Add sleep between connect and send.

perf/remote_thr.lua

@@ -33,6 +33,8 @@ local ctx = zmq.init(1)
 local s = ctx:socket(zmq.PUB)
 s:connect(connect_to)
 
+zmq.sleep(1)
+
 local data = ("0"):rep(message_size)
 local msg_data = zmq.zmq_msg_t.init_data(data)
 local msg = zmq.zmq_msg_t.init()
@@ -42,7 +44,6 @@ for i = 1, message_count do
 	assert(s:send_msg(msg))
 end
 
---os.execute("sleep " .. 10)
-
 s:close()
 ctx:term()
+