71 lines
2.0 KiB
Crystal
71 lines
2.0 KiB
Crystal
require "benchmark"
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require "./utilities.cr"
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require "../src/fifo.cr"
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def add(fifo : FIFO(Int32) | EfficientFIFO(Int32), nb : UInt32)
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i = 0
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while i < nb
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fifo << i
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i += 1
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end
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end
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def report_add(fifo : FIFO(Int32) | EfficientFIFO(Int32), nb : UInt32, fname : String)
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File.open("#{Context.report_dir}/#{fname}.raw", "w") do |file|
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i = 0
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while i < nb
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elapsed_time = perform_something { fifo << i }
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i += 1
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file.puts "#{i} #{elapsed_time.total_nanoseconds}"
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end
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end
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end
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class Context
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class_property nb_values : UInt32 = 100_000
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class_property fifo_size : UInt32 = 10_000
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class_property report_dir = "results"
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end
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if nb_values = ENV["NBVAL"]?
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Context.nb_values = nb_values.to_u32
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end
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if fifo_size = ENV["FIFOSIZE"]?
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Context.fifo_size = fifo_size.to_u32
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end
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if ARGV.size > 0
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puts "Usage: benchmark-fifo"
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puts ""
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puts "envvar: REPORT_DIR=<directory> where to put the results"
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puts "envvar: REPORT_EACH_ADD=<any> to report the duration of each addition of a value in the structure"
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puts "envvar: NBVAL=<nb> (default: 100_000) nb of values to add to the structure"
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puts "envvar: FIFOSIZE=<nb> (default: 10_000) max number of values in the structure"
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exit 0
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end
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ENV["REPORT_DIR"]?.try { |report_dir| Context.report_dir = report_dir }
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Dir.mkdir_p Context.report_dir
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if ENV["REPORT_EACH_ADD"]?
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FIFO(Int32).new(Context.fifo_size).tap do |fifo|
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report_add fifo, Context.nb_values, "fifo_#{Context.fifo_size}_#{Context.nb_values}"
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end
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EfficientFIFO(Int32).new(Context.fifo_size).tap do |fifo|
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report_add fifo, Context.nb_values, "efficientfifo_#{Context.fifo_size}_#{Context.nb_values}"
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end
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else
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Benchmark.ips do |x|
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x.report("adding #{Context.nb_values} values, FIFO limited to #{Context.fifo_size}") do
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fifo = FIFO(Int32).new Context.fifo_size
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add fifo, Context.nb_values
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end
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x.report("adding #{Context.nb_values} values, EfficientFIFO limited to #{Context.fifo_size}") do
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fifo = EfficientFIFO(Int32).new Context.fifo_size
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add fifo, Context.nb_values
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end
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end
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end
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