentError.new("Negative value: #{value.inspect}") end scale = (Math.log10(value) / 3).to_i prefix = "%#{NAME_LENGTH}.3f" % (value.to_f / (1000 ** scale)) suffix = case scale when 1; 'k' when 2; 'M' when 3; 'G' when 4; 'T' when 5; 'Q' else # < 1000 or > 10^15, no scale or suffix return " #{prefix}" end "#{prefix}#{suffix}" end
without_stdout_buffering() { || ... }
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benchmark_driver ouputs logs ASAP. This enables sync flag for it.
# File lib/benchmark_driver/output/simple.rb, line 73 def without_stdout_buffering sync, $stdout.sync = $stdout.sync, true yield ensure $stdout.sync = sync end