Update link to 0MQ docs.

Add benchmarks that use send()/recv() instead of send_msg()/recv_msg()
interface.

README.md

@@ -65,4 +65,4 @@ API
 ===
 
 See [API.md](http://github.com/iamaleksey/lua-zmq/blob/master/API.md) and
-[ØMQ docs](http://www.zeromq.org/area:docs-v20).
+[ØMQ docs](http://api.zero.mq/2-1-1:_start).

perf/no_msg/local_lat.lua

@@ -0,0 +1,50 @@
+-- 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_lat.lua <bind-to> <message-size> <roundtrip-count> [<zmq-module>]")
+    os.exit()
+end
+
+local bind_to = arg[1]
+local message_size = tonumber(arg[2])
+local roundtrip_count = tonumber(arg[3])
+local mod = arg[4] or "zmq"
+if mod == 'disable_ffi' then
+	disable_ffi = true
+	mod = 'zmq'
+end
+
+local zmq = require(mod)
+
+local ctx = zmq.init(1)
+local s = ctx:socket(zmq.REP)
+s:bind(bind_to)
+
+local msg
+
+for i = 1, roundtrip_count do
+	msg = s:recv()
+	assert(#msg == message_size, "Invalid message size")
+	s:send(msg)
+end
+
+s:close()
+ctx:term()

perf/no_msg/local_thr.lua

@@ -0,0 +1,69 @@
+-- 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> [<zmq-module>]")
+    os.exit()
+end
+
+local bind_to = arg[1]
+local message_size = tonumber(arg[2])
+local message_count = tonumber(arg[3])
+local mod = arg[4] or "zmq"
+if mod == 'disable_ffi' then
+	disable_ffi = true
+	mod = 'zmq'
+end
+
+local zmq = require(mod)
+
+local socket = require"socket"
+local time = socket.gettime
+
+local ctx = zmq.init(1)
+local s = ctx:socket(zmq.SUB)
+s:setopt(zmq.SUBSCRIBE, "");
+s:bind(bind_to)
+
+local msg
+msg = s:recv()
+
+local start_time = time()
+
+for i = 1, message_count - 1 do
+	msg = s:recv()
+	assert(#msg == message_size, "Invalid message size")
+end
+
+local end_time = time()
+
+s:close()
+ctx:term()
+
+local elapsed = end_time - start_time
+if elapsed == 0 then elapsed = 1 end
+
+local throughput = message_count / elapsed
+local megabits = throughput * message_size * 8 / 1000000
+
+print(string.format("message size: %i [B]", message_size))
+print(string.format("message count: %i", message_count))
+print(string.format("mean throughput: %i [msg/s]", throughput))
+print(string.format("mean throughput: %.3f [Mb/s]", megabits))

perf/no_msg/remote_lat.lua

@@ -0,0 +1,64 @@
+-- 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 remote_lat.lua <connect-to> <message-size> <roundtrip-count> [<zmq-module>]")
+    os.exit()
+end
+
+local connect_to = arg[1]
+local message_size = tonumber(arg[2])
+local roundtrip_count = tonumber(arg[3])
+local mod = arg[4] or "zmq"
+if mod == 'disable_ffi' then
+	disable_ffi = true
+	mod = 'zmq'
+end
+
+local zmq = require(mod)
+
+local socket = require"socket"
+local time = socket.gettime
+
+local ctx = zmq.init(1)
+local s = ctx:socket(zmq.REQ)
+s:connect(connect_to)
+
+local msg = ("0"):rep(message_size)
+
+local start_time = time()
+
+for i = 1, roundtrip_count do
+	s:send(msg)
+	msg = s:recv()
+	assert(#msg == message_size, "Invalid message size")
+end
+
+local end_time = time()
+
+s:close()
+ctx:term()
+
+local elapsed = end_time - start_time
+local latency = elapsed * 1000000 / roundtrip_count / 2
+
+print(string.format("message size: %i [B]", message_size))
+print(string.format("roundtrip count: %i", roundtrip_count))
+print(string.format("mean latency: %.3f [us]", latency))

perf/no_msg/remote_thr.lua

@@ -0,0 +1,50 @@
+-- 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 remote_thr.lua <connect-to> <message-size> <message-count> [<zmq-module>]")
+    os.exit()
+end
+
+local connect_to = arg[1]
+local message_size = tonumber(arg[2])
+local message_count = tonumber(arg[3])
+local mod = arg[4] or "zmq"
+if mod == 'disable_ffi' then
+	disable_ffi = true
+	mod = 'zmq'
+end
+
+local zmq = require(mod)
+
+local ctx = zmq.init(1)
+local s = ctx:socket(zmq.PUB)
+s:connect(connect_to)
+
+local msg = ("0"):rep(message_size)
+
+for i = 1, message_count do
+	s:send(msg)
+end
+
+--os.execute("sleep " .. 10)
+
+s:close()
+ctx:term()