Benchmark for select VS rb_thread_select

Rakefile

@@ -48,6 +48,6 @@ namespace :bench do
   define_bench_task :query_without_mysql_casting
   define_bench_task :sequel
   define_bench_task :allocations
-end
+  define_bench_task :thread_alone
-# Load custom tasks
+end# Load custom tasks
 Dir['tasks/*.rake'].sort.each { |f| load f }

benchmark/thread_alone.rb

@@ -0,0 +1,20 @@
+# encoding: UTF-8
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')
+
+require 'rubygems'
+require 'benchmark'
+require 'mysql2'
+
+iterations = 1000
+client = Mysql2::Client.new(:host => "localhost", :username => "root", :database => "test")
+query = lambda{ iterations.times{ client.query("SELECT mysql2_test.* FROM mysql2_test") } }
+Benchmark.bmbm do |x|
+  x.report('select') do
+    query.call
+  end
+  x.report('rb_thread_select') do
+    thread = Thread.new{ sleep(10) }
+    query.call
+    thread.kill
+  end
+end