Add zmq.poller version of local_thr.lua to perf/ folder.

perf/local_thr_poll.lua

@@ -0,0 +1,77 @@
+-- Copyright (c) 2010 Aleksey Yeschenko <aleksey@yeschenko.com>
+--
+-- Permission is hereby granted, free of charge, to any person obtaining a copy
+-- of this software and associated documentation files (the "Software"), to deal
+-- in the Software without restriction, including without limitation the rights
+-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+-- copies of the Software, and to permit persons to whom the Software is
+-- furnished to do so, subject to the following conditions:
+--
+-- The above copyright notice and this permission notice shall be included in
+-- all copies or substantial portions of the Software.
+--
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+-- THE SOFTWARE.
+
+if not arg[3] then
+    print("usage: lua local_thr.lua <bind-to> <message-size> <message-count>")
+    os.exit()
+end
+
+local bind_to = arg[1]
+local message_size = tonumber(arg[2])
+local message_count = tonumber(arg[3])
+
+local zmq = require"zmq"
+local z_poller = require"zmq.poller"
+local z_NOBLOCK = zmq.NOBLOCK
+
+local poller = z_poller(64)
+
+local ctx = zmq.init(1)
+local s = ctx:socket(zmq.SUB)
+s:setopt(zmq.SUBSCRIBE, "");
+s:bind(bind_to)
+
+print(string.format("message size: %i [B]", message_size))
+print(string.format("message count: %i", message_count))
+
+local msg
+msg = zmq.zmq_msg_t()
+
+local cnt = 0
+
+poller:add(s, zmq.POLLIN, function(sock)
+	while s:recv_msg(msg, z_NOBLOCK) do
+		--assert(msg:size() == message_size, "Invalid message size")
+		cnt = cnt + 1
+		if cnt == message_count then
+			poller:stop()
+		end
+	end
+end)
+
+-- wait for first message
+assert(s:recv_msg(msg))
+cnt = 1
+
+local timer = zmq.stopwatch_start()
+poller:start()
+local elapsed = timer:stop()
+
+s:close()
+ctx:term()
+
+if elapsed == 0 then elapsed = 1 end
+
+local throughput = message_count / (elapsed / 1000000)
+local megabits = throughput * message_size * 8 / 1000000
+
+print(string.format("mean throughput: %i [msg/s]", throughput))
+print(string.format("mean throughput: %.3f [Mb/s]", megabits))
+