Module: Benchmark::Sweet::Memory

Included in:
Job
Defined in:
lib/benchmark/sweet/memory.rb

Instance Method Summary collapse

Instance Method Details

#run_memory ⇒ Object 



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# File 'lib/benchmark/sweet/memory.rb', line 4

def run_memory
  # I'd prefer to use benchmark/memory - but not sure if it bought us enough
  # require "benchmark/memory"
  # rpt = Benchmark.memory(quiet: options[:quiet]) do |x|
  #   items.each { |item| x.report(item.label, &item.block) }
  #   x.compare! if compare
  # end
  # rpt.entries.each do |e| 
  #   add_entry e.label, "memory",           e.measurement.memory.allocated
  #   add_entry e.label, "memory_retained",  e.measurement.memory.retained
  #   add_entry e.label, "objects",          e.measurement.objects.allocated
  #   add_entry e.label, "objects_retained", e.measurement.objects.retained
  #   add_entry e.label, "string",           e.measurement.string.allocated
  #   add_entry e.label, "string_retained",  e.measurement.string.retained
  # end
  require 'memory_profiler'
  puts "Memory Profiling----------" unless quiet?

  items.each do |entry|
    name = entry.label

    $stdout.printf("%20s ", name.to_s) unless quiet?
    rpts = (options[:memory] || 1).times.map { MemoryProfiler.report(&entry.block) }
    tot_stat  = add_entry(name, "memsize",          rpts.map(&:total_allocated_memsize))
    totr_stat = add_entry name, "memsize_retained", rpts.map(&:total_retained_memsize)
    obj_stat  = add_entry name, "objects",          rpts.map(&:total_allocated) ## ? size
    objr_stat = add_entry name, "objects_retained", rpts.map(&:total_retained)
    str_stat  = add_entry(name, "strings",          rpts.map { |rpt| rpt.strings_allocated.size })
    strr_stat = add_entry(name, "strings_retained", rpts.map { |rpt| rpt.strings_retained.size })

    $stdout.printf("%10s  alloc/ret %10s  strings/ret\n",
                   "#{tot_stat.central_tendency}/#{totr_stat.central_tendency}",
                   "#{str_stat.central_tendency}/#{strr_stat.central_tendency}") unless quiet?
  end
end