JRuby performance test

Author: Mike Ragalie

language-adaptors/rxjava-jruby/src/spec/ruby/rx/lang/jruby/performance.rb

@@ -0,0 +1,38 @@
+# Current execution times:
+# Without rxjava-jruby: 3.31s
+# With rxjava-jruby: 2.18s
+
+require 'optparse'
+
+options = {}
+OptionParser.new do |opts|
+  opts.banner = "Usage: jruby --profile.api performance.rb [options]"
+
+  opts.on("-c", "--core CORE-PATH", "Path to the rxjava-core.jar") {|core| options[:core] = core}
+  opts.on("-j", "--jruby [JRUBY-PATH]", "Path to the rxjava-jruby.jar (optional)") {|jruby| options[:jruby] = jruby}
+end.parse!
+
+require options[:core]
+
+if options[:jruby]
+  require options[:jruby]
+  require 'rx/lang/jruby/interop'
+end
+
+require 'jruby/profiler'
+
+profile_data = JRuby::Profiler.profile do
+  10000.times do
+    o = Java::Rx::Observable.create do |observer|
+      observer.onNext("one")
+      observer.onNext("two")
+      observer.onNext("three")
+      observer.onCompleted
+      Java::RxSubscriptions::Subscription.empty
+    end
+    o.map {|n| n * 2}.subscribe {|n| n}
+  end
+end
+
+profile_printer = JRuby::Profiler::FlatProfilePrinter.new(profile_data)
+profile_printer.printProfile(STDOUT)