Java perf tests added

perf/java/local_thr.java

@@ -0,0 +1,65 @@
+/*
+    Copyright (c) 2007-2009 FastMQ Inc.
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the Lesser GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    Lesser GNU General Public License for more details.
+
+    You should have received a copy of the Lesser GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+import org.zmq.*;
+
+class local_thr
+{
+     public static void main (String [] args)
+     {
+         if (args.length != 3) {
+             System.out.println ("usage: local_thr <bind-to> " +
+                 "<message size> <message count>");
+             return;
+         }
+
+         String bindTo = args [0];
+         long messageSize = Integer.parseInt (args [1]);
+         long messageCount = Integer.parseInt (args [2]);
+
+         org.zmq.Context ctx = new org.zmq.Context (1, 1);
+
+         org.zmq.Socket s = new org.zmq.Socket (ctx, org.zmq.Socket.SUB);
+         s.bind (bindTo);
+
+         byte [] data = s.recv (0);
+         assert (data.length == messageSize);
+
+         long start = System.currentTimeMillis ();
+
+         for (int i = 1; i != messageCount; i ++) {
+             data = s.recv (0);
+             assert (data.length == messageSize);
+         }
+
+         long end = System.currentTimeMillis ();
+
+         long elapsed = (end - start) * 1000;
+         if (elapsed == 0)
+             elapsed = 1;
+
+         long throughput = messageCount * 1000000 / elapsed;
+         double megabits = (double) (throughput * messageSize * 8) / 1000000;
+
+         System.out.println ("message size: " + messageSize + " [B]");
+         System.out.println ("message count: " + messageCount);
+         System.out.println ("mean throughput: " + throughput + "[msg/s]");
+         System.out.println ("mean throughput: " + megabits + "[Mb/s]");        
+     }
+}