Add simple benchmark

benchmark/async_vs_lightio.rb

@@ -0,0 +1,44 @@
+#!/usr/bin/env ruby
+
+require 'async'
+require 'lightio'
+
+require 'benchmark/ips'
+
+def run_async(count = 10000)
+	Async::Reactor.run do |task|
+		tasks = count.times.map do
+			# LightIO::Beam is a thread-like executor, use it instead Thread
+			task.async do |subtask|
+				# do some io operations in beam
+				subtask.sleep(0.0001)
+			end
+		end
+
+		tasks.each(&:wait)
+	end
+end
+
+def run_lightio(count = 10000)
+	beams = count.times.map do
+		# LightIO::Beam is a thread-like executor, use it instead Thread
+		LightIO::Beam.new do
+			# do some io operations in beam
+			LightIO.sleep(0.0001)
+		end
+	end
+
+	beams.each(&:join)
+end
+
+Benchmark.ips do |benchmark|
+	benchmark.report("lightio") do |count|
+		run_lightio(count)
+	end
+
+	benchmark.report("async") do |count|
+		run_async(count)
+	end
+
+	benchmark.compare!
+end